We have dozens of 7700s in our data centers and I have configured my 7700's NTP exactly like the many which appear to be working properly BUT whenever I type 'show clock' on this 7700 I see the following: Warning: No NTP peer/server configured. Time ...

A user reached out to explain that a system reported that it lost connectivity to a couple of other systems.  When he logs into the system (via RDP) which generated the alarm and performed pings and traces to the other systems, they work.  10 minutes...

Here's the basic background:The remote site as two connections back to the data centers.  Single DMVPN cloud per transport.  Transports are MPLS and Internet.  On the Internet side there is a device, inline, that encrypts the GRE traffic (long story,...

The topology is like this (sorry this is the best I could do in draw.io):     The router in the middle is a GRE head end router.  Traffic coming into Gi0/0/0 and Gi0/0/1 is native IP and traffic going out Gi0/0/2 is GRE-encapsulated traffic (not enc...

I ran into an interesting issue today and thought it'd be nice to share since we didn't have much luck finding an answer on The Google.  Here's the gist of the issue.  We have ZBFW features enabled on a 4331.  We have only two zones; INSIDE and INTER...