I have 4 N5ks ( 2 in each cage) and as per management request we set up a link between the existing N5k that is in the old cage and fully configured and running VPC to its mate and a single N5k in a new cage
we connected them using a 10Gig OM3 fiber and cisco FETs. we utilized the E1/30 on one side and E1/11 on the new cage side ...
disabled BPDU guard on both ... but it seems like after several hours of link up ..the link just shuts down and we cant bring it up unless we reboot the new cage N5k. In logs it shows: that the traffic flow send link down ... and then when i try shut no shut the next i see in logs is admin down but it doesnt show admin down on the interface itself only in logs...
[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...