Cat 3550 EMI stop responding after delete vlan.dat
In an attempt to erase the entire content of my 3550 EMI , i executed the command "delete vlan.dat" and reloaded. Disappointedly the switch reloaded back and stop at the following stage as indicated by this output.
Compiled Fri 24-Aug-07 02:15 by myl
00:00:54: %CRYPTO-6-ISAKMP_ON_OFF: ISAKMP is OFF 00:00:54: %CRYPTO-6-ISAKMP_ON_OFF: ISAKMP is OFF 00:00:55: %LINK-5-CHANGED: Interface Vlan1, changed state to administratively down
Even pressing enter at this junction does not respond any longer.
Please help me urgent as the is stopping me from further lab work.
Re: Cat 3550 EMI stop responding after delete vlan.dat
I'm not sure I can give you a definitive answer, but I can try and talk it through with you.
When you delete the vlan.dat, you remove all the VLANs. Not immediately, but when you next reboot. Until the reload, it will carry on working normally, unless the VTP domain gets updated. Presumably it is not responding because of the lack of VLANs, but I cannot immediately see why. Were there any other changes at the same time?
If it is connected to another switch via a trunk, or via a link that could get negotiated into a trunk, then it will take the VTP from the neighbor. That might be upsetting it. Is it connected to a neighbor during the reboot?
By the fact that you can see some output, I presume you are accessing it through the console port. If you are accessing it through the console port, then it shouldn't matter that your management VLAN has been deleted. Unless you have some unusual configuration on your console port.
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