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diff --git a/doc/developer/northbound/ppr-mpls-basic-test-topology.rst b/doc/developer/northbound/ppr-mpls-basic-test-topology.rst new file mode 100644 index 0000000..cedb795 --- /dev/null +++ b/doc/developer/northbound/ppr-mpls-basic-test-topology.rst @@ -0,0 +1,1991 @@ +Table of Contents +~~~~~~~~~~~~~~~~~ + +- `Software <#software>`__ +- `Topology <#topology>`__ +- `Configuration <#configuration>`__ + + - `CLI <#configuration-cli>`__ + - `YANG <#configuration-yang>`__ + +- `Verification - Control Plane <#verification-cplane>`__ +- `Verification - Forwarding Plane <#verification-fplane>`__ + +Software +~~~~~~~~ + +The FRR PPR implementation for IS-IS is available here: +https://github.com/opensourcerouting/frr/tree/isisd-ppr-sr + +Topology +~~~~~~~~ + +In this topology we have an IS-IS network consisting of 12 routers. CE1 +and CE2 are the consumer edges, connected to R11 and R14, respectively. +Three hosts are connected to the CEs using only static routes. + +Router R11 advertises 6 PPR TLVs: \* **IPv6 prefixes 6000:1::1/128 and +6000:2::1/128:** {R11 - R21 - R22 - R23 - R14} (IPv6 Node Addresses). \* +**MPLS SR Prefix-SIDs 500 and 501:** {R11 - R21 - R22 - R23 - R14} (SR +Prefix-SIDs). \* **MPLS SR Prefix-SIDs 502 and 503:** {R11 - R21 - R31 - +R32 - R41 - R33 - R34 - R23 - R14} (SR Prefix-SIDs) + +PBR rules are configured on R11 and R14 to route the traffic between +Host 1 and Host 3 using the first PPR tunnel, whereas all other traffic +between CE1 and CE2 uses the second PPR tunnel. + +Additional information: \* Addresses in the 4000::/16 range refer to +interface addresses, where the last hextet corresponds to the node ID. +\* Addresses in the 5000::/16 range refer to loopback addresses, where +the last hextet corresponds to the node ID. \* Addresses in the +6000::/16 range refer to PPR-ID addresses. + +:: + + +-------+ +-------+ +-------+ + | | | | | | + | HOST1 | | HOST2 | | HOST3 | + | | | | | | + +---+---+ +---+---+ +---+---+ + | | | + |fd00:10:1::/64 | | + +-----+ +------+ fd00:20:1::/64| + | |fd00:10:2::/64 | + | | | + +-+--+--+ +---+---+ + | | | | + | CE1 | | CE2 | + | | | | + +---+---+ +---+---+ + | | + | | + |fd00:10:0::/64 fd00:20:0::/64| + | | + | | + +---+---+ +-------+ +-------+ +---+---+ + | |4000:101::/64| |4000:102::/64| |4000:103::/64| | + | R11 +-------------+ R12 +-------------+ R13 +-------------+ R14 | + | | | | | | | | + +---+---+ +--+-+--+ +--+-+--+ +---+---+ + | | | | | | + |4000:104::/64 | |4000:106::/64 | |4000:108::/64 | + +---------+ +--------+ +--------+ +--------+ +--------+ +---------+ + | |4000:105::/64 | |4000:107::/64 | |4000:109::/64 + | | | | | | + +--+-+--+ +--+-+--+ +--+-+--+ + | |4000:110::/64| |4000:111::/64| | + | R21 +-------------+ R22 +-------------+ R23 | + | | | | | | + +--+-+--+ +--+-+--+ +--+-+--+ + | | | | | | + | |4000:113::/64 | |4000:115::/64 | |4000:117::/64 + +---------+ +--------+ +--------+ +--------+ +--------+ +---------+ + |4000:112::/64 | |4000:114::/64 | |4000:116::/64 | + | | | | | | + +---+---+ +--+-+--+ +--+-+--+ +---+---+ + | |4000:118::/64| |4000:119::/64| |4000:120::/64| | + | R31 +-------------+ R32 +-------------+ R33 +-------------+ R34 | + | | | | | | | | + +-------+ +---+---+ +---+---+ +-------+ + | | + |4000:121::/64 | + +----------+----------+ + | + | + +---+---+ + | | + | R41 | + | | + +-------+ + +Configuration +~~~~~~~~~~~~~ + +PPR TLV processing needs to be enabled on all IS-IS routers using the +``ppr on`` command. The advertisements of all PPR TLVs is done by router +R11. + +CLI configuration +^^^^^^^^^^^^^^^^^ + +.. code:: yaml + + --- + + routers: + + host1: + links: + eth-ce1: + peer: [ce1, eth-host1] + frr: + zebra: + staticd: + config: | + interface eth-ce1 + ipv6 address fd00:10:1::1/64 + ! + ipv6 route ::/0 fd00:10:1::100 + + host2: + links: + eth-ce1: + peer: [ce1, eth-host2] + frr: + zebra: + staticd: + config: | + interface eth-ce1 + ipv6 address fd00:10:2::1/64 + ! + ipv6 route ::/0 fd00:10:2::100 + + host3: + links: + eth-ce2: + peer: [ce2, eth-host3] + frr: + zebra: + staticd: + config: | + interface eth-ce2 + ipv6 address fd00:20:1::1/64 + ! + ipv6 route ::/0 fd00:20:1::100 + + ce1: + links: + eth-host1: + peer: [host1, eth-ce1] + eth-host2: + peer: [host2, eth-ce1] + eth-rt11: + peer: [rt11, eth-ce1] + frr: + zebra: + staticd: + config: | + interface eth-host1 + ipv6 address fd00:10:1::100/64 + ! + interface eth-host2 + ipv6 address fd00:10:2::100/64 + ! + interface eth-rt11 + ipv6 address fd00:10:0::100/64 + ! + ipv6 route ::/0 fd00:10:0::11 label 16501 + + ce2: + links: + eth-host3: + peer: [host3, eth-ce2] + eth-rt14: + peer: [rt14, eth-ce2] + frr: + zebra: + staticd: + config: | + interface eth-host3 + ipv6 address fd00:20:1::100/64 + ! + interface eth-rt14 + ipv6 address fd00:20:0::100/64 + ! + ipv6 route ::/0 fd00:20:0::14 label 16500 + + rt11: + links: + lo: + mpls: yes + lo-ppr: + eth-ce1: + peer: [ce1, eth-rt11] + mpls: yes + eth-rt12: + peer: [rt12, eth-rt11] + mpls: yes + eth-rt21: + peer: [rt21, eth-rt11] + mpls: yes + shell: | + # GRE tunnel for preferred packets (PPR) + ip -6 tunnel add tun-ppr mode ip6gre remote 6000:2::1 local 6000:1::1 ttl 64 + ip link set dev tun-ppr up + # PBR rules + ip -6 rule add from fd00:10:1::/64 to fd00:20:1::/64 iif eth-ce1 lookup 10000 + ip -6 route add default dev tun-ppr table 10000 + frr: + zebra: + staticd: + isisd: + config: | + interface lo-ppr + ipv6 address 6000:1::1/128 + ! + interface lo + ip address 10.0.0.11/32 + ipv6 address 5000::11/128 + ipv6 router isis 1 + ! + interface eth-ce1 + ipv6 address fd00:10:0::11/64 + ! + interface eth-rt12 + ipv6 address 4000:101::11/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt21 + ipv6 address 4000:104::11/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + ipv6 route fd00:10::/32 fd00:10:0::100 + ! + ppr group PPR_IPV6 + ppr ipv6 6000:1::1/128 prefix 5000::11/128 metric 50 + pde ipv6-node 5000::14/128 + pde ipv6-node 5000::23/128 + pde ipv6-node 5000::22/128 + pde ipv6-node 5000::21/128 + pde ipv6-node 5000::11/128 + ! + ppr ipv6 6000:2::1/128 prefix 5000::14/128 metric 50 + pde ipv6-node 5000::11/128 + pde ipv6-node 5000::21/128 + pde ipv6-node 5000::22/128 + pde ipv6-node 5000::23/128 + pde ipv6-node 5000::14/128 + ! + ! + ppr group PPR_MPLS_1 + ppr mpls 500 prefix 5000::11/128 + pde prefix-sid 14 + pde prefix-sid 23 + pde prefix-sid 22 + pde prefix-sid 21 + pde prefix-sid 11 + ! + ppr mpls 501 prefix 5000::14/128 + pde prefix-sid 11 + pde prefix-sid 21 + pde prefix-sid 22 + pde prefix-sid 23 + pde prefix-sid 14 + ! + ! + ppr group PPR_MPLS_2 + ppr mpls 502 prefix 5000::11/128 + pde prefix-sid 14 + pde prefix-sid 23 + pde prefix-sid 34 + pde prefix-sid 33 + pde prefix-sid 41 + pde prefix-sid 32 + pde prefix-sid 31 + pde prefix-sid 21 + pde prefix-sid 11 + ! + ppr mpls 503 prefix 5000::14/128 + pde prefix-sid 11 + pde prefix-sid 21 + pde prefix-sid 31 + pde prefix-sid 32 + pde prefix-sid 41 + pde prefix-sid 33 + pde prefix-sid 34 + pde prefix-sid 23 + pde prefix-sid 14 + ! + ! + router isis 1 + net 49.0000.0000.0000.0011.00 + is-type level-1 + topology ipv6-unicast + segment-routing on + segment-routing prefix 5000::11/128 index 11 no-php-flag + ppr on + ppr advertise PPR_IPV6 + ppr advertise PPR_MPLS_1 + ppr advertise PPR_MPLS_2 + ! + + rt12: + links: + lo: + mpls: yes + eth-rt11: + peer: [rt11, eth-rt12] + mpls: yes + eth-rt13: + peer: [rt13, eth-rt12] + mpls: yes + eth-rt21: + peer: [rt21, eth-rt12] + mpls: yes + eth-rt22: + peer: [rt22, eth-rt12] + mpls: yes + frr: + zebra: + isisd: + config: | + interface lo + ip address 10.0.0.12/32 + ipv6 address 5000::12/128 + ipv6 router isis 1 + ! + interface eth-rt11 + ipv6 address 4000:101::12/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt13 + ipv6 address 4000:102::12/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt21 + ipv6 address 4000:105::12/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt22 + ipv6 address 4000:106::12/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + router isis 1 + net 49.0000.0000.0000.0012.00 + is-type level-1 + topology ipv6-unicast + segment-routing on + segment-routing prefix 5000::12/128 index 12 no-php-flag + ppr on + ! + + rt13: + links: + lo: + mpls: yes + eth-rt12: + peer: [rt12, eth-rt13] + mpls: yes + eth-rt14: + peer: [rt14, eth-rt13] + mpls: yes + eth-rt22: + peer: [rt22, eth-rt13] + mpls: yes + eth-rt23: + peer: [rt23, eth-rt13] + mpls: yes + frr: + zebra: + isisd: + config: | + interface lo + ip address 10.0.0.13/32 + ipv6 address 5000::13/128 + ipv6 router isis 1 + ! + interface eth-rt12 + ipv6 address 4000:102::13/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt14 + ipv6 address 4000:103::13/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt22 + ipv6 address 4000:107::13/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt23 + ipv6 address 4000:108::13/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + router isis 1 + net 49.0000.0000.0000.0013.00 + is-type level-1 + topology ipv6-unicast + segment-routing on + segment-routing prefix 5000::13/128 index 13 no-php-flag + ppr on + ! + + rt14: + links: + lo: + mpls: yes + lo-ppr: + eth-ce2: + peer: [ce2, eth-rt14] + mpls: yes + eth-rt13: + peer: [rt13, eth-rt14] + mpls: yes + eth-rt23: + peer: [rt23, eth-rt14] + mpls: yes + shell: | + # GRE tunnel for preferred packets (PPR) + ip -6 tunnel add tun-ppr mode ip6gre remote 6000:1::1 local 6000:2::1 ttl 64 + ip link set dev tun-ppr up + # PBR rules + ip -6 rule add from fd00:20:1::/64 to fd00:10:1::/64 iif eth-ce2 lookup 10000 + ip -6 route add default dev tun-ppr table 10000 + frr: + zebra: + staticd: + isisd: + config: | + interface lo-ppr + ipv6 address 6000:2::1/128 + ! + interface lo + ip address 10.0.0.14/32 + ipv6 address 5000::14/128 + ipv6 router isis 1 + ! + interface eth-ce2 + ipv6 address fd00:20:0::14/64 + ! + interface eth-rt13 + ipv6 address 4000:103::14/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt23 + ipv6 address 4000:109::14/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + ipv6 route fd00:20::/32 fd00:20:0::100 + ! + router isis 1 + net 49.0000.0000.0000.0014.00 + is-type level-1 + topology ipv6-unicast + segment-routing on + segment-routing prefix 5000::14/128 index 14 no-php-flag + ppr on + ! + + rt21: + links: + lo: + mpls: yes + eth-rt11: + peer: [rt11, eth-rt21] + mpls: yes + eth-rt12: + peer: [rt12, eth-rt21] + mpls: yes + eth-rt22: + peer: [rt22, eth-rt21] + mpls: yes + eth-rt31: + peer: [rt31, eth-rt21] + mpls: yes + eth-rt32: + peer: [rt32, eth-rt21] + mpls: yes + frr: + zebra: + isisd: + config: | + interface lo + ip address 10.0.0.21/32 + ipv6 address 5000::21/128 + ipv6 router isis 1 + ! + interface eth-rt11 + ipv6 address 4000:104::21/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt12 + ipv6 address 4000:105::21/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt22 + ipv6 address 4000:110::21/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt31 + ipv6 address 4000:112::21/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt32 + ipv6 address 4000:113::21/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + router isis 1 + net 49.0000.0000.0000.0021.00 + is-type level-1 + topology ipv6-unicast + segment-routing on + segment-routing prefix 5000::21/128 index 21 no-php-flag + ppr on + ! + + rt22: + links: + lo: + mpls: yes + eth-rt12: + peer: [rt12, eth-rt22] + mpls: yes + eth-rt13: + peer: [rt13, eth-rt22] + mpls: yes + eth-rt21: + peer: [rt21, eth-rt22] + mpls: yes + eth-rt23: + peer: [rt23, eth-rt22] + mpls: yes + eth-rt32: + peer: [rt32, eth-rt22] + mpls: yes + eth-rt33: + mpls: yes + peer: [rt33, eth-rt22] + frr: + zebra: + isisd: + config: | + interface lo + ip address 10.0.0.22/32 + ipv6 address 5000::22/128 + ipv6 router isis 1 + ! + interface eth-rt12 + ipv6 address 4000:106::22/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt13 + ipv6 address 4000:107::22/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt21 + ipv6 address 4000:110::22/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt23 + ipv6 address 4000:111::22/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt32 + ipv6 address 4000:114::22/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt33 + ipv6 address 4000:115::22/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + router isis 1 + net 49.0000.0000.0000.0022.00 + is-type level-1 + topology ipv6-unicast + segment-routing on + segment-routing prefix 5000::22/128 index 22 no-php-flag + ppr on + ! + + rt23: + links: + lo: + mpls: yes + eth-rt13: + peer: [rt13, eth-rt23] + mpls: yes + eth-rt14: + peer: [rt14, eth-rt23] + mpls: yes + eth-rt22: + peer: [rt22, eth-rt23] + mpls: yes + eth-rt33: + peer: [rt33, eth-rt23] + mpls: yes + eth-rt34: + peer: [rt34, eth-rt23] + mpls: yes + frr: + zebra: + isisd: + config: | + interface lo + ip address 10.0.0.23/32 + ipv6 address 5000::23/128 + ipv6 router isis 1 + ! + interface eth-rt13 + ipv6 address 4000:108::23/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt14 + ipv6 address 4000:109::23/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt22 + ipv6 address 4000:111::23/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt33 + ipv6 address 4000:116::23/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt34 + ipv6 address 4000:117::23/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + router isis 1 + net 49.0000.0000.0000.0023.00 + is-type level-1 + topology ipv6-unicast + segment-routing on + segment-routing global-block 20000 27999 + segment-routing prefix 5000::23/128 index 23 no-php-flag + ppr on + ! + + rt31: + links: + lo: + mpls: yes + eth-rt21: + peer: [rt21, eth-rt31] + mpls: yes + eth-rt32: + peer: [rt32, eth-rt31] + mpls: yes + frr: + zebra: + isisd: + config: | + interface lo + ip address 10.0.0.31/32 + ipv6 address 5000::31/128 + ipv6 router isis 1 + ! + interface eth-rt21 + ipv6 address 4000:112::31/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt32 + ipv6 address 4000:118::31/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + router isis 1 + net 49.0000.0000.0000.0031.00 + is-type level-1 + topology ipv6-unicast + segment-routing on + segment-routing prefix 5000::31/128 index 31 no-php-flag + ppr on + ! + + rt32: + links: + lo: + mpls: yes + eth-rt21: + peer: [rt21, eth-rt32] + mpls: yes + eth-rt22: + peer: [rt22, eth-rt32] + mpls: yes + eth-rt31: + peer: [rt31, eth-rt32] + mpls: yes + eth-rt33: + peer: [rt33, eth-rt32] + mpls: yes + eth-sw1: + peer: [sw1, eth-rt32] + mpls: yes + frr: + zebra: + isisd: + config: | + interface lo + ip address 10.0.0.32/32 + ipv6 address 5000::32/128 + ipv6 router isis 1 + ! + interface eth-rt21 + ipv6 address 4000:113::32/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt22 + ipv6 address 4000:114::32/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt31 + ipv6 address 4000:118::32/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt33 + ipv6 address 4000:119::32/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-sw1 + ipv6 address 4000:121::32/64 + ipv6 router isis 1 + isis hello-multiplier 3 + ! + router isis 1 + net 49.0000.0000.0000.0032.00 + is-type level-1 + topology ipv6-unicast + segment-routing on + segment-routing prefix 5000::32/128 index 32 no-php-flag + ppr on + ! + + rt33: + links: + lo: + mpls: yes + eth-rt22: + peer: [rt22, eth-rt33] + mpls: yes + eth-rt23: + peer: [rt23, eth-rt33] + mpls: yes + eth-rt32: + peer: [rt32, eth-rt33] + mpls: yes + eth-rt34: + peer: [rt34, eth-rt33] + mpls: yes + eth-sw1: + peer: [sw1, eth-rt33] + mpls: yes + frr: + zebra: + isisd: + config: | + interface lo + ip address 10.0.0.33/32 + ipv6 address 5000::33/128 + ipv6 router isis 1 + ! + interface eth-rt22 + ipv6 address 4000:115::33/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt23 + ipv6 address 4000:116::33/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt32 + ipv6 address 4000:119::33/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt34 + ipv6 address 4000:120::33/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-sw1 + ipv6 address 4000:121::33/64 + ipv6 router isis 1 + isis hello-multiplier 3 + ! + router isis 1 + net 49.0000.0000.0000.0033.00 + is-type level-1 + topology ipv6-unicast + segment-routing on + segment-routing prefix 5000::33/128 index 33 no-php-flag + ppr on + ! + + rt34: + links: + lo: + mpls: yes + eth-rt23: + peer: [rt23, eth-rt34] + mpls: yes + eth-rt33: + peer: [rt33, eth-rt34] + mpls: yes + frr: + zebra: + isisd: + config: | + interface lo + ip address 10.0.0.34/32 + ipv6 address 5000::34/128 + ipv6 router isis 1 + ! + interface eth-rt23 + ipv6 address 4000:117::34/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + interface eth-rt33 + ipv6 address 4000:120::34/64 + ipv6 router isis 1 + isis network point-to-point + isis hello-multiplier 3 + ! + router isis 1 + net 49.0000.0000.0000.0034.00 + is-type level-1 + topology ipv6-unicast + segment-routing on + segment-routing prefix 5000::34/128 index 34 no-php-flag + ppr on + ! + + rt41: + links: + lo: + mpls: yes + eth-sw1: + peer: [sw1, eth-rt41] + mpls: yes + frr: + zebra: + isisd: + config: | + interface lo + ip address 10.0.0.41/32 + ipv6 address 5000::41/128 + ipv6 router isis 1 + ! + interface eth-sw1 + ipv6 address 4000:121::41/64 + ipv6 router isis 1 + isis hello-multiplier 3 + ! + router isis 1 + net 49.0000.0000.0000.0041.00 + is-type level-1 + topology ipv6-unicast + segment-routing on + segment-routing prefix 5000::41/128 index 41 no-php-flag + ppr on + ! + + switches: + sw1: + links: + eth-rt32: + peer: [rt32, eth-sw1] + eth-rt33: + peer: [rt33, eth-sw1] + eth-rt41: + peer: [rt41, eth-sw1] + + frr: + #valgrind: yes + base-config: | + hostname %(node) + password 1 + log file %(logdir)/%(node).log + log commands + ! + debug zebra rib + debug isis sr-events + debug isis ppr + debug isis events + debug isis route-events + debug isis spf-events + debug isis lsp-gen + ! + +.. + + NOTE: it’s of fundamental importance to enable MPLS processing on the + loopback interfaces, otherwise the tail-end routers of the PPR-MPLS + tunnels will drop the labeled packets they receive. + +YANG +^^^^ + +PPR can also be configured using NETCONF, RESTCONF and gRPC based on the +following YANG models: \* +`frr-ppr.yang <https://github.com/opensourcerouting/frr/blob/isisd-ppr/yang/frr-ppr.yang>`__ +\* +`frr-isisd.yang <https://github.com/opensourcerouting/frr/blob/isisd-ppr/yang/frr-isisd.yang>`__ + +As an example, here’s R11 configuration in the XML format: + +.. code:: xml + + <lib xmlns="http://frrouting.org/yang/interface"> + <interface> + <name>lo-ppr</name> + <vrf>default</vrf> + </interface> + <interface> + <name>lo</name> + <vrf>default</vrf> + <isis xmlns="http://frrouting.org/yang/isisd"> + <area-tag>1</area-tag> + <ipv6-routing>true</ipv6-routing> + </isis> + </interface> + <interface> + <name>eth-ce1</name> + <vrf>default</vrf> + </interface> + <interface> + <name>eth-rt12</name> + <vrf>default</vrf> + <isis xmlns="http://frrouting.org/yang/isisd"> + <area-tag>1</area-tag> + <ipv6-routing>true</ipv6-routing> + <hello> + <multiplier> + <level-1>3</level-1> + <level-2>3</level-2> + </multiplier> + </hello> + <network-type>point-to-point</network-type> + </isis> + </interface> + <interface> + <name>eth-rt21</name> + <vrf>default</vrf> + <isis xmlns="http://frrouting.org/yang/isisd"> + <area-tag>1</area-tag> + <ipv6-routing>true</ipv6-routing> + <hello> + <multiplier> + <level-1>3</level-1> + <level-2>3</level-2> + </multiplier> + </hello> + <network-type>point-to-point</network-type> + </isis> + </interface> + </lib> + <ppr xmlns="http://frrouting.org/yang/ppr"> + <group> + <name>PPR_IPV6</name> + <ipv6> + <ppr-id>6000:1::1/128</ppr-id> + <ppr-prefix>5000::11/128</ppr-prefix> + <ppr-pde> + <pde-id>5000::14/128</pde-id> + <pde-id-type>ipv6-node</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>5000::23/128</pde-id> + <pde-id-type>ipv6-node</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>5000::22/128</pde-id> + <pde-id-type>ipv6-node</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>5000::21/128</pde-id> + <pde-id-type>ipv6-node</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>5000::11/128</pde-id> + <pde-id-type>ipv6-node</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <attributes> + <ppr-metric>50</ppr-metric> + </attributes> + </ipv6> + <ipv6> + <ppr-id>6000:2::1/128</ppr-id> + <ppr-prefix>5000::14/128</ppr-prefix> + <ppr-pde> + <pde-id>5000::11/128</pde-id> + <pde-id-type>ipv6-node</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>5000::21/128</pde-id> + <pde-id-type>ipv6-node</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>5000::22/128</pde-id> + <pde-id-type>ipv6-node</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>5000::23/128</pde-id> + <pde-id-type>ipv6-node</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>5000::14/128</pde-id> + <pde-id-type>ipv6-node</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <attributes> + <ppr-metric>50</ppr-metric> + </attributes> + </ipv6> + </group> + <group> + <name>PPR_MPLS_1</name> + <mpls> + <ppr-id>500</ppr-id> + <ppr-prefix>5000::11/128</ppr-prefix> + <ppr-pde> + <pde-id>14</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>23</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>22</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>21</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>11</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + </mpls> + <mpls> + <ppr-id>501</ppr-id> + <ppr-prefix>5000::14/128</ppr-prefix> + <ppr-pde> + <pde-id>11</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>21</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>22</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>23</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>14</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + </mpls> + </group> + <group> + <name>PPR_MPLS_2</name> + <mpls> + <ppr-id>502</ppr-id> + <ppr-prefix>5000::11/128</ppr-prefix> + <ppr-pde> + <pde-id>14</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>23</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>34</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>33</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>41</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>32</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>31</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>21</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>11</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + </mpls> + <mpls> + <ppr-id>503</ppr-id> + <ppr-prefix>5000::14/128</ppr-prefix> + <ppr-pde> + <pde-id>11</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>21</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>31</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>32</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>41</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>33</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>34</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>23</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + <ppr-pde> + <pde-id>14</pde-id> + <pde-id-type>prefix-sid</pde-id-type> + <pde-type>topological</pde-type> + </ppr-pde> + </mpls> + </group> + </ppr> + <isis xmlns="http://frrouting.org/yang/isisd"> + <instance> + <area-tag>1</area-tag> + <area-address>49.0000.0000.0000.0011.00</area-address> + <multi-topology> + <ipv6-unicast> + </ipv6-unicast> + </multi-topology> + <segment-routing> + <enabled>true</enabled> + <prefix-sid-map> + <prefix-sid> + <prefix>5000::11/128</prefix> + <sid-value>11</sid-value> + <last-hop-behavior>no-php</last-hop-behavior> + </prefix-sid> + </prefix-sid-map> + </segment-routing> + <ppr> + <enable>true</enable> + <ppr-advertise> + <name>PPR_IPV6</name> + </ppr-advertise> + <ppr-advertise> + <name>PPR_MPLS_1</name> + </ppr-advertise> + <ppr-advertise> + <name>PPR_MPLS_2</name> + </ppr-advertise> + </ppr> + </instance> + </isis> + +Verification - Control Plane +~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Verify that R11 has flooded the PPR TLVs correctly to all IS-IS routers: + +:: + + # show isis database detail 0000.0000.0011 + Area 1: + IS-IS Level-1 link-state database: + LSP ID PduLen SeqNumber Chksum Holdtime ATT/P/OL + debian.00-00 * 980 0x00000003 0x3b69 894 0/0/0 + Protocols Supported: IPv4, IPv6 + Area Address: 49.0000 + MT Router Info: ipv4-unicast + MT Router Info: ipv6-unicast + Hostname: debian + TE Router ID: 10.0.0.11 + Router Capability: 10.0.0.11 , D:0, S:0 + Segment Routing: I:1 V:1, SRGB Base: 16000 Range: 8000 + Algorithm: 0: SPF 0: Strict SPF + MT Reachability: 0000.0000.0012.00 (Metric: 10) ipv6-unicast + Adjacency-SID: 16, Weight: 0, Flags: F:1 B:0, V:1, L:1, S:0, P:0 + MT Reachability: 0000.0000.0021.00 (Metric: 10) ipv6-unicast + Adjacency-SID: 17, Weight: 0, Flags: F:1 B:0, V:1, L:1, S:0, P:0 + IPv4 Interface Address: 10.0.0.11 + Extended IP Reachability: 10.0.0.11/32 (Metric: 10) + MT IPv6 Reachability: 5000::11/128 (Metric: 10) ipv6-unicast + Subtlvs: + SR Prefix-SID Index: 11, Algorithm: 0, Flags: NO-PHP + MT IPv6 Reachability: 4000:101::/64 (Metric: 10) ipv6-unicast + MT IPv6 Reachability: 4000:104::/64 (Metric: 10) ipv6-unicast + PPR: Fragment ID: 0, MT-ID: ipv4-unicast, Algorithm: SPF, F:0 D:0 A:0 U:1 + PPR Prefix: 5000::11/128 + ID: 6000:1::1/128 (Native IPv6) + PDE: 5000::14/128 (IPv6 Node Address), L:0 N:0 E:0 + PDE: 5000::23/128 (IPv6 Node Address), L:0 N:0 E:0 + PDE: 5000::22/128 (IPv6 Node Address), L:0 N:0 E:0 + PDE: 5000::21/128 (IPv6 Node Address), L:0 N:0 E:0 + PDE: 5000::11/128 (IPv6 Node Address), L:0 N:1 E:0 + Metric: 50 + PPR: Fragment ID: 0, MT-ID: ipv4-unicast, Algorithm: SPF, F:0 D:0 A:0 U:1 + PPR Prefix: 5000::14/128 + ID: 6000:2::1/128 (Native IPv6) + PDE: 5000::11/128 (IPv6 Node Address), L:0 N:0 E:0 + PDE: 5000::21/128 (IPv6 Node Address), L:0 N:0 E:0 + PDE: 5000::22/128 (IPv6 Node Address), L:0 N:0 E:0 + PDE: 5000::23/128 (IPv6 Node Address), L:0 N:0 E:0 + PDE: 5000::14/128 (IPv6 Node Address), L:0 N:1 E:0 + Metric: 50 + PPR: Fragment ID: 0, MT-ID: ipv4-unicast, Algorithm: SPF, F:0 D:0 A:0 U:1 + PPR Prefix: 5000::11/128 + ID: 500 (MPLS) + PDE: 14 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 23 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 22 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 21 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 11 (SR-MPLS Prefix SID), L:0 N:1 E:0 + PPR: Fragment ID: 0, MT-ID: ipv4-unicast, Algorithm: SPF, F:0 D:0 A:0 U:1 + PPR Prefix: 5000::14/128 + ID: 501 (MPLS) + PDE: 11 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 21 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 22 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 23 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 14 (SR-MPLS Prefix SID), L:0 N:1 E:0 + PPR: Fragment ID: 0, MT-ID: ipv4-unicast, Algorithm: SPF, F:0 D:0 A:0 U:1 + PPR Prefix: 5000::11/128 + ID: 502 (MPLS) + PDE: 14 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 23 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 34 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 33 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 41 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 32 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 31 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 21 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 11 (SR-MPLS Prefix SID), L:0 N:1 E:0 + PPR: Fragment ID: 0, MT-ID: ipv4-unicast, Algorithm: SPF, F:0 D:0 A:0 U:1 + PPR Prefix: 5000::14/128 + ID: 503 (MPLS) + PDE: 11 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 21 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 31 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 32 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 41 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 33 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 34 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 23 (SR-MPLS Prefix SID), L:0 N:0 E:0 + PDE: 14 (SR-MPLS Prefix SID), L:0 N:1 E:0 + +Using the ``show isis ppr`` command, verify that all routers installed +the PPR-IDs for the paths they are part of. Example: + +Router RT11 +^^^^^^^^^^^ + +:: + + # show isis ppr + Area Level ID Prefix Metric Position Status Uptime + -------------------------------------------------------------------------------------------- + 1 L1 500 (MPLS) 5000::11/128 0 Tail-End Up 00:00:42 + 1 L1 501 (MPLS) 5000::14/128 0 Head-End Up 00:00:41 + 1 L1 502 (MPLS) 5000::11/128 0 Tail-End Up 00:00:42 + 1 L1 503 (MPLS) 5000::14/128 0 Head-End Up 00:00:41 + 1 L1 6000:1::1/128 (Native IPv6) 5000::11/128 50 Tail-End - - + 1 L1 6000:2::1/128 (Native IPv6) 5000::14/128 50 Head-End Up 00:00:41 + + # show mpls table + Inbound Label Type Nexthop Outbound Label + ----------------------------------------------------------------------- + 16 SR (IS-IS) fe80::2065:5ff:fe72:d6c5 implicit-null + 17 SR (IS-IS) fe80::345f:dfff:fea4:913d implicit-null + 16011 SR (IS-IS) lo - + 16012 SR (IS-IS) fe80::2065:5ff:fe72:d6c5 16012 + 16013 SR (IS-IS) fe80::2065:5ff:fe72:d6c5 16013 + 16014 SR (IS-IS) fe80::2065:5ff:fe72:d6c5 16014 + 16021 SR (IS-IS) fe80::345f:dfff:fea4:913d 16021 + 16022 SR (IS-IS) fe80::345f:dfff:fea4:913d 16022 + 16022 SR (IS-IS) fe80::2065:5ff:fe72:d6c5 16022 + 16023 SR (IS-IS) fe80::345f:dfff:fea4:913d 16023 + 16023 SR (IS-IS) fe80::2065:5ff:fe72:d6c5 16023 + 16031 SR (IS-IS) fe80::345f:dfff:fea4:913d 16031 + 16032 SR (IS-IS) fe80::345f:dfff:fea4:913d 16032 + 16033 SR (IS-IS) fe80::345f:dfff:fea4:913d 16033 + 16033 SR (IS-IS) fe80::2065:5ff:fe72:d6c5 16033 + 16034 SR (IS-IS) fe80::345f:dfff:fea4:913d 16034 + 16034 SR (IS-IS) fe80::2065:5ff:fe72:d6c5 16034 + 16041 SR (IS-IS) fe80::345f:dfff:fea4:913d 16041 + 16500 PPR (IS-IS) lo - + 16501 PPR (IS-IS) fe80::345f:dfff:fea4:913d 16501 + 16502 PPR (IS-IS) lo - + 16503 PPR (IS-IS) fe80::345f:dfff:fea4:913d 16503 + + # show ipv6 route 6000::/16 longer-prefixes isis + Codes: K - kernel route, C - connected, S - static, R - RIPng, + O - OSPFv3, I - IS-IS, B - BGP, N - NHRP, T - Table, + v - VNC, V - VNC-Direct, A - Babel, D - SHARP, F - PBR, + f - OpenFabric, + > - selected route, * - FIB route, q - queued route, r - rejected route + + I>* 6000:2::1/128 [115/50] via fe80::345f:dfff:fea4:913d, eth-rt21, 00:00:41 + +Router RT12 +^^^^^^^^^^^ + +:: + + # show isis ppr + Area Level ID Prefix Metric Position Status Uptime + ------------------------------------------------------------------------------------------ + 1 L1 500 (MPLS) 5000::11/128 0 Off-Path - - + 1 L1 501 (MPLS) 5000::14/128 0 Off-Path - - + 1 L1 502 (MPLS) 5000::11/128 0 Off-Path - - + 1 L1 503 (MPLS) 5000::14/128 0 Off-Path - - + 1 L1 6000:1::1/128 (Native IPv6) 5000::11/128 50 Off-Path - - + 1 L1 6000:2::1/128 (Native IPv6) 5000::14/128 50 Off-Path - - + + # show mpls table + Inbound Label Type Nexthop Outbound Label + ---------------------------------------------------------------------- + 16 SR (IS-IS) fe80::60ad:96ff:fe3f:9989 implicit-null + 17 SR (IS-IS) fe80::9cd2:25ff:febc:84c4 implicit-null + 18 SR (IS-IS) fe80::941c:12ff:fe55:8a12 implicit-null + 19 SR (IS-IS) fe80::78a7:59ff:fedc:48b8 implicit-null + 16011 SR (IS-IS) fe80::60ad:96ff:fe3f:9989 16011 + 16012 SR (IS-IS) lo - + 16013 SR (IS-IS) fe80::9cd2:25ff:febc:84c4 16013 + 16014 SR (IS-IS) fe80::9cd2:25ff:febc:84c4 16014 + 16021 SR (IS-IS) fe80::941c:12ff:fe55:8a12 16021 + 16022 SR (IS-IS) fe80::78a7:59ff:fedc:48b8 16022 + 16023 SR (IS-IS) fe80::78a7:59ff:fedc:48b8 16023 + 16023 SR (IS-IS) fe80::9cd2:25ff:febc:84c4 16023 + 16031 SR (IS-IS) fe80::941c:12ff:fe55:8a12 16031 + 16032 SR (IS-IS) fe80::78a7:59ff:fedc:48b8 16032 + 16032 SR (IS-IS) fe80::941c:12ff:fe55:8a12 16032 + 16033 SR (IS-IS) fe80::78a7:59ff:fedc:48b8 16033 + 16034 SR (IS-IS) fe80::78a7:59ff:fedc:48b8 16034 + 16034 SR (IS-IS) fe80::9cd2:25ff:febc:84c4 16034 + 16041 SR (IS-IS) fe80::78a7:59ff:fedc:48b8 16041 + 16041 SR (IS-IS) fe80::941c:12ff:fe55:8a12 16041 + + # show ipv6 route 6000::/16 longer-prefixes isis + +Router RT13 +^^^^^^^^^^^ + +:: + + # show isis ppr + Area Level ID Prefix Metric Position Status Uptime + ------------------------------------------------------------------------------------------ + 1 L1 500 (MPLS) 5000::11/128 0 Off-Path - - + 1 L1 501 (MPLS) 5000::14/128 0 Off-Path - - + 1 L1 502 (MPLS) 5000::11/128 0 Off-Path - - + 1 L1 503 (MPLS) 5000::14/128 0 Off-Path - - + 1 L1 6000:1::1/128 (Native IPv6) 5000::11/128 50 Off-Path - - + 1 L1 6000:2::1/128 (Native IPv6) 5000::14/128 50 Off-Path - - + + # show mpls table + Inbound Label Type Nexthop Outbound Label + ---------------------------------------------------------------------- + 16 SR (IS-IS) fe80::1c70:63ff:fe40:3a35 implicit-null + 17 SR (IS-IS) fe80::20:56ff:feff:b218 implicit-null + 18 SR (IS-IS) fe80::44c5:3fff:fe1e:f34a implicit-null + 19 SR (IS-IS) fe80::387d:34ff:fe02:87c3 implicit-null + 16011 SR (IS-IS) fe80::20:56ff:feff:b218 16011 + 16012 SR (IS-IS) fe80::20:56ff:feff:b218 16012 + 16013 SR (IS-IS) lo - + 16014 SR (IS-IS) fe80::1c70:63ff:fe40:3a35 16014 + 16021 SR (IS-IS) fe80::387d:34ff:fe02:87c3 16021 + 16021 SR (IS-IS) fe80::20:56ff:feff:b218 16021 + 16022 SR (IS-IS) fe80::387d:34ff:fe02:87c3 16022 + 16023 SR (IS-IS) fe80::44c5:3fff:fe1e:f34a 20023 + 16031 SR (IS-IS) fe80::387d:34ff:fe02:87c3 16031 + 16031 SR (IS-IS) fe80::20:56ff:feff:b218 16031 + 16032 SR (IS-IS) fe80::387d:34ff:fe02:87c3 16032 + 16033 SR (IS-IS) fe80::44c5:3fff:fe1e:f34a 20033 + 16033 SR (IS-IS) fe80::387d:34ff:fe02:87c3 16033 + 16034 SR (IS-IS) fe80::44c5:3fff:fe1e:f34a 20034 + 16041 SR (IS-IS) fe80::44c5:3fff:fe1e:f34a 20041 + 16041 SR (IS-IS) fe80::387d:34ff:fe02:87c3 16041 + + # show ipv6 route 6000::/16 longer-prefixes isis + +Router RT14 +^^^^^^^^^^^ + +:: + + # show isis ppr + Area Level ID Prefix Metric Position Status Uptime + -------------------------------------------------------------------------------------------- + 1 L1 500 (MPLS) 5000::11/128 0 Head-End Up 00:00:46 + 1 L1 501 (MPLS) 5000::14/128 0 Tail-End Up 00:00:47 + 1 L1 502 (MPLS) 5000::11/128 0 Head-End Up 00:00:46 + 1 L1 503 (MPLS) 5000::14/128 0 Tail-End Up 00:00:47 + 1 L1 6000:1::1/128 (Native IPv6) 5000::11/128 50 Head-End Up 00:00:46 + 1 L1 6000:2::1/128 (Native IPv6) 5000::14/128 50 Tail-End - - + + # show mpls table + Inbound Label Type Nexthop Outbound Label + ----------------------------------------------------------------------- + 16 SR (IS-IS) fe80::bcb5:99ff:fed7:22ad implicit-null + 17 SR (IS-IS) fe80::4c7b:a1ff:fe66:6ca7 implicit-null + 16011 SR (IS-IS) fe80::bcb5:99ff:fed7:22ad 16011 + 16012 SR (IS-IS) fe80::bcb5:99ff:fed7:22ad 16012 + 16013 SR (IS-IS) fe80::bcb5:99ff:fed7:22ad 16013 + 16014 SR (IS-IS) lo - + 16021 SR (IS-IS) fe80::4c7b:a1ff:fe66:6ca7 20021 + 16021 SR (IS-IS) fe80::bcb5:99ff:fed7:22ad 16021 + 16022 SR (IS-IS) fe80::4c7b:a1ff:fe66:6ca7 20022 + 16022 SR (IS-IS) fe80::bcb5:99ff:fed7:22ad 16022 + 16023 SR (IS-IS) fe80::4c7b:a1ff:fe66:6ca7 20023 + 16031 SR (IS-IS) fe80::4c7b:a1ff:fe66:6ca7 20031 + 16031 SR (IS-IS) fe80::bcb5:99ff:fed7:22ad 16031 + 16032 SR (IS-IS) fe80::4c7b:a1ff:fe66:6ca7 20032 + 16032 SR (IS-IS) fe80::bcb5:99ff:fed7:22ad 16032 + 16033 SR (IS-IS) fe80::4c7b:a1ff:fe66:6ca7 20033 + 16034 SR (IS-IS) fe80::4c7b:a1ff:fe66:6ca7 20034 + 16041 SR (IS-IS) fe80::4c7b:a1ff:fe66:6ca7 20041 + 16500 PPR (IS-IS) fe80::4c7b:a1ff:fe66:6ca7 20500 + 16501 PPR (IS-IS) lo - + 16502 PPR (IS-IS) fe80::4c7b:a1ff:fe66:6ca7 20502 + 16503 PPR (IS-IS) lo - + + # show ipv6 route 6000::/16 longer-prefixes isis + Codes: K - kernel route, C - connected, S - static, R - RIPng, + O - OSPFv3, I - IS-IS, B - BGP, N - NHRP, T - Table, + v - VNC, V - VNC-Direct, A - Babel, D - SHARP, F - PBR, + f - OpenFabric, + > - selected route, * - FIB route, q - queued route, r - rejected route + + I>* 6000:1::1/128 [115/50] via fe80::4c7b:a1ff:fe66:6ca7, eth-rt23, 00:00:02 + +Router RT21 +^^^^^^^^^^^ + +:: + + # show isis ppr + Area Level ID Prefix Metric Position Status Uptime + --------------------------------------------------------------------------------------------- + 1 L1 500 (MPLS) 5000::11/128 0 Mid-Point Up 00:00:49 + 1 L1 501 (MPLS) 5000::14/128 0 Mid-Point Up 00:00:48 + 1 L1 502 (MPLS) 5000::11/128 0 Mid-Point Up 00:00:49 + 1 L1 503 (MPLS) 5000::14/128 0 Mid-Point Up 00:00:48 + 1 L1 6000:1::1/128 (Native IPv6) 5000::11/128 50 Mid-Point Up 00:00:49 + 1 L1 6000:2::1/128 (Native IPv6) 5000::14/128 50 Mid-Point Up 00:00:48 + + # show mpls table + Inbound Label Type Nexthop Outbound Label + ----------------------------------------------------------------------- + 16 SR (IS-IS) fe80::b886:2cff:fe84:a76f implicit-null + 17 SR (IS-IS) fe80::bc7e:bbff:fe7f:ecb0 implicit-null + 18 SR (IS-IS) fe80::e877:a2ff:feb7:4438 implicit-null + 19 SR (IS-IS) fe80::a0c2:82ff:fe39:204c implicit-null + 20 SR (IS-IS) fe80::ac6a:8aff:fe14:4f36 implicit-null + 16011 SR (IS-IS) fe80::e877:a2ff:feb7:4438 16011 + 16012 SR (IS-IS) fe80::a0c2:82ff:fe39:204c 16012 + 16013 SR (IS-IS) fe80::ac6a:8aff:fe14:4f36 16013 + 16013 SR (IS-IS) fe80::a0c2:82ff:fe39:204c 16013 + 16014 SR (IS-IS) fe80::ac6a:8aff:fe14:4f36 16014 + 16014 SR (IS-IS) fe80::a0c2:82ff:fe39:204c 16014 + 16021 SR (IS-IS) lo - + 16022 SR (IS-IS) fe80::ac6a:8aff:fe14:4f36 16022 + 16023 SR (IS-IS) fe80::ac6a:8aff:fe14:4f36 16023 + 16031 SR (IS-IS) fe80::bc7e:bbff:fe7f:ecb0 16031 + 16032 SR (IS-IS) fe80::b886:2cff:fe84:a76f 16032 + 16033 SR (IS-IS) fe80::b886:2cff:fe84:a76f 16033 + 16033 SR (IS-IS) fe80::ac6a:8aff:fe14:4f36 16033 + 16034 SR (IS-IS) fe80::b886:2cff:fe84:a76f 16034 + 16034 SR (IS-IS) fe80::ac6a:8aff:fe14:4f36 16034 + 16041 SR (IS-IS) fe80::b886:2cff:fe84:a76f 16041 + 16500 PPR (IS-IS) fe80::e877:a2ff:feb7:4438 16500 + 16501 PPR (IS-IS) fe80::ac6a:8aff:fe14:4f36 16501 + 16502 PPR (IS-IS) fe80::e877:a2ff:feb7:4438 16502 + 16503 PPR (IS-IS) fe80::bc7e:bbff:fe7f:ecb0 16503 + + # show ipv6 route 6000::/16 longer-prefixes isis + Codes: K - kernel route, C - connected, S - static, R - RIPng, + O - OSPFv3, I - IS-IS, B - BGP, N - NHRP, T - Table, + v - VNC, V - VNC-Direct, A - Babel, D - SHARP, F - PBR, + f - OpenFabric, + > - selected route, * - FIB route, q - queued route, r - rejected route + + I>* 6000:1::1/128 [115/50] via fe80::e877:a2ff:feb7:4438, eth-rt11, 00:00:04 + I>* 6000:2::1/128 [115/50] via fe80::ac6a:8aff:fe14:4f36, eth-rt22, 00:00:04 + +Router RT22 +^^^^^^^^^^^ + +:: + + # show isis ppr + Area Level ID Prefix Metric Position Status Uptime + --------------------------------------------------------------------------------------------- + 1 L1 500 (MPLS) 5000::11/128 0 Mid-Point Up 00:00:50 + 1 L1 501 (MPLS) 5000::14/128 0 Mid-Point Up 00:00:50 + 1 L1 502 (MPLS) 5000::11/128 0 Off-Path - - + 1 L1 503 (MPLS) 5000::14/128 0 Off-Path - - + 1 L1 6000:1::1/128 (Native IPv6) 5000::11/128 50 Mid-Point Up 00:00:50 + 1 L1 6000:2::1/128 (Native IPv6) 5000::14/128 50 Mid-Point Up 00:00:50 + + # show mpls table + Inbound Label Type Nexthop Outbound Label + ----------------------------------------------------------------------- + 16 SR (IS-IS) fe80::3432:84ff:fe9d:2e41 implicit-null + 17 SR (IS-IS) fe80::c436:63ff:feb3:4f5d implicit-null + 18 SR (IS-IS) fe80::56:41ff:fe53:a6b2 implicit-null + 19 SR (IS-IS) fe80::b423:eaff:fea1:8247 implicit-null + 20 SR (IS-IS) fe80::9c2f:11ff:fe0a:ab34 implicit-null + 21 SR (IS-IS) fe80::7402:b8ff:fee9:682e implicit-null + 16011 SR (IS-IS) fe80::b423:eaff:fea1:8247 16011 + 16011 SR (IS-IS) fe80::3432:84ff:fe9d:2e41 16011 + 16012 SR (IS-IS) fe80::3432:84ff:fe9d:2e41 16012 + 16013 SR (IS-IS) fe80::c436:63ff:feb3:4f5d 16013 + 16014 SR (IS-IS) fe80::56:41ff:fe53:a6b2 20014 + 16014 SR (IS-IS) fe80::c436:63ff:feb3:4f5d 16014 + 16021 SR (IS-IS) fe80::b423:eaff:fea1:8247 16021 + 16022 SR (IS-IS) lo - + 16023 SR (IS-IS) fe80::56:41ff:fe53:a6b2 20023 + 16031 SR (IS-IS) fe80::9c2f:11ff:fe0a:ab34 16031 + 16031 SR (IS-IS) fe80::b423:eaff:fea1:8247 16031 + 16032 SR (IS-IS) fe80::9c2f:11ff:fe0a:ab34 16032 + 16033 SR (IS-IS) fe80::7402:b8ff:fee9:682e 16033 + 16034 SR (IS-IS) fe80::7402:b8ff:fee9:682e 16034 + 16034 SR (IS-IS) fe80::56:41ff:fe53:a6b2 20034 + 16041 SR (IS-IS) fe80::7402:b8ff:fee9:682e 16041 + 16041 SR (IS-IS) fe80::9c2f:11ff:fe0a:ab34 16041 + 16500 PPR (IS-IS) fe80::b423:eaff:fea1:8247 16500 + 16501 PPR (IS-IS) fe80::56:41ff:fe53:a6b2 20501 + + # show ipv6 route 6000::/16 longer-prefixes isis + Codes: K - kernel route, C - connected, S - static, R - RIPng, + O - OSPFv3, I - IS-IS, B - BGP, N - NHRP, T - Table, + v - VNC, V - VNC-Direct, A - Babel, D - SHARP, F - PBR, + f - OpenFabric, + > - selected route, * - FIB route, q - queued route, r - rejected route + + I>* 6000:1::1/128 [115/50] via fe80::b423:eaff:fea1:8247, eth-rt21, 00:00:06 + I>* 6000:2::1/128 [115/50] via fe80::56:41ff:fe53:a6b2, eth-rt23, 00:00:06 + +Router RT23 +^^^^^^^^^^^ + +:: + + # show isis ppr + Area Level ID Prefix Metric Position Status Uptime + --------------------------------------------------------------------------------------------- + 1 L1 500 (MPLS) 5000::11/128 0 Mid-Point Up 00:00:52 + 1 L1 501 (MPLS) 5000::14/128 0 Mid-Point Up 00:00:52 + 1 L1 502 (MPLS) 5000::11/128 0 Mid-Point Up 00:00:52 + 1 L1 503 (MPLS) 5000::14/128 0 Mid-Point Up 00:00:52 + 1 L1 6000:1::1/128 (Native IPv6) 5000::11/128 50 Mid-Point Up 00:00:52 + 1 L1 6000:2::1/128 (Native IPv6) 5000::14/128 50 Mid-Point Up 00:00:52 + + # show mpls table + Inbound Label Type Nexthop Outbound Label + ----------------------------------------------------------------------- + 16 SR (IS-IS) fe80::c4ca:41ff:fe2d:de8c implicit-null + 17 SR (IS-IS) fe80::a02b:1eff:fed6:97e4 implicit-null + 18 SR (IS-IS) fe80::5c15:8aff:feea:1d07 implicit-null + 19 SR (IS-IS) fe80::a42f:50ff:fe9c:af9f implicit-null + 20 SR (IS-IS) fe80::d0dc:6eff:fe71:9f19 implicit-null + 20011 SR (IS-IS) fe80::5c15:8aff:feea:1d07 16011 + 20011 SR (IS-IS) fe80::a02b:1eff:fed6:97e4 16011 + 20012 SR (IS-IS) fe80::5c15:8aff:feea:1d07 16012 + 20012 SR (IS-IS) fe80::a02b:1eff:fed6:97e4 16012 + 20013 SR (IS-IS) fe80::a02b:1eff:fed6:97e4 16013 + 20014 SR (IS-IS) fe80::c4ca:41ff:fe2d:de8c 16014 + 20021 SR (IS-IS) fe80::5c15:8aff:feea:1d07 16021 + 20022 SR (IS-IS) fe80::5c15:8aff:feea:1d07 16022 + 20023 SR (IS-IS) lo - + 20031 SR (IS-IS) fe80::a42f:50ff:fe9c:af9f 16031 + 20031 SR (IS-IS) fe80::5c15:8aff:feea:1d07 16031 + 20032 SR (IS-IS) fe80::a42f:50ff:fe9c:af9f 16032 + 20032 SR (IS-IS) fe80::5c15:8aff:feea:1d07 16032 + 20033 SR (IS-IS) fe80::a42f:50ff:fe9c:af9f 16033 + 20034 SR (IS-IS) fe80::d0dc:6eff:fe71:9f19 16034 + 20041 SR (IS-IS) fe80::a42f:50ff:fe9c:af9f 16041 + 20500 PPR (IS-IS) fe80::5c15:8aff:feea:1d07 16500 + 20501 PPR (IS-IS) fe80::c4ca:41ff:fe2d:de8c 16501 + 20502 PPR (IS-IS) fe80::d0dc:6eff:fe71:9f19 16502 + 20503 PPR (IS-IS) fe80::c4ca:41ff:fe2d:de8c 16503 + + # show ipv6 route 6000::/16 longer-prefixes isis + Codes: K - kernel route, C - connected, S - static, R - RIPng, + O - OSPFv3, I - IS-IS, B - BGP, N - NHRP, T - Table, + v - VNC, V - VNC-Direct, A - Babel, D - SHARP, F - PBR, + f - OpenFabric, + > - selected route, * - FIB route, q - queued route, r - rejected route + + I>* 6000:1::1/128 [115/50] via fe80::5c15:8aff:feea:1d07, eth-rt22, 00:00:07 + I>* 6000:2::1/128 [115/50] via fe80::c4ca:41ff:fe2d:de8c, eth-rt14, 00:00:07 + +Router RT31 +^^^^^^^^^^^ + +:: + + # show isis ppr + Area Level ID Prefix Metric Position Status Uptime + --------------------------------------------------------------------------------------------- + 1 L1 500 (MPLS) 5000::11/128 0 Off-Path - - + 1 L1 501 (MPLS) 5000::14/128 0 Off-Path - - + 1 L1 502 (MPLS) 5000::11/128 0 Mid-Point Up 00:00:54 + 1 L1 503 (MPLS) 5000::14/128 0 Mid-Point Up 00:00:54 + 1 L1 6000:1::1/128 (Native IPv6) 5000::11/128 50 Off-Path - - + 1 L1 6000:2::1/128 (Native IPv6) 5000::14/128 50 Off-Path - - + + # show mpls table + Inbound Label Type Nexthop Outbound Label + ----------------------------------------------------------------------- + 16 SR (IS-IS) fe80::a067:c6ff:fe2c:3385 implicit-null + 17 SR (IS-IS) fe80::f46d:c8ff:fe8a:a341 implicit-null + 16011 SR (IS-IS) fe80::a067:c6ff:fe2c:3385 16011 + 16012 SR (IS-IS) fe80::a067:c6ff:fe2c:3385 16012 + 16013 SR (IS-IS) fe80::f46d:c8ff:fe8a:a341 16013 + 16013 SR (IS-IS) fe80::a067:c6ff:fe2c:3385 16013 + 16014 SR (IS-IS) fe80::f46d:c8ff:fe8a:a341 16014 + 16014 SR (IS-IS) fe80::a067:c6ff:fe2c:3385 16014 + 16021 SR (IS-IS) fe80::a067:c6ff:fe2c:3385 16021 + 16022 SR (IS-IS) fe80::f46d:c8ff:fe8a:a341 16022 + 16022 SR (IS-IS) fe80::a067:c6ff:fe2c:3385 16022 + 16023 SR (IS-IS) fe80::f46d:c8ff:fe8a:a341 16023 + 16023 SR (IS-IS) fe80::a067:c6ff:fe2c:3385 16023 + 16031 SR (IS-IS) lo - + 16032 SR (IS-IS) fe80::f46d:c8ff:fe8a:a341 16032 + 16033 SR (IS-IS) fe80::f46d:c8ff:fe8a:a341 16033 + 16034 SR (IS-IS) fe80::f46d:c8ff:fe8a:a341 16034 + 16041 SR (IS-IS) fe80::f46d:c8ff:fe8a:a341 16041 + 16502 PPR (IS-IS) fe80::a067:c6ff:fe2c:3385 16502 + 16503 PPR (IS-IS) fe80::f46d:c8ff:fe8a:a341 16503 + + # show ipv6 route 6000::/16 longer-prefixes isis + +Router RT32 +^^^^^^^^^^^ + +:: + + # show isis ppr + Area Level ID Prefix Metric Position Status Uptime + --------------------------------------------------------------------------------------------- + 1 L1 500 (MPLS) 5000::11/128 0 Off-Path - - + 1 L1 501 (MPLS) 5000::14/128 0 Off-Path - - + 1 L1 502 (MPLS) 5000::11/128 0 Mid-Point Up 00:00:55 + 1 L1 503 (MPLS) 5000::14/128 0 Mid-Point Up 00:00:55 + 1 L1 6000:1::1/128 (Native IPv6) 5000::11/128 50 Off-Path - - + 1 L1 6000:2::1/128 (Native IPv6) 5000::14/128 50 Off-Path - - + + # show mpls table + Inbound Label Type Nexthop Outbound Label + ----------------------------------------------------------------------- + 16 SR (IS-IS) fe80::881f:d3ff:febd:9e8c implicit-null + 17 SR (IS-IS) fe80::1c7e:c3ff:fe5e:7a54 implicit-null + 18 SR (IS-IS) fe80::9863:abff:fed0:d7e implicit-null + 19 SR (IS-IS) fe80::ec65:d1ff:fe32:b508 implicit-null + 20 SR (IS-IS) fe80::a4e9:77ff:feaa:f690 implicit-null + 21 SR (IS-IS) fe80::40c4:e6ff:fe26:767f implicit-null + 16011 SR (IS-IS) fe80::881f:d3ff:febd:9e8c 16011 + 16012 SR (IS-IS) fe80::40c4:e6ff:fe26:767f 16012 + 16012 SR (IS-IS) fe80::881f:d3ff:febd:9e8c 16012 + 16013 SR (IS-IS) fe80::40c4:e6ff:fe26:767f 16013 + 16014 SR (IS-IS) fe80::1c7e:c3ff:fe5e:7a54 16014 + 16014 SR (IS-IS) fe80::ec65:d1ff:fe32:b508 16014 + 16014 SR (IS-IS) fe80::40c4:e6ff:fe26:767f 16014 + 16021 SR (IS-IS) fe80::881f:d3ff:febd:9e8c 16021 + 16022 SR (IS-IS) fe80::40c4:e6ff:fe26:767f 16022 + 16023 SR (IS-IS) fe80::1c7e:c3ff:fe5e:7a54 16023 + 16023 SR (IS-IS) fe80::ec65:d1ff:fe32:b508 16023 + 16023 SR (IS-IS) fe80::40c4:e6ff:fe26:767f 16023 + 16031 SR (IS-IS) fe80::9863:abff:fed0:d7e 16031 + 16032 SR (IS-IS) lo - + 16033 SR (IS-IS) fe80::1c7e:c3ff:fe5e:7a54 16033 + 16033 SR (IS-IS) fe80::ec65:d1ff:fe32:b508 16033 + 16034 SR (IS-IS) fe80::1c7e:c3ff:fe5e:7a54 16034 + 16034 SR (IS-IS) fe80::ec65:d1ff:fe32:b508 16034 + 16041 SR (IS-IS) fe80::a4e9:77ff:feaa:f690 16041 + 16502 PPR (IS-IS) fe80::9863:abff:fed0:d7e 16502 + 16503 PPR (IS-IS) fe80::a4e9:77ff:feaa:f690 16503 + + # show ipv6 route 6000::/16 longer-prefixes isis + +Router RT33 +^^^^^^^^^^^ + +:: + + # show isis ppr + Area Level ID Prefix Metric Position Status Uptime + --------------------------------------------------------------------------------------------- + 1 L1 500 (MPLS) 5000::11/128 0 Off-Path - - + 1 L1 501 (MPLS) 5000::14/128 0 Off-Path - - + 1 L1 502 (MPLS) 5000::11/128 0 Mid-Point Up 00:00:57 + 1 L1 503 (MPLS) 5000::14/128 0 Mid-Point Up 00:00:57 + 1 L1 6000:1::1/128 (Native IPv6) 5000::11/128 50 Off-Path - - + 1 L1 6000:2::1/128 (Native IPv6) 5000::14/128 50 Off-Path - - + + # show mpls table + Inbound Label Type Nexthop Outbound Label + ----------------------------------------------------------------------- + 16 SR (IS-IS) fe80::2832:a9ff:fec3:7078 implicit-null + 17 SR (IS-IS) fe80::7806:e1ff:fe72:9b1f implicit-null + 18 SR (IS-IS) fe80::5476:31ff:fe94:c39 implicit-null + 19 SR (IS-IS) fe80::a4e9:77ff:feaa:f690 implicit-null + 20 SR (IS-IS) fe80::68c9:2ff:fe04:5eba implicit-null + 21 SR (IS-IS) fe80::d053:97ff:fee2:1711 implicit-null + 16011 SR (IS-IS) fe80::2832:a9ff:fec3:7078 16011 + 16011 SR (IS-IS) fe80::5476:31ff:fe94:c39 16011 + 16011 SR (IS-IS) fe80::d053:97ff:fee2:1711 16011 + 16012 SR (IS-IS) fe80::d053:97ff:fee2:1711 16012 + 16013 SR (IS-IS) fe80::68c9:2ff:fe04:5eba 20013 + 16013 SR (IS-IS) fe80::d053:97ff:fee2:1711 16013 + 16014 SR (IS-IS) fe80::68c9:2ff:fe04:5eba 20014 + 16021 SR (IS-IS) fe80::2832:a9ff:fec3:7078 16021 + 16021 SR (IS-IS) fe80::5476:31ff:fe94:c39 16021 + 16021 SR (IS-IS) fe80::d053:97ff:fee2:1711 16021 + 16022 SR (IS-IS) fe80::d053:97ff:fee2:1711 16022 + 16023 SR (IS-IS) fe80::68c9:2ff:fe04:5eba 20023 + 16031 SR (IS-IS) fe80::2832:a9ff:fec3:7078 16031 + 16031 SR (IS-IS) fe80::5476:31ff:fe94:c39 16031 + 16032 SR (IS-IS) fe80::2832:a9ff:fec3:7078 16032 + 16032 SR (IS-IS) fe80::5476:31ff:fe94:c39 16032 + 16033 SR (IS-IS) lo - + 16034 SR (IS-IS) fe80::7806:e1ff:fe72:9b1f 16034 + 16041 SR (IS-IS) fe80::a4e9:77ff:feaa:f690 16041 + 16502 PPR (IS-IS) fe80::a4e9:77ff:feaa:f690 16502 + 16503 PPR (IS-IS) fe80::7806:e1ff:fe72:9b1f 16503 + + # show ipv6 route 6000::/16 longer-prefixes isis + +Router RT34 +^^^^^^^^^^^ + +:: + + # show isis ppr + Area Level ID Prefix Metric Position Status Uptime + --------------------------------------------------------------------------------------------- + 1 L1 500 (MPLS) 5000::11/128 0 Off-Path - - + 1 L1 501 (MPLS) 5000::14/128 0 Off-Path - - + 1 L1 502 (MPLS) 5000::11/128 0 Mid-Point Up 00:00:59 + 1 L1 503 (MPLS) 5000::14/128 0 Mid-Point Up 00:00:59 + 1 L1 6000:1::1/128 (Native IPv6) 5000::11/128 50 Off-Path - - + 1 L1 6000:2::1/128 (Native IPv6) 5000::14/128 50 Off-Path - - + + # show mpls table + Inbound Label Type Nexthop Outbound Label + ----------------------------------------------------------------------- + 16 SR (IS-IS) fe80::ac33:5dff:fe99:81ec implicit-null + 17 SR (IS-IS) fe80::f009:b9ff:fe05:e540 implicit-null + 16011 SR (IS-IS) fe80::ac33:5dff:fe99:81ec 16011 + 16011 SR (IS-IS) fe80::f009:b9ff:fe05:e540 20011 + 16012 SR (IS-IS) fe80::ac33:5dff:fe99:81ec 16012 + 16012 SR (IS-IS) fe80::f009:b9ff:fe05:e540 20012 + 16013 SR (IS-IS) fe80::f009:b9ff:fe05:e540 20013 + 16014 SR (IS-IS) fe80::f009:b9ff:fe05:e540 20014 + 16021 SR (IS-IS) fe80::ac33:5dff:fe99:81ec 16021 + 16021 SR (IS-IS) fe80::f009:b9ff:fe05:e540 20021 + 16022 SR (IS-IS) fe80::ac33:5dff:fe99:81ec 16022 + 16022 SR (IS-IS) fe80::f009:b9ff:fe05:e540 20022 + 16023 SR (IS-IS) fe80::f009:b9ff:fe05:e540 20023 + 16031 SR (IS-IS) fe80::ac33:5dff:fe99:81ec 16031 + 16032 SR (IS-IS) fe80::ac33:5dff:fe99:81ec 16032 + 16033 SR (IS-IS) fe80::ac33:5dff:fe99:81ec 16033 + 16034 SR (IS-IS) lo - + 16041 SR (IS-IS) fe80::ac33:5dff:fe99:81ec 16041 + 16502 PPR (IS-IS) fe80::ac33:5dff:fe99:81ec 16502 + 16503 PPR (IS-IS) fe80::f009:b9ff:fe05:e540 20503 + + # show ipv6 route 6000::/16 longer-prefixes isis + +Router RT41 +^^^^^^^^^^^ + +:: + + # show isis ppr + Area Level ID Prefix Metric Position Status Uptime + --------------------------------------------------------------------------------------------- + 1 L1 500 (MPLS) 5000::11/128 0 Off-Path - - + 1 L1 501 (MPLS) 5000::14/128 0 Off-Path - - + 1 L1 502 (MPLS) 5000::11/128 0 Mid-Point Up 00:01:01 + 1 L1 503 (MPLS) 5000::14/128 0 Mid-Point Up 00:01:01 + 1 L1 6000:1::1/128 (Native IPv6) 5000::11/128 50 Off-Path - - + 1 L1 6000:2::1/128 (Native IPv6) 5000::14/128 50 Off-Path - - + + # show mpls table + Inbound Label Type Nexthop Outbound Label + ----------------------------------------------------------------------- + 16 SR (IS-IS) fe80::1c7e:c3ff:fe5e:7a54 implicit-null + 17 SR (IS-IS) fe80::2832:a9ff:fec3:7078 implicit-null + 16011 SR (IS-IS) fe80::2832:a9ff:fec3:7078 16011 + 16012 SR (IS-IS) fe80::2832:a9ff:fec3:7078 16012 + 16012 SR (IS-IS) fe80::1c7e:c3ff:fe5e:7a54 16012 + 16013 SR (IS-IS) fe80::2832:a9ff:fec3:7078 16013 + 16013 SR (IS-IS) fe80::1c7e:c3ff:fe5e:7a54 16013 + 16014 SR (IS-IS) fe80::1c7e:c3ff:fe5e:7a54 16014 + 16021 SR (IS-IS) fe80::2832:a9ff:fec3:7078 16021 + 16022 SR (IS-IS) fe80::2832:a9ff:fec3:7078 16022 + 16022 SR (IS-IS) fe80::1c7e:c3ff:fe5e:7a54 16022 + 16023 SR (IS-IS) fe80::1c7e:c3ff:fe5e:7a54 16023 + 16031 SR (IS-IS) fe80::2832:a9ff:fec3:7078 16031 + 16032 SR (IS-IS) fe80::2832:a9ff:fec3:7078 16032 + 16033 SR (IS-IS) fe80::1c7e:c3ff:fe5e:7a54 16033 + 16034 SR (IS-IS) fe80::1c7e:c3ff:fe5e:7a54 16034 + 16041 SR (IS-IS) lo - + 16502 PPR (IS-IS) fe80::2832:a9ff:fec3:7078 16502 + 16503 PPR (IS-IS) fe80::1c7e:c3ff:fe5e:7a54 16503 + + # show ipv6 route 6000::/16 longer-prefixes isis + +Notice how R23 uses a different SRGB compared to the other routers in +the network. As such, this router install different labels for PPR-IDs +500 and 501 (e.g. 20500 instead of 16500 using the default SRGB). + +Verification - Forwarding Plane +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Ping Host 3 from Host2 and use tcpdump or wireshark to verify that the +ICMP packets are being tunneled using MPLS LSPs and following the {R11 - +R21 - R22 - R23 - R14} path. Here’s a wireshark capture between R11 and +R21: + +.. figure:: https://user-images.githubusercontent.com/931662/64057179-2e980080-cb70-11e9-89c3-ff43e6d66cae.png + :alt: wireshark + + wireshark + +Using ``traceroute`` it’s also possible to see that the ICMP packets are +being tunneled through the IS-IS network: + +:: + + root@host2:~# traceroute -n fd00:20:1::1 -s fd00:10:2::1 + traceroute to fd00:20:1::1 (fd00:20:1::1), 30 hops max, 80 byte packets + 1 fd00:10:2::100 1.996 ms 1.832 ms 1.725 ms + 2 * * * + 3 * * * + 4 * * * + 5 * * * + 6 * * * + 7 * * * + 8 fd00:20::100 0.154 ms 0.191 ms 0.116 ms + 9 fd00:20:1::1 0.125 ms 0.105 ms 0.104 ms |