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New Member

What IOS image for 2610 will support IP CEF?

I have a 2610 with 24MB RAM and 8MB flash. I found that IOS 12.1 will support it. But which minimal feature version of 12.1 I should get in order to use CEF load balancing as I'm limited on RAM and flash. What IOS image would do the trick? Thanks.

2 ACCEPTED SOLUTIONS

Accepted Solutions

Re: What IOS image for 2610 will support IP CEF?

12.1(1) would work just fine.

Re: What IOS image for 2610 will support IP CEF?

IP only feature set can be used.

12.1(1) is the minimum in the 12.1 ios RANGE YOU CAN USE.

What you have is a 12.1(17). It also supports CEF in a IP only feature set. Hardware requirements are just fine, 8mb flash/ 24 mb ram.

You can even upgrade the IOS to a 12.2 range, 12.2(12) or 12.2.(12a) with a IP only feature set with the same hardware requirements.

4 REPLIES

Re: What IOS image for 2610 will support IP CEF?

12.1(1) would work just fine.

New Member

Re: What IOS image for 2610 will support IP CEF?

You mean it's in any feature? So the image c2600-i-mz.121-17.bin with only IP features would do OK? Thanks again.

--Chuck

Silver

Re: What IOS image for 2610 will support IP CEF?

Cef became the default switching mechanism in 12.0

Re: What IOS image for 2610 will support IP CEF?

IP only feature set can be used.

12.1(1) is the minimum in the 12.1 ios RANGE YOU CAN USE.

What you have is a 12.1(17). It also supports CEF in a IP only feature set. Hardware requirements are just fine, 8mb flash/ 24 mb ram.

You can even upgrade the IOS to a 12.2 range, 12.2(12) or 12.2.(12a) with a IP only feature set with the same hardware requirements.

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