Cisco Bug: CSCsz56382 - Tunnel0 interface not usable (reset/down) on hub or spoke
Feb 15, 2018
- Cisco IOS
Known Affected Releases
12.4(15)T1 12.4(15)T9 12.4(24.6)PI11q 12.4(24.6.7)PIL12 12.4(9)T7 15.1(0.2)PI12e 15.1(24.6.13)PIL13
Symptoms: The Tunnel0 interface used on a DMVPN hub is reporting "Tunnel0 is reset, line protocol is down" or no traffic is passing through this interface anymore. The IKE and IPSec SAs may still be up, but only the decaps counters will be seen increasing, not the encaps counters. Conditions: This symptom is observed on Cisco 2821 routers that are running Cisco IOS Releases 12.4(9)T7 or 12.4(15)T9. Other platforms and releases may be affected.
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