I have a number of EOL and out-of-support Cisco products that are still in operation.  I'd like to install the last stable firmware that was released for them.  How do I do this?  Is there a way to buy access to all Cisco firmware without a support c...

I'd like to use OSPF NSSA in order to redistribute static routes into OSPF, but all I want from the upstream is the default route, like what I would get if I was using STUB.  I tried connecting NSSA to STUB in this manner:Upstream:router ospf 100area...

I have the following OSPF setup:Area 100---(OSPF cost 1000)---Router A---(10Gb link)---Router B----(OSPF cost 0)--Area 100"Area 100" is the same network and the same router, so this is really one big circle.  I desire to only use the link on Router A...

I have a couple new SG300's with software version 1.2.7.76 connected to a pair of 6500s.  They have only a couple of VLANs trunked to them.  However, each of them are insisting they are the root of the spanning tree, even though both of the 6500s hav...

A | \ |  >C | /BC is connected to A&B with 2Gb port channels.A&B are connected to each other with a 10Gb link.Right now, "show mac-address-table" show the mac addresses for C reachable directly over the link on B.  However doing the same on A does no...