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New Member

IOS Upgrade


here is my sh ver from my cisco 2620 router.

Cisco Internetwork Operating System Software

IOS (tm) C2600 Software (C2600-IS-M), Version 12.1(5)T10, RELEASE SOFTWARE (fc2


TAC Support:

Copyright (c) 1986-2001 by cisco Systems, Inc.

Compiled Wed 08-Aug-01 08:52 by ccai

Image text-base: 0x80008088, data-base: 0x8101AD48

ROM: System Bootstrap, Version 12.1(3r)T2, RELEASE SOFTWARE (fc1)

MORRIS_PLAINS uptime is 5 days, 19 hours, 0 minutes

System returned to ROM by error - a SegV exception, PC 0x8079D7C8

System image file is "flash:c2600-is-mz.121-5.T10.bin"

cisco 2620 (MPC860) processor (revision 0x600) with 36864K/4096K bytes of memory


Processor board ID JAD05390H9D (3805878765)

M860 processor: part number 0, mask 49

Bridging software.

X.25 software, Version 3.0.0.

Basic Rate ISDN software, Version 1.1.

1 FastEthernet/IEEE 802.3 interface(s)

1 Serial network interface(s)

1 ISDN Basic Rate interface(s)

32K bytes of non-volatile configuration memory.

16384K bytes of processor board System flash (Read/Write)

Configuration register is 0x2102

my question is, does cisco have a tool to show me what IOS i can upgrade my router to? can i upgrade to the 12.4? or not? or what is the highest i can updgrade to and how much flash and ram will i need?

Hall of Fame Super Gold

Re: IOS Upgrade

When you have choosen the specific IOS you want, and before the IOS will be downloaded, the website will tell you the amount of FLASH and DRAM required.

New Member

Re: IOS Upgrade

ok, but how do i know which ios i can upgrade to?

VIP Super Bronze

Re: IOS Upgrade


Here is a link to get you started.

You need to have a CCO account in order to download software.

Click on 2600 series

Also, make sure you have enough memory and flash.



New Member

Re: IOS Upgrade

thank you,

do you know how i can get a cco account?

Hall of Fame Super Gold

Re: IOS Upgrade

Anyone can create a CCO account. But you need a service contract to download IOS, create TACs and others.