When I issue the following command:mac-address-table static 01:00:5e:03:ca:f7 vlan 2 interface f1/0/20I get the following message:Supports only l3-ipmulticast addressesIs there a way to add this multicast address of my firewall or extend this limit?I...

Existing 6513 with 720 blade running Native 12.2SX, in production. New Sup 720 was shipped with CatOS (Hybrid). Need to convert this new 720 while the exisiting Cat 6513 w/ 720 IOS is in production. Is this possible? Any cco links on this?

Remote Sites are connecting Corporate via Frame. Every now and then, T1 starts to bounce (carrier issues). This causes IP Phones to register to local gateway (SRST). As soon as the T1 comes back up, Phones re-register with central site (call manage...

Initially the router was not even booting up. I used rommon to load another image and now the router boots up. One of the error that hasn't gone away is this:Error writing NVRAM ... cannot size NVRAMWhen i do sh ver, I see this line:0K bytes of non-v...

I have a 2600 router with internal csu/dsu T1 WIC:If I have a T1 line coming in from Telco which is giving me Voice on the first 12 channels and Data on channels 13-16. If for some reason I don't want to split the T1 and simply ignore the Voice chan...