We don't have a large network. We used to have three routers at OSPF area 0. But now we plan to replace them by one big, new router. Is it ok if we only have one node in area 0? What interface should be configered as area 0 then, the loopback? Thanks...

I had a discussion with my co-workers and we had doubts with two questions1. if a link if unplugged from a router port, - will all the routes learned from that port be flushed immidiately from the routing table or - will the router mark the metric as...

Trying to config multicast, the rest of the network is using PIM-SM and stiatic RP. But there is one router that supports DVMRP only. Could I use these two protocols or should I enable DVMRP for the rest of the network. Problem is the multicast serve...

We are considering using private IP addresses on our LAN switches. Is there any issues we need to consider while doing this, like preventing other users from using these address? Or any other suggestions?