Re: IP CEF required for NBAR what logic?

From: Nadeem Ansari (nadeem.ansari574@gmail.com)
Date: Fri Feb 20 2009 - 07:42:50 ARST

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As per my understanding Cisco by default uses CEF as its Switching Method to
forward packet, thats why Cisco insist on running CEF whenever you use some
Software features like NAT and NBAR

Regards
Nadeem

On Fri, Feb 20, 2009 at 11:27 AM, dave dave <funccie@gmail.com> wrote:

> Hi Expert,
>
> Why do we need to enable "ip cef" when using the "NBAR protocol", no
> explanation found on this. I have enable "ip cef" then configure "NBAR"
> then
> i removed "no ip cef" & "NBAR" was working fine :((( not understand the
> logic behind this.
>
> r1(config-if)#ip nbar protocol-discovery
> CEF or distributed CEF switching is required for NBAR 'protocol discovery'
> command
>
> Regards
> Dave
>
>
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• Next message: Ravi Singh: "Re: Fallback Bridging"
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