make a master or pear router with the IOS version you desire for upgrade-
conf t & TFTP-Server Flash <image name> (on the designated router).
When you copy tftp flash- make sure you can reach that IP (preferably a
loopback) of the designated router & perform the same steps you would with
an ordinary TFTP Server.
As far as effecting the running of things- it depends on what kind of IOS
you have & are installing. Some run partially RAM/ FLASH & some take the
normal FLASH into RAM for running. Don't forget to schedule a reload (say
60 minutes), just in case you lock your self out of the router. Nothing
more embarrassing than calling a site to have them reload the router.
Good Luck
Phil
----- Original Message -----
From: "Thomas" <[EMAIL PROTECTED]>
Newsgroups: groupstudy.cisco
To: <[EMAIL PROTECTED]>
Sent: Tuesday, March 06, 2001 10:39 PM
Subject: How to upgrade IOS remotely?
> Hi Group - I have couple of 2600 and 2500 routers in production. I wonder
> if there is a way to upgrade the IOS for these router remotely (or through
> the modem...)? I know that I cannot upgrade the IOS when I am running on
> the running-config.... Thanks in advance!
>
>
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