I have had first hand experience with SPAN on the 2900xl and 3500 switches that degrade performance.Since it was a production environment, I couldn't do the testing required to isolate the exact cause, however, I do know that port mirroring was to bl...
The fact that one router returns the physical and one returns the HSRP virtual address is probably just an issue of IOS. What versions are you running on these routers.The reason you might get the physical back is because of the way that traceroute ...
You can't use HSRP, but I've seen some success with using backup interface.Backup-interface will keep the interface down until the one its backing up goes down, then it comes up. You'll need to change the MAC address of the backup interface to the p...
If you're configuring DOT1Q trunking, you'll need to configure the main for the native VLAN. If you're using ISL, you only need to NO SHUT on the main.The order shouldn't matter either way.Mick.