changing trunk protocol on cisco switches

0 pts.
Tags:
Cabling
Cisco
Hardware
Hubs
Network protocols
Routers
Switches
Anyone who has done a change on trunk protocol in a live 24/7 environment. My main question is if all trunks will go down during the change? The net consist of 7 switches and on one of them is an tftp server from which I hope that I can download the configs needed. If all switches are in a long chain can the tftp be accessed if its on the first switch and I start working from 7 and down?
ASKED: January 27, 2006  7:13 AM
UPDATED: January 27, 2006  11:46 AM

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You should think of your TFTP server as the center and start with the most distant switch. Then work your way in one step at a time. Depending on your architecture, your router location may complicate this. Hopefully your TFTP server is directly connected to your central router/switch or all switches are managed on the same VLAN.

I did something similar when I configured trunking on part of our backbone. I remotely configured the end switch and lost connectivity to it. When I configured the next switch in line, (the router), it came back up.

The disadvantage to this method is if you make a mistake you won’t have remote access to the switch. Be prepared to go to the console if things go wrong.
rt

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