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Meoery upgrade for redundent SUP720

Hi,

We have one Catalyst 6513 with 2 WS-SUP720-BASE, IOS version is 12.2(18) SXD3, running SSO mode, both SUP720 have 512MB memory. We want to upgrade both SUP720 to 1GB memory.

1. Is there anyone can give me correct procedure to upgrade both SUP720 memory to 1GB and minimum the downtime?

2. The 2 SUP720 will have different memory size during the memory upgrade ( one is 1GB, another ont is 512MB ). Is it ok if 2 SUP720 have different memory size in SSO mode?

Best Regards,

Jackson Ku

3 REPLIES

Re: Meoery upgrade for redundent SUP720

Hi Jackson,

Please find the link attached.

http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/cfgnotes/78_15538.htm

The sup720's with diff memory will work but its always recommended to have same hardware and software on both the sup engine so as to minimize any hardware level issues.

HTH,

-amit singh

New Member

Re: Meoery upgrade for redundent SUP720

Hi,

Thanks for your reply, but I must replace the primary SUP720 memory first, or standby SUP720 first to minimun the Cat6513 downtime?

Best Regards,

Jackson Ku

Re: Meoery upgrade for redundent SUP720

Hi

Would suggest to upgrade the standby first and let it reboot and be functional .

Once it comes online do forceful switchover from Active to standby and upgrade the active module .

Then you can bring back the module back to Active state using forceful switchover..

regds

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