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So here's my question; do sub-interfaces automatically route traffic without a routing protocol enabled? This is just one little detail either I missed or forgotten.
interface Serial0/0 no ip address encapsulation frame-relay clock rate 2000000!in...
I have a cisco catalysts 3500 XL with a version 12.0 IOS. Had the same issue. For the Vlan I wanted as management I had to go to: sw2(config)#int vlan55sw2(config-subif)#management Which then moved the management vlan over from 1 to vlan55 and shutdo...