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Cisco Bug: CSCuw30054 - IPv6 URPF not working as expected

Last Modified

Mar 17, 2016

Products (1)

  • Cisco uBR10000 Series Universal Broadband Routers

Known Affected Releases

12.2(33)SCH

Description (partial)

Symptom:
Upstream traffic from CPE behind eRouter will be dropped if uRPF enabled, and eRouter LLA cleared from IPv6 neighbor cache.

Conditions:
1. eRouter 
2. "ipv6 verify unicast source reachable-via rx allow" onfigured on bundle 
3. eRouter LLA removed from IPv6 neighbor cache
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  • Status
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