I had a 4431 running 16.12.4 with a working port-channel to a stack of switches. The channel-froup was set to active on the router. Upgraded the code to 16.12.5 and the configuration under the interface went from channel-group 2 mode active to channel-group 2. If I do a show startup the configuration is correct. I removed the channel-group from the interfaces and added it back correctly and saved the configuration. Just tested another reboot and seeing the same behavior. I fixed it again but now considering reverting back to 16.12.4. Is this a known issue?
Raise a TAC Case. This is a known issue: CSCvw74609
NOTE: Since the release of 16.12.5 for ASR 4000, this is the FOURTH time I have seen this (two here at CSC and another two from "other" forums) issue being reported.
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