[alcatel-nsp] unbalanced traffic on GigEs in a LAG

Ryan Landry Ryan.Landry at TELUS.COM
Mon Mar 8 16:56:56 EST 2010


On 2010-03-08, at 2:16 PM, Scott Weeks wrote:

> 
> 
> --- Wim.Henderickx at alcatel-lucent.com wrote:
> From: "HENDERICKX Wim" <Wim.Henderickx at alcatel-lucent.com>
> 
> No we don't have that. We recently did a test where we had a lag link of 4 links and we had almost equal traffic balancing with r8.
> --------------------------------------------------
> 
> 
> I'm not so worried about them being almost equal.  I am worried about them being *very* unbalanced and I was hoping to have a way to see if there is anything wrong when the configs are the same as other LAGs that are not exhibiting this behavior.
> 
> On one pair of 7750s:
> 
> Gig 1 LAG 1: 42Mbps
> Gig 2 LAG 1: 550Mbps
> 
> More than 10 times difference
> 
> 
> 
> on different 7750s:
> 
> Gig 1 LAG 2: 65Mbps
> Gig 2 LAG 2: 230Mbps
> 
> 3.5 times difference.
> 
> 
> Other LAGS we have are much closer in traffic levels.
> scott
> 
also, what is 'tools dump lag lag-id <blah>' showing you for each port's bandwidth?




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