I know remotely authenticate user accounts are created temporarily on the Nexus.  Is there documentation detailing this process?  I know one can show user-account to determine if an account is a remote or local account, but I want to know more about ...

I would like to know about FEX communication with the parent Nexus switch in a bit more detail.  I know the FEX is assigned an IP from 127.0.0.0/8 segment... but how is this actually used?  Is communication with the FEX itself encapsulated in the VN ...

I have a Cisco 837 ADSL out in the field. I am migrating it to a new VPN concentrator. The VPN comes up fine and the network is reachable, for about 7 minutes, then the line protocol on the Virtual-Access interface changes to down and the dialer lo...