I am using a CISCO 3550 Multilayer switch with theIOS version 12.1(11)EA1. I am configuring Virutal link with the following commands :**********************************************cisc0(config)#router ospf 10 cisco(config-router)# area 1.1.1.1 virtua...

I am sending a IPv4 message with TTL value of 0from a Router 1 to Router 2 will loose source and record route option containing the Router 3 in its Route data area list . Router 1 is connected to Router 2 which is connected to Router 3.Router 2 gives...

I am a protocol tester.When a superior BPDU is sent to a switch port which is already in forwarding state, I want toknow whether the forwarding state will be broken and the port will issue a new proposal on its designated ports