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RIP neighbor traffic is not working after an upgrade to R80.20 Technical Level
Symptoms
  • After an upgrade from R77.30 to R80.20, RIP neighbor traffic does not work, and all the routes from the routers are missing.

  • When SecureXLis disabled, the neighbor traffic is working again.

  • For routers which use RIPv1, there is no issue. Changing the router configuration to work with RIPv2 only, the issue is coming back.

Cause

RIPv2 packets has TTL=2, and the Security Gateway is trying to accelerate RIPv2 packets if 
the ttl < 1, which is incorrect.


Solution
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