We are given a MPLS backbone from a service provider. When we connect a L3 switch with HSRP and connect 3 IP we can ping all other location. But when we connect the 4th PC it cannot PINg Even the ARP table for the 4th PC shows Incomplete.The same is ...

I have L2 network with 4503 and 4507 switches running stp for redundancy. One switch is defined as the root switch by defining lowest priority 31440 others are all 61440. We are using it for some VOIP application and the failover time required is in ...