this is regaring STP BPDU ...when i run a sniffer of my PC and sniff the THE ethernet ..i see BPDU messages there....y is this...?? y is my PC NIC recieving BPDU's??? it shud be with the swithces right
and tell me whether BPDU is sent on everyport??? i thought it shud be between the uplinks of the siwtches...and even i recieve ISL pakets...y is this??
Does BPDU whicgh is sent at every 2 sec add up to ur Trafic?
Check to see if you port is a trunk port or if maybe it is set as a mirror port destination. Some higher end switches (ie 4006, 4500, 6500) can disable sending and recieving BPDU on specified or all ports.
[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...