![]() ![]() I'm at a loss, and I have no idea where to go from here short of calling TAC.Īre the fex ports dropping or just 10Gb ports on the 5548? Could you post the running config and sh int of a couple of the ports that are having the issue and list what they are connected to? If you run a sh log last 100, are there any interesting errors? I'd like to help.this one is kind of interesting.Īctually, there is - it looks like a flow control issue. The offending ports are just configured as access ports, vlans assigned, spanning-tree port type set to edge. I finally got the storage array back up by plugging the SFP's into two ports on the switch that I had left unconfigured for future use, and configuring the vlans. Unplug the cable and plug it back in, no change. Literally the link light on the switch (and most of the time, on the card) goes dark, and sh int shows "Link not connected". What I have found since the installation is, the interfaces are dropping. ![]() We have a rack in a colo facility, and this past weekend we upgraded the switching gear in that rack from Cisco 3750G's to a Nexus5548P w/元 card and N55-M16UP module, two 2148T FEXs, added 10Gbe cards to our hypervisor hosts, and installed a storage array with 10Gbe interfaces. So, I've encountered a problem that I'm having a hard time wrapping my mind around here. ![]()
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