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Recently replaced a 3845 in my Data Center with a ISR 4331. Used the same Fiber SFP that was in the 3845 in the 4331. My network monitor is showing my WAN interface and completely down. This is the output from the sh interface:DALLAS-4331#sh int g0/...
I am unable to ping the provider. DALLAS-4331#sh runBuilding configuration... Current configuration : 22225 bytes!! Last configuration change at 10:29:41 CDT Wed Oct 16 2019 by admin!version 16.6no service padservice tcp-keepalives-inservice tcp-kee...
I encountered the issue when performing an upgrade on some of our equipment. That command was supported in IOS 12.X etc however these ISR 4331s runnining IOS 16.9 don't support that command. I assume you probably copied an old startup config and tran...