[c-nsp] port channel load balancing best practices?

Benjamin Lovell belovell at cisco.com
Wed Mar 9 12:51:31 EST 2011


I don't know that there is a hard and fast port-channel hashing best practice. It all depends on your traffic patters and what's best for you. 

I guess the most obvious question would be is your link load approx even? If not does the highest loaded one see any drops? 

-Ben

On Mar 7, 2011, at 7:58 PM, Christian MacNevin wrote:

> HI
> 
> So I'm seeing some weird problems with a video conf product and it definitely seems to be down to network location.
> 
> Part of what I'm looking at is that we're port channeling between a 65 and a 4900. The 65 is configured to use: 
> 
> port-channel per-module load-balance
> port-channel load-balance src-dst-mixed-ip-port
> 
> Is that more or less considered best practice these days? Obviously there's a mix of UDP latency sensitive stuff and TCP on the line.
> 
> Cheers
> Christian.
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