We have many ISR4451 routers.  We've been using DNAC to upgrade code and so far it's been fine.  These routers and stand-alone (no SD-WAN) and have the boot var set to the .bin file.  Recently, after DNA-C does an upgrade, the router fails to come ba...

I have a single 3802i with CME 8.5.151.  The wireless clients can ping their default gateway and any other wireless host.  These same wireless clients cannot ping any non-wireless (aka wired) host on the same subnet.  I've been looking through the co...

I have a new DNAC system.  I'm trying to get it upgraded to 1.2.10.  It's running version 1.1.0.754 right now.  The system says it's up to date and I don't see the banner prompting me to to upgrade.  What am I missing? Thanks, Patrick 

I have a 4500-X VSS configuration.  It's running 3.6.6E.  I need to get to 3.8 and the release notes say to upgrade ROMMON to version 15.0(1r)SG11.  Can I upgrade ROMMON on one member switch at a time to avoid an outage of a full reboot?  My current ...

I have several ISR4351 routers that I am upgrading from 4G to 16G of flash.  The new flash memory is not showing the correct size.  I've tried a couple of new flash modules and both have the same result.   Running "show file system" with the new flas...