Could be 2 things: an older boot ROM (not stable with 12.0) conflict (I
believe 11.3 came with a 11.0 ROM & 12.0 is suggested to have an 11.3 ROM),
or just a config (or NVRAM) conflict. Do you see a message when reloading,
that reads something like this... configs made in 11.XX may not be
compatible ??? From time to time, I've had to wiped NVRAM & re-installed
the config. 3rd scenario, is your new IOS a GR version ???
.02
Good Luck !!!
Phil
----- Original Message -----
From: "Charles Nunie" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, September 19, 2000 4:21 PM
Subject: Crazy 2611
> Hi everyone,
>
> We have two Cisco 2611 routers which we intend to use for VoIP for a
client.
> It has the 11.3(2) XA4 version of bootstrap and an 11.3T IOS which we
replaced
> with 12.0(7) XK1.
>
> Each time we issue commands like copy run start or write mem, it says:
>
> Attempting to overwrite an NVRAM configuration previously written by a
> different version of the system image and then asks for confirmation after
> which it reboots without making any permanent changes. It also says
system
> received a segV exception.
>
> Other confirguration commands like dial-peer voice..... pots, show run,
> more system: running - config etc. also causes the system to reboot in
which
> situation all configurations are lost.
>
>
> What could be wrong please.
>
>
> Regards,
> Francis Amanor
>
>
>
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