Last Modified: Oct 06, 2020
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Known Affected Versions:
11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4
12.0.0, 11.6.0 HF5, 11.5.1 HF5
Opened: Jul 12, 2014
Related AskF5 Article: K16706
Active and standby nodes are sending summary LSAs for a default route into a stub area with a metric value of 1. sh ip route displays default route with active and standby nodes as gateways.
The traffic from DR or BDR nodes in the stub area might be sent to the standby node.
HA pair is configured to be in an ospf session for a stub area with DR and BDR ospf routers. Area 0 is configured on the HA pair.
Standby node sends LSA summary for the default route with a value of 16777215. The OSPF routers in the stub area pick an active node as the gateway for the default route.