hello, sorry to bother you all, really need your kind help. Currently we are using catalyst4007 and just upgarded it with new 48 ports 10/100/1000 module. But after the IOS upgrade to 12.2 and installation of the new module a problem came out. When we try to link this Catalyst4007 to our cisco 2950 the error came out - DOMAINMISMATCH: Unable to perform trunk negotiation on port Gi2/01 because of VTP domain mismatch.What is the problem actually, we really need your kind advice in order us to solve this problem. Thnak you
You "must" match the vtp domain name on each switch in order for the trunk to come up . Cisco has never made the parameters on this function consistent , some switches you do not have to match the domain names (catos) and others like the 4506 you must match the domain names...
[toc:faq]The ProblemOn traditional switches whenever we have a trunk
interface we use the VLAN tag to demultiplex the VLANs. The switch needs
to determine which MAC Address table to look in for a forwarding
decision. To do this we require the switch to do...
[toc:faq]Introduction:Netdr is a tool available on a RSP720, Sup720 or
Sup32 that allows one to capture packets on the RP or SP inband. The
netdr command can be used to capture both Tx and Rx packets in the
software switching path. This is not a substitut...
IntroductionOSPF, being a link-state protocol, allows for every router
in the network to know of every link and OSPF speaker in the entire
network. From this picture each router independently runs the Shortest
Path First (SPF) algorithm to determine the b...