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As you can see from my question, I have a VLAN configuration problem with a ProCurve 3500. The goal is to remove a VLAN from the existing configuration, however when I use the WEB UI to do this, I cannot modify ports to be assigned to a different VLAN or the Default VLAN. I always get the message "config failed", which is not very helpful.

When I try to do it over telnet, the router somehow partially crashes and the utilization on all ports is at 100% and I can barely use the web ui. After a reboot everything is fine again, but the configuration was not changed. The traffic after this partial crash looks like a broadcast storm, however there are definitely no loops in the segment.

I also updated to the latest stable firmware, but the problem persists.

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Try doing it from the console if you're having issues. This will let you monitor the switch. However, are you sure your config changes aren't breaking stuff? –  Dan Dec 4 '12 at 16:52
What firmware version are you on? –  ewwhite Dec 4 '12 at 16:53
Thanks for the quick reply, you mean over the serial port? I'll do that as soon as I can find an adapter to somehow connect to it... however I don't htink this configuration change should break anything, since this VLAN is not used and I just wanted to unassign the ports from the existing VLAN. Firmware version is K.15.08.0013 –  vm370 Dec 4 '12 at 16:58

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