Cisco Bug: CSCta47279 - c871/L2TPv3: xconnect interface not set to promiscuous mode
Jan 31, 2017
- Cisco 800 Series Routers
Known Affected Releases
Symptom: Unidirectional L2TPv3 tunnel when c871 is used. Unicast frames do not get forwarded because local interface is not set to promiscous mode. ARP are learned correclty (as they are bcasts). Conditions: c871 has to be used with affected software e.g. 12.4(20)T3, 12.4(24)T1, etc.
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