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Cisco Bug: CSCta47279 - c871/L2TPv3: xconnect interface not set to promiscuous mode

Last Modified

Jan 31, 2017

Products (1)

  • Cisco 800 Series Routers

Known Affected Releases

12.4(24)T1 12.4T

Description (partial)

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).
c871 has to be used with affected software e.g. 12.4(20)T3, 12.4(24)T1, etc.
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