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OSPFv3 (over IPv6) inter area routes are not distributed to backbone area by Security Gateway on Gaia OS
| Solution ID |
sk108157 |
| Product |
Security Gateway, ClusterXL, Cluster - 3rd party, VSX |
| Version |
R75.40, R75.40VS, R75.45, R75.46, R75.47, R76, R77, R77.10, R77.20, R77.30 |
| OS |
Gaia |
| Platform / Model |
All |
| Date Created |
12-Oct-2015
|
| Last Modified |
12-Oct-2015
|
Symptoms
In the following example topology, the OSPFv3 over IPv6 routes from "area X" are not seen on the OSPFv3 neighbor "Router 1":
[No neighbors]---(area X)---eth2[GW on Gaia OS, IPv6, OSPFv3]eth1---(backbone area 0.0.0.0)---[Router 1, IPv6, OSPFv3]
If an OSPFv3 neighbor "Router 2" is added in "area X" (as ABR), then OSPFv3 over IPv6 routes from "area X" appear on the "Router 1" as expected:
(backbone area 0.0.0.0)---[Router 2, IPv6, OSPFv3, ABR in "area X"]---(area X)---eth2[GW on Gaia OS, IPv6, OSPFv3]eth1---(backbone area 0.0.0.0)---[Router 1, IPv6, OSPFv3]
OSPFv2 over IPv4 in the same topology (without OSPFv3 neighbors in "area X") works as expected.
Cause
Router and Intra-Area-Prefix LSA (LS Type 0x2009) for OSPFv3 are not generated if the area has no links (OSPFv3 uses Intra-Area Prefix LSA (LS Type 0x2009) to advertise IPv6 prefixes that are associated with router itself and stub/transit network segment.)
Solution
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