I have a 6500 with Sup 720's that has several WS-6548-RJ-45s in it. One of the 6548s has an issue. The devices plugged in to it can ping the default gateway but cannot get off the subnet. All of the other 6548s in the same vlan are not having an i...

We have a ton of Cisco devices. Each with several interfaces. When troubleshooting, if you do a trace route, you see that none of the IPs will resolve to the router's name. This makes following the trace route difficult. Other than entering each ...

I have a 3750 stack that I want to add another switch to. Is there a procedure for this? Is there anything I have to do to the new switch before connecting it?

I have a 3550 EMI master with two 3550 SMIs in the cluster. The master has an IP and the two SMIs do not. I admin them with the rcommand from the master. I need to upgrade the code on all three switches. From the master, this is not a problem. H...

I have a PIX to PIX VPN and need to pass multicast traffic between the two sites. There is not any routers behind the firewalls, just phones that rely on the multicast for line appearance lights and conference calls. Can I configure the PIXs to pas...