We have a 4000 series switch with fiber connections to approx 20 3550 switches that are located in our IDF closets. We have approx 22 VLANs and each closet has its own VLAN. There are a few machines in various closets that are on different VLAN than the closet is using.
In an effort to reduce workload, convergence time, bandwidth, etc; I have edited the allowed vlans for each trunk port - something like this:
Old: set trunk 6/1 on dot1q 1-199
New: set trunk 6/1 on dot1q 1,3,5
Now I think to need issue the "vtp pruning v2" command on the edge switches. Is this the right way to go? Is there anything else I can do to help?
[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...