[c-nsp] FWSM traffic distribution across internal etherchannel

jack b j4bles at gmail.com
Tue Oct 27 19:56:22 EDT 2009


Wouldn't that only affect traffic from the 6500 to the FWSM?

On Tue, Oct 27, 2009 at 4:48 PM, <NMaio at guesswho.com> wrote:

> You have the same options that you normally do with all other
> etherchannels.  Use the following command to change the hashing algorithm.
>
> Keep in mind this affects all etherchannel in the chassis.
>
> Router(config)# port-channel load-balance {dst-ip | dst-mac | dst-port |
> src-dst-ip |
> src-dst-mac | src-dst-port | src-ip | src-mac | src-port}
>
> dst-ip—Load distribution on the destination IP address
> dst-mac—Load distribution on the destination MAC address
> src-dst-ip—Load distribution on the source XOR destination IP address
> src-dst-mac—Load distribution on the source XOR destination MAC address
> src-ip—Load distribution on the source IP address
> src-mac—Load distribution on the source MAC address
> src-port—Load distribution on the source port
> dst-port—Load distribution on the destination port
> src-dst-port—Load distribution on the source XOR destination port
>
>
> ________________________________________
> From: cisco-nsp-bounces at puck.nether.net [cisco-nsp-bounces at puck.nether.net]
> On Behalf Of jack b [j4bles at gmail.com]
> Sent: Tuesday, October 27, 2009 6:56 PM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] FWSM traffic distribution across internal etherchannel
>
> I have a FWSM running 2.3(4)11 in slot 4 of a 6509. I have noticed that I
> am
> getting unequal traffic distribution on the links that make up the ether
> channel bundle  between the FWSM and 6509.
>
> Here is a snapshot of the traffic distribution
>
> 4/1    in 28.99mbps    out 458.10mbps
> 4/2    in 12.37mbps    out 248.31mbps
> 4/3    in 960.86mbps  out 294.95mbps
> 4/4    in 34.07mbps    out 505.22mbps
> 4/5    in 15.08mbps    out 243.10mbps
> 4/6    in 950.63mbps  out 262.68mbps
>
> In is traffic from the FWSM to the switch and out is traffic from the
> switch
> to the FWSM.
>
> Is this normal operation, or is there a way to distribute the traffic from
> the FWSM to the switch more evenly?
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