diff options
Diffstat (limited to 'tests/topotests/bgp_link_bw_ip')
46 files changed, 1439 insertions, 0 deletions
diff --git a/tests/topotests/bgp_link_bw_ip/__init__.py b/tests/topotests/bgp_link_bw_ip/__init__.py new file mode 100755 index 0000000..e69de29 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/__init__.py diff --git a/tests/topotests/bgp_link_bw_ip/r1/bgp-route-1.json b/tests/topotests/bgp_link_bw_ip/r1/bgp-route-1.json new file mode 100644 index 0000000..3e3c35e --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/bgp-route-1.json @@ -0,0 +1,19 @@ +{ + "prefix":"198.10.1.1\/32", + "paths":[ + { + "valid":true, + "bestpath":{ + "overall":true + }, + "extendedCommunity":{ + "string":"LB:65301:125000 (1.000 Mbps)" + }, + "nexthops":[ + { + "ip":"11.1.1.2" + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r1/bgp-route-2.json b/tests/topotests/bgp_link_bw_ip/r1/bgp-route-2.json new file mode 100644 index 0000000..f07e89b --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/bgp-route-2.json @@ -0,0 +1,32 @@ +{ + "prefix":"198.10.1.1\/32", + "paths":[ + { + "valid":true, + "multipath":true, + "extendedCommunity":{ + "string":"LB:65303:125000 (1.000 Mbps)" + }, + "nexthops":[ + { + "ip":"11.1.1.6" + } + ] + }, + { + "valid":true, + "multipath":true, + "bestpath":{ + "overall":true + }, + "extendedCommunity":{ + "string":"LB:65201:375000 (3.000 Mbps)" + }, + "nexthops":[ + { + "ip":"11.1.1.2" + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r1/bgp-route-3.json b/tests/topotests/bgp_link_bw_ip/r1/bgp-route-3.json new file mode 100644 index 0000000..3501d12 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/bgp-route-3.json @@ -0,0 +1,32 @@ +{ + "prefix":"198.10.1.1\/32", + "paths":[ + { + "valid":true, + "multipath":true, + "extendedCommunity":{ + "string":"LB:65303:125000 (1.000 Mbps)" + }, + "nexthops":[ + { + "ip":"11.1.1.6" + } + ] + }, + { + "valid":true, + "multipath":true, + "bestpath":{ + "overall":true + }, + "extendedCommunity":{ + "string":"LB:65301:250000 (2.000 Mbps)" + }, + "nexthops":[ + { + "ip":"11.1.1.2" + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r1/bgp-route-4.json b/tests/topotests/bgp_link_bw_ip/r1/bgp-route-4.json new file mode 100644 index 0000000..b1ed004 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/bgp-route-4.json @@ -0,0 +1,32 @@ +{ + "prefix":"198.10.1.11\/32", + "paths":[ + { + "valid":true, + "multipath":true, + "extendedCommunity":{ + "string":"LB:65303:125000 (1.000 Mbps)" + }, + "nexthops":[ + { + "ip":"11.1.1.6" + } + ] + }, + { + "valid":true, + "multipath":true, + "bestpath":{ + "overall":true + }, + "extendedCommunity":{ + "string":"LB:65201:250000 (2.000 Mbps)" + }, + "nexthops":[ + { + "ip":"11.1.1.2" + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r1/bgp-route-5.json b/tests/topotests/bgp_link_bw_ip/r1/bgp-route-5.json new file mode 100644 index 0000000..89469b8 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/bgp-route-5.json @@ -0,0 +1,29 @@ +{ + "prefix":"198.10.1.1\/32", + "paths":[ + { + "valid":true, + "multipath":true, + "nexthops":[ + { + "ip":"11.1.1.6" + } + ] + }, + { + "valid":true, + "multipath":true, + "bestpath":{ + "overall":true + }, + "extendedCommunity":{ + "string":"LB:65201:375000 (3.000 Mbps)" + }, + "nexthops":[ + { + "ip":"11.1.1.2" + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r1/bgpd.conf b/tests/topotests/bgp_link_bw_ip/r1/bgpd.conf new file mode 100644 index 0000000..b1ec70d --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/bgpd.conf @@ -0,0 +1,12 @@ +hostname r1 +! +router bgp 65101 + bgp router-id 11.1.1.1 + no bgp ebgp-requires-policy + bgp bestpath as-path multipath-relax + neighbor 11.1.1.2 remote-as external + neighbor 11.1.1.2 timers 3 10 + neighbor 11.1.1.6 remote-as external + neighbor 11.1.1.6 timers 3 10 + neighbor 11.1.1.6 disable-link-bw-encoding-ieee +! diff --git a/tests/topotests/bgp_link_bw_ip/r1/ip-route-1.json b/tests/topotests/bgp_link_bw_ip/r1/ip-route-1.json new file mode 100644 index 0000000..3c02e26 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/ip-route-1.json @@ -0,0 +1,20 @@ +{ + "198.10.1.1\/32":[ + { + "prefix":"198.10.1.1\/32", + "selected":true, + "nexthops":[ + { + "fib":true, + "ip":"11.1.1.6", + "weight":25 + }, + { + "fib":true, + "ip":"11.1.1.2", + "weight":75 + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r1/ip-route-2.json b/tests/topotests/bgp_link_bw_ip/r1/ip-route-2.json new file mode 100644 index 0000000..3c2d42c --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/ip-route-2.json @@ -0,0 +1,20 @@ +{ + "198.10.1.1\/32":[ + { + "prefix":"198.10.1.1\/32", + "selected":true, + "nexthops":[ + { + "fib":true, + "ip":"11.1.1.6", + "weight":33 + }, + { + "fib":true, + "ip":"11.1.1.2", + "weight":66 + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r1/ip-route-3.json b/tests/topotests/bgp_link_bw_ip/r1/ip-route-3.json new file mode 100644 index 0000000..3d80018 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/ip-route-3.json @@ -0,0 +1,20 @@ +{ + "198.10.1.11\/32":[ + { + "prefix":"198.10.1.11\/32", + "selected":true, + "nexthops":[ + { + "fib":true, + "ip":"11.1.1.6", + "weight":33 + }, + { + "fib":true, + "ip":"11.1.1.2", + "weight":66 + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r1/ip-route-4.json b/tests/topotests/bgp_link_bw_ip/r1/ip-route-4.json new file mode 100644 index 0000000..6b757ef --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/ip-route-4.json @@ -0,0 +1,20 @@ +{ + "198.10.1.1\/32":[ + { + "prefix":"198.10.1.1\/32", + "selected":true, + "nexthops":[ + { + "fib":true, + "ip":"11.1.1.2", + "weight":1 + }, + { + "fib":true, + "ip":"11.1.1.6", + "weight":1 + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r1/ip-route-5.json b/tests/topotests/bgp_link_bw_ip/r1/ip-route-5.json new file mode 100644 index 0000000..641ecab --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/ip-route-5.json @@ -0,0 +1,20 @@ +{ + "198.10.1.11\/32":[ + { + "prefix":"198.10.1.11\/32", + "selected":true, + "nexthops":[ + { + "fib":true, + "ip":"11.1.1.2", + "weight":1 + }, + { + "fib":true, + "ip":"11.1.1.6", + "weight":1 + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r1/ip-route-6.json b/tests/topotests/bgp_link_bw_ip/r1/ip-route-6.json new file mode 100644 index 0000000..6ed3f8e --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/ip-route-6.json @@ -0,0 +1,15 @@ +{ + "198.10.1.1\/32":[ + { + "prefix":"198.10.1.1\/32", + "selected":true, + "nexthops":[ + { + "fib":true, + "ip":"11.1.1.2", + "weight":100 + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r1/ip-route-7.json b/tests/topotests/bgp_link_bw_ip/r1/ip-route-7.json new file mode 100644 index 0000000..95531d9 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/ip-route-7.json @@ -0,0 +1,15 @@ +{ + "198.10.1.11\/32":[ + { + "prefix":"198.10.1.11\/32", + "selected":true, + "nexthops":[ + { + "fib":true, + "ip":"11.1.1.2", + "weight":100 + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r1/ip-route-8.json b/tests/topotests/bgp_link_bw_ip/r1/ip-route-8.json new file mode 100644 index 0000000..beac501 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/ip-route-8.json @@ -0,0 +1,20 @@ +{ + "198.10.1.1\/32":[ + { + "prefix":"198.10.1.1\/32", + "selected":true, + "nexthops":[ + { + "fib":true, + "ip":"11.1.1.6", + "weight":1 + }, + { + "fib":true, + "ip":"11.1.1.2", + "weight":100 + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r1/ip-route-9.json b/tests/topotests/bgp_link_bw_ip/r1/ip-route-9.json new file mode 100644 index 0000000..eb27ce2 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/ip-route-9.json @@ -0,0 +1,20 @@ +{ + "198.10.1.11\/32":[ + { + "prefix":"198.10.1.11\/32", + "selected":true, + "nexthops":[ + { + "fib":true, + "ip":"11.1.1.6", + "weight":1 + }, + { + "fib":true, + "ip":"11.1.1.2", + "weight":100 + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r1/v4_route.json b/tests/topotests/bgp_link_bw_ip/r1/v4_route.json new file mode 100644 index 0000000..76c6396 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/v4_route.json @@ -0,0 +1,84 @@ +{ + "10.0.1.1\/32":[ + { + "prefix":"10.0.1.1\/32", + "protocol":"ospf", + "distance":110, + "metric":10, + "table":254, + "nexthops":[ + { + "flags":9, + "ip":"0.0.0.0", + "afi":"ipv4", + "interfaceName":"r1-eth0", + "active":true, + "onLink":true + } + ] + }, + { + "prefix":"10.0.1.1\/32", + "protocol":"connected", + "selected":true, + "destSelected":true, + "distance":0, + "metric":0, + "installed":true, + "table":254, + "nexthops":[ + { + "flags":3, + "fib":true, + "directlyConnected":true, + "interfaceName":"r1-eth0", + "active":true + } + ] + } + ], + "10.0.3.4\/32":[ + { + "prefix":"10.0.3.4\/32", + "protocol":"connected", + "selected":true, + "destSelected":true, + "distance":0, + "metric":0, + "installed":true, + "table":254, + "nexthops":[ + { + "flags":3, + "fib":true, + "directlyConnected":true, + "interfaceName":"r1-eth1", + "active":true + } + ] + } + ], + "10.0.20.1\/32":[ + { + "prefix":"10.0.20.1\/32", + "protocol":"ospf", + "selected":true, + "destSelected":true, + "distance":110, + "metric":20, + "installed":true, + "table":254, + "nexthops":[ + { + "flags":11, + "fib":true, + "ip":"10.0.3.2", + "afi":"ipv4", + "interfaceName":"r1-eth1", + "active":true, + "onLink":true + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r1/zebra.conf b/tests/topotests/bgp_link_bw_ip/r1/zebra.conf new file mode 100644 index 0000000..0fc81f9 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r1/zebra.conf @@ -0,0 +1,7 @@ +! +interface r1-eth0 + ip address 11.1.1.1/30 +! +interface r1-eth1 + ip address 11.1.1.5/30 +! diff --git a/tests/topotests/bgp_link_bw_ip/r10/bgpd.conf b/tests/topotests/bgp_link_bw_ip/r10/bgpd.conf new file mode 100644 index 0000000..022270f --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r10/bgpd.conf @@ -0,0 +1,17 @@ +hostname r10 +! +ip prefix-list redist seq 10 permit 0.0.0.0/0 ge 32 +! +route-map redist permit 10 + match ip address prefix-list redist +! +router bgp 65354 + bgp router-id 11.1.6.2 + no bgp ebgp-requires-policy + neighbor 11.1.6.1 remote-as external + neighbor 11.1.6.1 timers 3 10 + ! + address-family ipv4 unicast + redistribute connected route-map redist + ! +! diff --git a/tests/topotests/bgp_link_bw_ip/r10/zebra.conf b/tests/topotests/bgp_link_bw_ip/r10/zebra.conf new file mode 100644 index 0000000..1a24fda --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r10/zebra.conf @@ -0,0 +1,6 @@ +interface r10-eth0 + ip address 11.1.6.2/30 +! +interface r10-eth1 + ip address 50.1.1.10/32 +! diff --git a/tests/topotests/bgp_link_bw_ip/r2/bgp-route-1.json b/tests/topotests/bgp_link_bw_ip/r2/bgp-route-1.json new file mode 100644 index 0000000..3c38689 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r2/bgp-route-1.json @@ -0,0 +1,19 @@ +{ + "prefix":"198.10.1.1\/32", + "paths":[ + { + "valid":true, + "bestpath":{ + "overall":true + }, + "extendedCommunity":{ + "string":"LB:65301:125000 (1.000 Mbps)" + }, + "nexthops":[ + { + "ip":"11.1.2.2" + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r2/bgp-route-2.json b/tests/topotests/bgp_link_bw_ip/r2/bgp-route-2.json new file mode 100644 index 0000000..1895cd8 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r2/bgp-route-2.json @@ -0,0 +1,19 @@ +{ + "prefix":"198.10.1.1\/32", + "paths":[ + { + "valid":true, + "bestpath":{ + "overall":true + }, + "extendedCommunity":{ + "string":"LB:65301:250000 (2.000 Mbps)" + }, + "nexthops":[ + { + "ip":"11.1.2.2" + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r2/bgp-route-3.json b/tests/topotests/bgp_link_bw_ip/r2/bgp-route-3.json new file mode 100644 index 0000000..dfc4171 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r2/bgp-route-3.json @@ -0,0 +1,32 @@ +{ + "prefix":"198.10.1.1\/32", + "paths":[ + { + "valid":true, + "multipath":true, + "extendedCommunity":{ + "string":"LB:65302:125000 (1.000 Mbps)" + }, + "nexthops":[ + { + "ip":"11.1.2.6" + } + ] + }, + { + "valid":true, + "multipath":true, + "bestpath":{ + "overall":true + }, + "extendedCommunity":{ + "string":"LB:65301:250000 (2.000 Mbps)" + }, + "nexthops":[ + { + "ip":"11.1.2.2" + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r2/bgpd.conf b/tests/topotests/bgp_link_bw_ip/r2/bgpd.conf new file mode 100644 index 0000000..0c0e859 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r2/bgpd.conf @@ -0,0 +1,13 @@ +hostname r2 +! +router bgp 65201 + bgp router-id 11.1.2.1 + bgp bestpath as-path multipath-relax + no bgp ebgp-requires-policy + neighbor 11.1.1.1 remote-as external + neighbor 11.1.1.1 timers 3 10 + neighbor 11.1.2.2 remote-as external + neighbor 11.1.2.2 timers 3 10 + neighbor 11.1.2.6 remote-as external + neighbor 11.1.2.6 timers 3 10 +! diff --git a/tests/topotests/bgp_link_bw_ip/r2/ip-route-1.json b/tests/topotests/bgp_link_bw_ip/r2/ip-route-1.json new file mode 100644 index 0000000..131100a --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r2/ip-route-1.json @@ -0,0 +1,19 @@ +{ + "198.10.1.1\/32":[ + { + "prefix":"198.10.1.1\/32", + "protocol":"bgp", + "selected":true, + "installed":true, + "nexthops":[ + { + "fib":true, + "ip":"11.1.2.2", + "interfaceName":"r2-eth1", + "active":true, + "weight":1 + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r2/ip-route-2.json b/tests/topotests/bgp_link_bw_ip/r2/ip-route-2.json new file mode 100644 index 0000000..7e2fa6b --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r2/ip-route-2.json @@ -0,0 +1,20 @@ +{ + "198.10.1.1\/32":[ + { + "prefix":"198.10.1.1\/32", + "selected":true, + "nexthops":[ + { + "fib":true, + "ip":"11.1.2.6", + "weight":33 + }, + { + "fib":true, + "ip":"11.1.2.2", + "weight":66 + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r2/ip-route-3.json b/tests/topotests/bgp_link_bw_ip/r2/ip-route-3.json new file mode 100644 index 0000000..d0509bb --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r2/ip-route-3.json @@ -0,0 +1,15 @@ +{ + "198.10.1.1\/32":[ + { + "prefix":"198.10.1.1\/32", + "selected":true, + "nexthops":[ + { + "fib":true, + "ip":"11.1.2.2", + "weight":1 + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r2/zebra.conf b/tests/topotests/bgp_link_bw_ip/r2/zebra.conf new file mode 100644 index 0000000..23573a1 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r2/zebra.conf @@ -0,0 +1,10 @@ +! +interface r2-eth0 + ip address 11.1.1.2/30 +! +interface r2-eth1 + ip address 11.1.2.1/30 +! +interface r2-eth2 + ip address 11.1.2.5/30 +! diff --git a/tests/topotests/bgp_link_bw_ip/r3/bgp-route-1.json b/tests/topotests/bgp_link_bw_ip/r3/bgp-route-1.json new file mode 100644 index 0000000..cddf127 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r3/bgp-route-1.json @@ -0,0 +1,29 @@ +{ + "prefix":"198.10.1.1/32", + "paths":[ + { + "aspath":{ + "string":"65303 65354", + "segments":[ + { + "type":"as-sequence", + "list":[ + 65303, + 65354 + ] + } + ], + "length":2 + }, + "valid":true, + "extendedCommunity":{ + "string":"LB:65303:125000 (1.000 Mbps)" + }, + "nexthops":[ + { + "ip":"11.1.3.2" + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r3/bgpd.conf b/tests/topotests/bgp_link_bw_ip/r3/bgpd.conf new file mode 100644 index 0000000..cfd3949 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r3/bgpd.conf @@ -0,0 +1,12 @@ +hostname r3 +! +router bgp 65202 + bgp router-id 11.1.3.1 + bgp bestpath as-path multipath-relax + no bgp ebgp-requires-policy + neighbor 11.1.1.5 remote-as external + neighbor 11.1.1.5 timers 3 10 + neighbor 11.1.3.2 remote-as external + neighbor 11.1.3.2 timers 3 10 + neighbor 11.1.3.2 disable-link-bw-encoding-ieee +! diff --git a/tests/topotests/bgp_link_bw_ip/r3/zebra.conf b/tests/topotests/bgp_link_bw_ip/r3/zebra.conf new file mode 100644 index 0000000..d667669 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r3/zebra.conf @@ -0,0 +1,7 @@ +! +interface r3-eth0 + ip address 11.1.1.6/30 +! +interface r3-eth1 + ip address 11.1.3.1/30 +! diff --git a/tests/topotests/bgp_link_bw_ip/r4/bgp-route-1.json b/tests/topotests/bgp_link_bw_ip/r4/bgp-route-1.json new file mode 100644 index 0000000..87d1ae0 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r4/bgp-route-1.json @@ -0,0 +1,23 @@ +{ + "prefix":"198.10.1.1\/32", + "paths":[ + { + "valid":true, + "multipath":true, + "nexthops":[ + { + "ip":"11.1.4.6" + } + ] + }, + { + "valid":true, + "multipath":true, + "nexthops":[ + { + "ip":"11.1.4.2" + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r4/bgpd.conf b/tests/topotests/bgp_link_bw_ip/r4/bgpd.conf new file mode 100644 index 0000000..88b260f --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r4/bgpd.conf @@ -0,0 +1,32 @@ +! +log file bgpd.log +! +! debug bgp updates +! debug bgp zebra +! debug bgp bestpath 198.10.1.1/32 +! +hostname r4 +! +ip prefix-list anycast_ip seq 10 permit 198.10.1.0/24 le 32 +! +route-map anycast_ip permit 10 + match ip address prefix-list anycast_ip + set extcommunity bandwidth num-multipaths +! +route-map anycast_ip permit 20 +! +router bgp 65301 + bgp router-id 11.1.4.1 + bgp bestpath as-path multipath-relax + no bgp ebgp-requires-policy + neighbor 11.1.2.1 remote-as external + neighbor 11.1.2.1 timers 3 10 + neighbor 11.1.4.2 remote-as external + neighbor 11.1.4.2 timers 3 10 + neighbor 11.1.4.6 remote-as external + neighbor 11.1.4.6 timers 3 10 + ! + address-family ipv4 unicast + neighbor 11.1.2.1 route-map anycast_ip out + ! +! diff --git a/tests/topotests/bgp_link_bw_ip/r4/ip-route-1.json b/tests/topotests/bgp_link_bw_ip/r4/ip-route-1.json new file mode 100644 index 0000000..a9ccf07 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r4/ip-route-1.json @@ -0,0 +1,21 @@ +{ + "198.10.1.1\/32":[ + { + "prefix":"198.10.1.1\/32", + "protocol":"bgp", + "selected":true, + "nexthops":[ + { + "fib":true, + "ip":"11.1.4.2", + "weight":1 + }, + { + "fib":true, + "ip":"11.1.4.6", + "weight":1 + } + ] + } + ] +} diff --git a/tests/topotests/bgp_link_bw_ip/r4/zebra.conf b/tests/topotests/bgp_link_bw_ip/r4/zebra.conf new file mode 100644 index 0000000..ef61f7e --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r4/zebra.conf @@ -0,0 +1,10 @@ +! +interface r4-eth0 + ip address 11.1.2.2/30 +! +interface r4-eth1 + ip address 11.1.4.1/30 +! +interface r4-eth2 + ip address 11.1.4.5/30 +! diff --git a/tests/topotests/bgp_link_bw_ip/r5/bgpd.conf b/tests/topotests/bgp_link_bw_ip/r5/bgpd.conf new file mode 100644 index 0000000..4014bfb --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r5/bgpd.conf @@ -0,0 +1,23 @@ +hostname r5 +! +ip prefix-list anycast_ip seq 10 permit 198.10.1.0/24 le 32 +! +route-map anycast_ip permit 10 + match ip address prefix-list anycast_ip + set extcommunity bandwidth num-multipaths +! +route-map anycast_ip permit 20 +! +router bgp 65302 + bgp router-id 11.1.5.1 + bgp bestpath as-path multipath-relax + no bgp ebgp-requires-policy + neighbor 11.1.2.5 remote-as external + neighbor 11.1.2.5 timers 3 10 + neighbor 11.1.5.2 remote-as external + neighbor 11.1.5.2 timers 3 10 + ! + address-family ipv4 unicast + neighbor 11.1.2.5 route-map anycast_ip out + ! +! diff --git a/tests/topotests/bgp_link_bw_ip/r5/zebra.conf b/tests/topotests/bgp_link_bw_ip/r5/zebra.conf new file mode 100644 index 0000000..66c6596 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r5/zebra.conf @@ -0,0 +1,7 @@ +! +interface r5-eth0 + ip address 11.1.2.6/30 +! +interface r5-eth1 + ip address 11.1.5.1/30 +! diff --git a/tests/topotests/bgp_link_bw_ip/r6/bgpd.conf b/tests/topotests/bgp_link_bw_ip/r6/bgpd.conf new file mode 100644 index 0000000..89de8ee --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r6/bgpd.conf @@ -0,0 +1,24 @@ +hostname r6 +! +ip prefix-list anycast_ip seq 10 permit 198.10.1.0/24 le 32 +! +route-map anycast_ip permit 10 + match ip address prefix-list anycast_ip + set extcommunity bandwidth num-multipaths +! +route-map anycast_ip permit 20 +! +router bgp 65303 + bgp router-id 11.1.6.1 + bgp bestpath as-path multipath-relax + no bgp ebgp-requires-policy + neighbor 11.1.3.1 remote-as external + neighbor 11.1.3.1 timers 3 10 + neighbor 11.1.3.1 disable-link-bw-encoding-ieee + neighbor 11.1.6.2 remote-as external + neighbor 11.1.6.2 timers 3 10 + ! + address-family ipv4 unicast + neighbor 11.1.3.1 route-map anycast_ip out + ! +! diff --git a/tests/topotests/bgp_link_bw_ip/r6/zebra.conf b/tests/topotests/bgp_link_bw_ip/r6/zebra.conf new file mode 100644 index 0000000..66ff563 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r6/zebra.conf @@ -0,0 +1,7 @@ +! +interface r6-eth0 + ip address 11.1.3.2/30 +! +interface r6-eth1 + ip address 11.1.6.1/30 +! diff --git a/tests/topotests/bgp_link_bw_ip/r7/bgpd.conf b/tests/topotests/bgp_link_bw_ip/r7/bgpd.conf new file mode 100644 index 0000000..39c0c81 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r7/bgpd.conf @@ -0,0 +1,17 @@ +hostname r7 +! +ip prefix-list redist seq 10 permit 0.0.0.0/0 ge 32 +! +route-map redist permit 10 + match ip address prefix-list redist +! +router bgp 65351 + bgp router-id 11.1.4.2 + no bgp ebgp-requires-policy + neighbor 11.1.4.1 remote-as external + neighbor 11.1.4.1 timers 3 10 + ! + address-family ipv4 unicast + redistribute connected route-map redist + ! +! diff --git a/tests/topotests/bgp_link_bw_ip/r7/zebra.conf b/tests/topotests/bgp_link_bw_ip/r7/zebra.conf new file mode 100644 index 0000000..38e36ca --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r7/zebra.conf @@ -0,0 +1,6 @@ +interface r7-eth0 + ip address 11.1.4.2/30 +! +interface r7-eth1 + ip address 50.1.1.7/32 +! diff --git a/tests/topotests/bgp_link_bw_ip/r8/bgpd.conf b/tests/topotests/bgp_link_bw_ip/r8/bgpd.conf new file mode 100644 index 0000000..ea1d546 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r8/bgpd.conf @@ -0,0 +1,17 @@ +hostname r8 +! +ip prefix-list redist seq 10 permit 0.0.0.0/0 ge 32 +! +route-map redist permit 10 + match ip address prefix-list redist +! +router bgp 65352 + bgp router-id 11.1.4.6 + no bgp ebgp-requires-policy + neighbor 11.1.4.5 remote-as external + neighbor 11.1.4.5 timers 3 10 + ! + address-family ipv4 unicast + redistribute connected route-map redist + ! +! diff --git a/tests/topotests/bgp_link_bw_ip/r8/zebra.conf b/tests/topotests/bgp_link_bw_ip/r8/zebra.conf new file mode 100644 index 0000000..1369e19 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r8/zebra.conf @@ -0,0 +1,6 @@ +interface r8-eth0 + ip address 11.1.4.6/30 +! +interface r8-eth1 + ip address 50.1.1.8/32 +! diff --git a/tests/topotests/bgp_link_bw_ip/r9/bgpd.conf b/tests/topotests/bgp_link_bw_ip/r9/bgpd.conf new file mode 100644 index 0000000..a6066ee --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r9/bgpd.conf @@ -0,0 +1,17 @@ +hostname r9 +! +ip prefix-list redist seq 10 permit 0.0.0.0/0 ge 32 +! +route-map redist permit 10 + match ip address prefix-list redist +! +router bgp 65353 + bgp router-id 11.1.5.2 + no bgp ebgp-requires-policy + neighbor 11.1.5.1 remote-as external + neighbor 11.1.5.1 timers 3 10 + ! + address-family ipv4 unicast + redistribute connected route-map redist + ! +! diff --git a/tests/topotests/bgp_link_bw_ip/r9/zebra.conf b/tests/topotests/bgp_link_bw_ip/r9/zebra.conf new file mode 100644 index 0000000..c73caf3 --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/r9/zebra.conf @@ -0,0 +1,6 @@ +interface r9-eth0 + ip address 11.1.5.2/30 +! +interface r9-eth1 + ip address 50.1.1.9/32 +! diff --git a/tests/topotests/bgp_link_bw_ip/test_bgp_linkbw_ip.py b/tests/topotests/bgp_link_bw_ip/test_bgp_linkbw_ip.py new file mode 100644 index 0000000..4214f3a --- /dev/null +++ b/tests/topotests/bgp_link_bw_ip/test_bgp_linkbw_ip.py @@ -0,0 +1,588 @@ +#!/usr/bin/env python + +# +# test_bgp_linkbw_ip.py +# +# Copyright (c) 2020 by +# Cumulus Networks, Inc +# Vivek Venkatraman +# +# Permission to use, copy, modify, and/or distribute this software +# for any purpose with or without fee is hereby granted, provided +# that the above copyright notice and this permission notice appear +# in all copies. +# +# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY +# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS +# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE +# OF THIS SOFTWARE. +# + +""" +test_bgp_linkbw_ip.py: Test weighted ECMP using BGP link-bandwidth +""" + +import os +import sys +from functools import partial +import pytest +import json + +# Save the Current Working Directory to find configuration files. +CWD = os.path.dirname(os.path.realpath(__file__)) +sys.path.append(os.path.join(CWD, "../")) + +# pylint: disable=C0413 +# Import topogen and topotest helpers +from lib import topotest +from lib.topogen import Topogen, TopoRouter, get_topogen +from lib.topolog import logger + +# Required to instantiate the topology builder class. + +pytestmark = [pytest.mark.bgpd] + + +""" +This topology is for validating one of the primary use cases for +weighted ECMP (a.k.a. Unequal cost multipath) using BGP link-bandwidth: +https://tools.ietf.org/html/draft-mohanty-bess-ebgp-dmz + +The topology consists of two PODs. Pod-1 consists of a spine switch +and two leaf switches, with two servers attached to the first leaf and +one to the second leaf. Pod-2 consists of one spine and one leaf, with +one server connected to the leaf. The PODs are connected by a super-spine +switch. + +Note that the use of the term "switch" above is in keeping with common +data-center terminology. These devices are all regular routers; for +this scenario, the servers are also routers as they have to announce +anycast IP (VIP) addresses via BGP. +""" + + +def build_topo(tgen): + "Build function" + + # Create 10 routers - 1 super-spine, 2 spines, 3 leafs + # and 4 servers + routers = {} + for i in range(1, 11): + routers[i] = tgen.add_router("r{}".format(i)) + + # Create 13 "switches" - to interconnect the above routers + switches = {} + for i in range(1, 14): + switches[i] = tgen.add_switch("s{}".format(i)) + + # Interconnect R1 (super-spine) to R2 and R3 (the two spines) + switches[1].add_link(tgen.gears["r1"]) + switches[1].add_link(tgen.gears["r2"]) + switches[2].add_link(tgen.gears["r1"]) + switches[2].add_link(tgen.gears["r3"]) + + # Interconnect R2 (spine in pod-1) to R4 and R5 (the associated + # leaf switches) + switches[3].add_link(tgen.gears["r2"]) + switches[3].add_link(tgen.gears["r4"]) + switches[4].add_link(tgen.gears["r2"]) + switches[4].add_link(tgen.gears["r5"]) + + # Interconnect R3 (spine in pod-2) to R6 (associated leaf) + switches[5].add_link(tgen.gears["r3"]) + switches[5].add_link(tgen.gears["r6"]) + + # Interconnect leaf switches to servers + switches[6].add_link(tgen.gears["r4"]) + switches[6].add_link(tgen.gears["r7"]) + switches[7].add_link(tgen.gears["r4"]) + switches[7].add_link(tgen.gears["r8"]) + switches[8].add_link(tgen.gears["r5"]) + switches[8].add_link(tgen.gears["r9"]) + switches[9].add_link(tgen.gears["r6"]) + switches[9].add_link(tgen.gears["r10"]) + + # Create empty networks for the servers + switches[10].add_link(tgen.gears["r7"]) + switches[11].add_link(tgen.gears["r8"]) + switches[12].add_link(tgen.gears["r9"]) + switches[13].add_link(tgen.gears["r10"]) + + +def setup_module(mod): + "Sets up the pytest environment" + tgen = Topogen(build_topo, mod.__name__) + tgen.start_topology() + + router_list = tgen.routers() + for rname, router in router_list.items(): + router.load_config( + TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname)) + ) + router.load_config( + TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname)) + ) + + # Initialize all routers. + tgen.start_router() + + # tgen.mininet_cli() + + +def teardown_module(mod): + "Teardown the pytest environment" + tgen = get_topogen() + tgen.stop_topology() + + +def test_bgp_linkbw_adv(): + "Test #1: Test BGP link-bandwidth advertisement based on number of multipaths" + logger.info( + "\nTest #1: Test BGP link-bandwidth advertisement based on number of multipaths" + ) + + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip("skipped because of router(s) failure") + + r1 = tgen.gears["r1"] + r2 = tgen.gears["r2"] + + # Configure anycast IP on server r7 + logger.info("Configure anycast IP on server r7") + + tgen.net["r7"].cmd("ip addr add 198.10.1.1/32 dev r7-eth1") + + # Check on spine router r2 for link-bw advertisement by leaf router r4 + logger.info("Check on spine router r2 for link-bw advertisement by leaf router r4") + + json_file = "{}/r2/bgp-route-1.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r2, "show bgp ipv4 uni 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on spine router r2" + assert result is None, assertmsg + + # Check on spine router r2 that default weight is used as there is no multipath + logger.info( + "Check on spine router r2 that default weight is used as there is no multipath" + ) + + json_file = "{}/r2/ip-route-1.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r2, "show ip route 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=50, wait=0.5) + assertmsg = "JSON output mismatch on spine router r2" + assert result is None, assertmsg + + # Check on super-spine router r1 that link-bw has been propagated by spine router r2 + logger.info( + "Check on super-spine router r1 that link-bw has been propagated by spine router r2" + ) + + json_file = "{}/r1/bgp-route-1.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show bgp ipv4 uni 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + +def test_bgp_cumul_linkbw(): + "Test #2: Test cumulative link-bandwidth propagation" + logger.info("\nTest #2: Test cumulative link-bandwidth propagation") + + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip("skipped because of router(s) failure") + + r1 = tgen.gears["r1"] + r2 = tgen.gears["r2"] + r4 = tgen.gears["r4"] + + # Configure anycast IP on additional server r8 + logger.info("Configure anycast IP on server r8") + + tgen.net["r8"].cmd("ip addr add 198.10.1.1/32 dev r8-eth1") + + # Check multipath on leaf router r4 + logger.info("Check multipath on leaf router r4") + + json_file = "{}/r4/bgp-route-1.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r4, "show bgp ipv4 uni 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on leaf router r4" + assert result is None, assertmsg + + # Check regular ECMP is in effect on leaf router r4 + logger.info("Check regular ECMP is in effect on leaf router r4") + + json_file = "{}/r4/ip-route-1.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r4, "show ip route 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=50, wait=0.5) + assertmsg = "JSON output mismatch on leaf router r4" + assert result is None, assertmsg + + # Check on spine router r2 that leaf has propagated the cumulative link-bw based on num-multipaths + logger.info( + "Check on spine router r2 that leaf has propagated the cumulative link-bw based on num-multipaths" + ) + + json_file = "{}/r2/bgp-route-2.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r2, "show bgp ipv4 uni 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on spine router r2" + assert result is None, assertmsg + + +def test_weighted_ecmp(): + "Test #3: Test weighted ECMP - multipath with next hop weights" + logger.info("\nTest #3: Test weighted ECMP - multipath with next hop weights") + + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip("skipped because of router(s) failure") + + r1 = tgen.gears["r1"] + r2 = tgen.gears["r2"] + r3 = tgen.gears["r3"] + + # Configure anycast IP on additional server r9 + logger.info("Configure anycast IP on server r9") + + tgen.net["r9"].cmd("ip addr add 198.10.1.1/32 dev r9-eth1") + + # Check multipath on spine router r2 + logger.info("Check multipath on spine router r2") + json_file = "{}/r2/bgp-route-3.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r2, "show bgp ipv4 uni 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on spine router r2" + assert result is None, assertmsg + + # Check weighted ECMP is in effect on the spine router r2 + logger.info("Check weighted ECMP is in effect on the spine router r2") + + json_file = "{}/r2/ip-route-2.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r2, "show ip route 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=50, wait=0.5) + assertmsg = "JSON output mismatch on spine router r2" + assert result is None, assertmsg + + # Configure anycast IP on additional server r10 + logger.info("Configure anycast IP on server r10") + + tgen.net["r10"].cmd("ip addr add 198.10.1.1/32 dev r10-eth1") + + # Check if bandwidth is properly encoded with non IEEE floatig-point (uint32) format on r3 + logger.info( + "Check if bandwidth is properly encoded with non IEEE floatig-point (uint32) format on r3" + ) + json_file = "{}/r3/bgp-route-1.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r3, "show bgp ipv4 uni 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on r3" + assert result is None, assertmsg + + # Check multipath on super-spine router r1 + logger.info("Check multipath on super-spine router r1") + json_file = "{}/r1/bgp-route-2.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show bgp ipv4 uni 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + # Check weighted ECMP is in effect on the super-spine router r1 + logger.info("Check weighted ECMP is in effect on the super-spine router r1") + json_file = "{}/r1/ip-route-1.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show ip route 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=50, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + +def test_weighted_ecmp_link_flap(): + "Test #4: Test weighted ECMP rebalancing upon change (link flap)" + logger.info("\nTest #4: Test weighted ECMP rebalancing upon change (link flap)") + + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip("skipped because of router(s) failure") + + r1 = tgen.gears["r1"] + r2 = tgen.gears["r2"] + + # Bring down link on server r9 + logger.info("Bring down link on server r9") + + tgen.net["r9"].cmd("ip link set dev r9-eth1 down") + + # Check spine router r2 has only one path + logger.info("Check spine router r2 has only one path") + + json_file = "{}/r2/ip-route-3.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r2, "show ip route 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on spine router r2" + assert result is None, assertmsg + + # Check link-bandwidth change and weighted ECMP rebalance on super-spine router r1 + logger.info( + "Check link-bandwidth change and weighted ECMP rebalance on super-spine router r1" + ) + + json_file = "{}/r1/bgp-route-3.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show bgp ipv4 uni 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + json_file = "{}/r1/ip-route-2.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show ip route 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=50, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + # Bring up link on server r9 + logger.info("Bring up link on server r9") + + tgen.net["r9"].cmd("ip link set dev r9-eth1 up") + + # Check link-bandwidth change and weighted ECMP rebalance on super-spine router r1 + logger.info( + "Check link-bandwidth change and weighted ECMP rebalance on super-spine router r1" + ) + + json_file = "{}/r1/bgp-route-2.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show bgp ipv4 uni 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + json_file = "{}/r1/ip-route-1.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show ip route 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=50, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + +def test_weighted_ecmp_second_anycast_ip(): + "Test #5: Test weighted ECMP for a second anycast IP" + logger.info("\nTest #5: Test weighted ECMP for a second anycast IP") + + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip("skipped because of router(s) failure") + + r1 = tgen.gears["r1"] + r2 = tgen.gears["r2"] + + # Configure anycast IP on additional server r7, r9 and r10 + logger.info("Configure anycast IP on server r7, r9 and r10") + + tgen.net["r7"].cmd("ip addr add 198.10.1.11/32 dev r7-eth1") + tgen.net["r9"].cmd("ip addr add 198.10.1.11/32 dev r9-eth1") + tgen.net["r10"].cmd("ip addr add 198.10.1.11/32 dev r10-eth1") + + # Check link-bandwidth and weighted ECMP on super-spine router r1 + logger.info("Check link-bandwidth and weighted ECMP on super-spine router r1") + + json_file = "{}/r1/bgp-route-4.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show bgp ipv4 uni 198.10.1.11/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + json_file = "{}/r1/ip-route-3.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show ip route 198.10.1.11/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=50, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + +def test_paths_with_and_without_linkbw(): + "Test #6: Test paths with and without link-bandwidth - receiver should resort to regular ECMP" + logger.info( + "\nTest #6: Test paths with and without link-bandwidth - receiver should resort to regular ECMP" + ) + + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip("skipped because of router(s) failure") + + r1 = tgen.gears["r1"] + + # Configure leaf router r6 to not advertise any link-bandwidth + logger.info("Configure leaf router r6 to not advertise any link-bandwidth") + + tgen.net["r6"].cmd( + 'vtysh -c "conf t" -c "router bgp 65303" -c "address-family ipv4 unicast" -c "no neighbor 11.1.3.1 route-map anycast_ip out"' + ) + + # Check link-bandwidth change on super-spine router r1 + logger.info("Check link-bandwidth change on super-spine router r1") + + json_file = "{}/r1/bgp-route-5.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show bgp ipv4 uni 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + # Check super-spine router r1 resorts to regular ECMP + logger.info("Check super-spine router r1 resorts to regular ECMP") + + json_file = "{}/r1/ip-route-4.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show ip route 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=50, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + json_file = "{}/r1/ip-route-5.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show ip route 198.10.1.11/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=50, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + +def test_linkbw_handling_options(): + "Test #7: Test different options for processing link-bandwidth on the receiver" + logger.info( + "\nTest #7: Test different options for processing link-bandwidth on the receiver" + ) + + tgen = get_topogen() + if tgen.routers_have_failure(): + pytest.skip("skipped because of router(s) failure") + + r1 = tgen.gears["r1"] + + # Configure super-spine r1 to skip multipaths without link-bandwidth + logger.info("Configure super-spine r1 to skip multipaths without link-bandwidth") + + tgen.net["r1"].cmd( + 'vtysh -c "conf t" -c "router bgp 65101" -c "bgp bestpath bandwidth skip-missing"' + ) + + # Check super-spine router r1 resorts to only one path as other path is skipped + logger.info( + "Check super-spine router r1 resorts to only one path as other path is skipped" + ) + + json_file = "{}/r1/ip-route-6.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show ip route 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + json_file = "{}/r1/ip-route-7.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show ip route 198.10.1.11/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + # Configure super-spine r1 to use default-weight for multipaths without link-bandwidth + logger.info( + "Configure super-spine r1 to use default-weight for multipaths without link-bandwidth" + ) + + tgen.net["r1"].cmd( + 'vtysh -c "conf t" -c "router bgp 65101" -c "bgp bestpath bandwidth default-weight-for-missing"' + ) + + # Check super-spine router r1 uses ECMP with weight 1 for path without link-bandwidth + logger.info( + "Check super-spine router r1 uses ECMP with weight 1 for path without link-bandwidth" + ) + + json_file = "{}/r1/ip-route-8.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show ip route 198.10.1.1/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + json_file = "{}/r1/ip-route-9.json".format(CWD) + expected = json.loads(open(json_file).read()) + test_func = partial( + topotest.router_json_cmp, r1, "show ip route 198.10.1.11/32 json", expected + ) + _, result = topotest.run_and_expect(test_func, None, count=200, wait=0.5) + assertmsg = "JSON output mismatch on super-spine router r1" + assert result is None, assertmsg + + +if __name__ == "__main__": + args = ["-s"] + sys.argv[1:] + sys.exit(pytest.main(args)) |