Re: IP CEF

You are doing per-destination load sharing and therefore it depends on which 'bucket' the hash lands in as to which adj it will use.

Check to see if you platform/IOS has the 'show ip cef exact-match' command which will show you when you give it a src/dst pair.

David

Sent from my iPhone
Please excuse any mistakes and brevity.

On 29 Dec 2012, at 08:16, Roy Khan <roykhan123_at_hotmail.com> wrote:

> Dear All,
> I need to know the behavior of below command, I have one switch and it
> connected to two routers and it receiving the 10.10.10.105 from both of
> them.the ip cef is enable i need to know using the below command it send the
> traffic to which router 10.161.127.2 & 10.160.127.2.
>
> TST#sh ip cef 10.10.10.105 internal 10.0.0.0/8, epoch 6, RIB[I], refcount 6,
> per-destination sharing sources: RIB feature space: Broker: linked
> ifnums: Port-channel11(1123): 10.160.127.2 Port-channel12(1123):
> 10.171.127.6 path 05CACAC0, path list 05CA40C8, share 1/1, type attached
> nexthop, for IPv4 nexthop 10.160.127.2 Port-channel11, adjacency IP adj out
> of Port-channel11, addr 10.160.127.2 061D19C0 path 05CAF884, path list
> 05CA40C8, share 0/1, type attached nexthop, for IPv4 nexthop
> 10.161.127.2Port-channel12, adjacency IP adj out of Port-channel12, addr
> 10.161.127.2061D1800 output chain: loadinfo 04CC801C, per-session, 2
> choices, flags 0003, 5 locks flags: Per-session, for-rx-IPv4 16 hash
> buckets < 0 > IP adj out of Port-channel11, addr 10.160.127.2 061D19C0
> < 1 > IP adj out of Port-channel12, addr 10.161.127.2061D1800 < 2 > IP
> adj out of Port-channel11, addr 10.160.127.2 061D19C0 < 3 > IP adj out of
> Port-channel12, addr 10.161.127.2061D1800 < 4 > IP adj out of
> Port-channel11, addr 10.160.127.2 061D19C0 < 5 > IP adj out of
> Port-channel12, addr 10.161.127.2061D1800 < 6 > IP adj out of
> Port-channel11, addr 10.160.127.2 061D19C0 < 7 > IP adj out of
> Port-channel12, addr 10.161.127.2061D1800 < 8 > IP adj out of
> Port-channel11, addr 10.160.127.2 061D19C0 < 9 > IP adj out of
> Port-channel12, addr 10.161.127.2061D1800 <10 > IP adj out of
> Port-channel11, addr 10.160.127.2 061D19C0 <11 > IP adj out of
> Port-channel12, addr 10.161.127.2061D1800 <12 > IP adj out of
> Port-channel11, addr 10.160.127.2 061D19C0 <13 > IP adj out of
> Port-channel12, addr 10.161.127.2061D1800 <14 > IP adj out of
> Port-channel11, addr 10.160.127.2 061D19C0 <15 > IP adj out of
> Port-channel12, addr 10.161.127.2061D1800 Subblocks: None
>
>
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Received on Sat Dec 29 2012 - 09:06:42 ART