Cisco Bug: CSCuj68932 - Tunnel Authentication was failed by digest AVP 59 missing.
Jan 28, 2017
- Cisco ASR 1000 Series Aggregation Services Routers
Known Affected Releases
15.2(4)S2 15.3(1)S1 15.3(3)M
Symptom: L2TPv3 tunnel with digest fails to establish. Cisco IOS device gives the following messages when "debug l2tp all" and "debug l2tp packet detail" are enabled: L2TP _____:________: ERROR: SCCRQ AVP 59, vendor 0: unknown L2TP _____:________: Unknown IETF AVP 59 in CM SCCRQ Conditions: This issue is observed when IOS device peers with non-IOS device that sends IETF L2TPv3 digest AVP (IETF AVP 59) in L2TP control message. This issue is present in S images starting from Cisco IOS Release 12.2(33)XNC and in T train from Cisco IOS Release 15.3(2)T.
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