Ran into this one again on a router I recently purchased. In searching the
archives for the methodology, I realized I had not documented the procedure
anyplace last time I ran into this last September of so.
The bug: with versions of IOS 12.0, upgrade is impossible. Copy TFTP flash
fails
The
Speaking about upgrade bugs, I've found upgrade bug in 12.2.
Here is what is happening, and how to overcome it.
Hardware:
-
2600 with 8 MB flash, 12.2(8)T1 telco IOS loaded.
Problem:
There is 8MB flash, and I want to load 12.2(8)T2. show flash
shows that flash is 8MB. Do
This is not actually a bug.
Starting with 12.2(1) IOS, the 2600 and 3600 platforms support the
squeeze command. To get it to work, you have to reformat the flash
using a 12.2 image, which creates a log file used in the squeeze
process. That log is a few hundred K in size, and hidden.
The
Interesting.
Anyway, for practicing MPLS, 12.2(8)T5 telco feature set still
can run on 2600 with 8MB flash and 16 MB DRAM :)
Sasa
Shawn Heisey wrote:
This is not actually a bug.
Starting with 12.2(1) IOS, the 2600 and 3600 platforms support the
squeeze command. To get it to work, you
To: [EMAIL PROTECTED]
Subject: Re: Router IOS Upgrade bug in 12.1 images [7:52489]
Is your flash read-only? If so just change the config reg and reboot.
Marc Russell
Chuck's Long Road wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
I've done this before, and it's not l
Marc Russell wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
Is your flash read-only? If so just change the config reg and reboot.
of course the flash is read only. same as it was last time I upgraded, and
time before that!
I guess I have to relent and do it the hard way - not
[mailto:[EMAIL PROTECTED]]
Sent: 02 September 2002 01:09
To: [EMAIL PROTECTED]
Subject: Re: Router IOS Upgrade bug in 12.1 images [7:52489]
painful process.
I'm more concerned that a technique that I've used successfully many times
on these routers suddenly stops working. This is a by the book
Is your flash read-only? If so just change the config reg and reboot.
Marc Russell
Chuck's Long Road wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
I've done this before, and it's not like it's real tough, but.
I am trying to upgrade my IOS images. Neither the Router
Have you tried BOOT SYSTEM TFTP and then manually deleting the file? I had
an old 2501 I had to do that on that had a 10.x image on it.
Duncan
-Original Message-
From: Chuck's Long Road [mailto:[EMAIL PROTECTED]]
Sent: Sunday, September 01, 2002 4:01 PM
To: [EMAIL PROTECTED]
Subject:
Did you try booting directly to rommon and erasing the flash manually
first?
Dan
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
Chuck's Long Road
Sent: Sunday, September 01, 2002 2:01 PM
To: [EMAIL PROTECTED]
Subject: Router IOS Upgrade bug in 12.1
Chuck,
You may have to reboot to monitor mode delete the file and tftp the new one,
I did have the same problem
with a two old 2500r
Juan Blanco
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Chuck's Long Road
Sent: Sunday, September 01, 2002 4:01 PM
painful process.
I'm more concerned that a technique that I've used successfully many times
on these routers suddenly stops working. This is a by the book technique
that I haven't had problems with before, and is supposed to work.
Given that I have better things to do ( going to the
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