Cisco iOS upgradation

Unanswered Question
Sep 9th, 2008

Hi..

1> I have cisco 4000 router, Version 11.2(16).Router is going ver slow.There is no ACLs,not any routing protocls,only statis routes are there.What can be the cause??Every time there is high %age of IP Input process.

2> I want to upgrade its IOS.From where I can download the IOS.is there need of registered users of cisco to download IOS.

Please tell me.

Thanks,

-Sanjeev

I have this problem too.
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satya.singh Tue, 09/09/2008 - 02:01

Hi, Request to elaborate the symptoms a bit more, like slow response in app behavior, etc, time pattern for slow response etc. Also, is it 4000 or 4000-M router?

11.2(16) itself is a very old IOS and obvious reasons for it being buggy, you may wish to upgrade the IOS basis the available memory. You would need a valid CCO account for this.

IOS Planner: http://www.cisco.com/cgi-bin/Software/Iosplanner/Planner-tool/iosplanner.cgi?get_crypto=&data_from=

Software Upgrade Procedure: http://www.cisco.com/en/US/products/hw/routers/ps259/products_tech_note09186a00801fc986.shtml

ror.sanjeev Tue, 09/09/2008 - 02:33

Hi..Thanks for the immediate response.

This is :

IOS (tm) 4000 Software (C4000-J-M), Version 11.2(16), RELEASE SOFTWARE (fc1)

slow response in terms of CPU utilization:

CPU utilization for five seconds: 48%/25%; one minute: 43%; five minutes: 44%

sometimes it goes very high around 90%.

Please tell me what is CCO account,is it the registered customer of Cisco who have purchased the cisco products from cisco .

Thanks again.

-Sanjeev

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