[c-nsp] Load-balancing

Rodney Dunn rodunn at cisco.com
Mon Jun 18 16:13:20 EDT 2007


On Mon, Jun 18, 2007 at 03:55:28PM -0400, Paul Stewart wrote:
> Thanks Rodney.... will per-packet break any applications normally?  I used
> to hear stories about VOIP and other time sensative applications having
> issues with packets out of order etc... any truth or concern to that any
> longer?

;) You need to ask your application vendors. 

Seriously, sometimes it does affect them like ftp downloads and
other times it doesn't like web browsing.
It's hard to make a blanket statement about it.


> That L4 stuff will be VERY kewl ....
> 
> Paul
>  
> 
> -----Original Message-----
> From: Rodney Dunn [mailto:rodunn at cisco.com] 
> Sent: Monday, June 18, 2007 3:50 PM
> To: Paul Stewart
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] Load-balancing
> 
> 144_(config-if)#ip load-sharing ?
>   per-destination  Deterministic distribution
>   per-packet       Random distribution
> 
> CEF default isn't per destination it's a per src/dst hash.
> 
> We've added the ability to hash on L4 ports too it's just not shipping yet.
> 
> Rodney


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