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# OSPFv3 (IPv6) Topology Test
## Topology
-----\
SW1 - Stub Net 1 SW2 - Stub Net 2 \
fc00:1:1:1::/64 fc00:2:2:2::/64 \
\___________________/ \___________________/ |
| | |
| | |
| ::1 | ::2 |
+---------+---------+ +---------+---------+ |
| R1 | | R2 | |
| FRRouting | | FRRouting | |
| Rtr-ID: 10.0.0.1 | | Rtr-ID: 10.0.0.2 | |
+---------+---------+ +---------+---------+ |
| ::1 | ::2 \
\______ ___________/ OSPFv3
\ / Area 0.0.0.0
\ / /
~~~~~~~~~~~~~~~~~~ |
~~ SW5 ~~ |
~~ Switch ~~ |
~~ fc00:A:A:A::/64 ~~ |
~~~~~~~~~~~~~~~~~~ |
| /---- |
| ::3 | SW3 - Stub Net 3 |
+---------+---------+ /-+ fc00:3:3:3::/64 |
| R3 | / | /
| FRRouting +--/ \---- /
| Rtr-ID: 10.0.0.3 | ::3 ___________/
+---------+---------+ \
| ::3 \
| \
~~~~~~~~~~~~~~~~~~ |
~~ SW6 ~~ |
~~ Switch ~~ |
~~ fc00:B:B:B::/64 ~~ \
~~~~~~~~~~~~~~~~~~ OSPFv3
| Area 0.0.0.1
| ::4 /
+---------+---------+ /---- |
| R4 | | SW4 - Stub Net 4 |
| FRRouting +------+ fc00:4:4:4::/64 |
| Rtr-ID: 10.0.0.4 | ::4 | /
+-------------------+ \---- /
-----/
## FRR Configuration
Full config as used is in r1 / r2 / r3 / r4 / r5 subdirectories
Simplified `R1` config (R1 is similar)
hostname r1
!
interface r1-stubnet
ipv6 address fc00:1:1:1::1/64
ipv6 ospf6 network broadcast
!
interface r1-sw5
ipv6 address fc00:a:a:a::1/64
ipv6 ospf6 network broadcast
!
router ospf6
router-id 10.0.0.1
log-adjacency-changes detail
redistribute static
interface r1-stubnet area 0.0.0.0
interface r1-sw5 area 0.0.0.0
!
ipv6 route fc00:1111:1111:1111::/64 fc00:1:1:1::1234
Simplified `R3` config
hostname r3
!
interface r3-stubnet
ipv6 address fc00:3:3:3::3/64
ipv6 ospf6 network broadcast
!
interface r3-sw5
ipv6 address fc00:a:a:a::3/64
ipv6 ospf6 network broadcast
!
interface r3-sw6
ipv6 address fc00:b:b:b::3/64
ipv6 ospf6 network broadcast
!
router ospf6
router-id 10.0.0.3
log-adjacency-changes detail
redistribute static
interface r3-stubnet area 0.0.0.0
interface r3-sw5 area 0.0.0.0
interface r3-sw6 area 0.0.0.1
!
ipv6 route fc00:3333:3333:3333::/64 fc00:3:3:3::1234
## Tests executed
### Check if FRR is running
Test is executed by running
vtysh -c "show logging" | grep "Logging configuration for"
on each FRR router. This should return the logging information for all daemons registered
to Zebra and the list of running daemons is compared to the daemons started for this test (`zebra` and `ospf6d`)
### Verify for OSPFv3 to converge
OSPFv3 is expected to converge on each view within 60s total time. Convergence is verified by executing (on each node)
vtysh -c "show ipv6 ospf neigh"
and checking for "Full" neighbor status in the output. An additional 15 seconds after the full converge is waited for routes to populate before the following routing table checks are executed
### Verifying OSPFv3 Routing Tables
Routing table is verified by running
vtysh -c "show ipv6 route"
on each node and comparing the result to the stored example config (see `show_ipv6_route.ref` in r1 / r2 / r3 / r4 directories). Link-Local addresses are masked out before the compare.
### Verifying Linux Kernel Routing Table
Linux Kernel IPv6 Routing table is verified on each FRR node with
ip -6 route
Tables are compared with reference routing table (see `ip_6_address.ref` in r1 / r2 / r3 / r4 directories). Link-Local addresses are translated after getting collected on each node with interface name to make them consistent
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