We have a WS-C4500X-32 and have recurring problems with it:
If the port of entering the LACP Port-channel pull out module or disconnect fiber, then after some time the port hangs with the message
"%C4K_HWPORTMAN-3-TXQUEDRAINFAILURE: Failed to drain transmit Failed to drain transmit queues on Switch Phyport Te1/XX using slot pool 65535" and after return back this port does not send traffic. Corrected only reboot.
How without reboot withdraw port out of this state?
And today rebooted with the following diagnosis after a few weeks of working:
[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...