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One interesting thing that might be playing into it is that ae5 is split across both the 4500, and the 4550.  I wonder if the issue is only when traffic goes from the 4200 to the 4500, and not the 4200 to the 4550.

 

From: MICE Discuss [mailto:[log in to unmask]] On Behalf Of Matthew Beckwell
Sent: Monday, September 19, 2016 3:30 PM
To: [log in to unmask]
Subject: Re: [MICE-DISCUSS] EX4200 (1G Switch) Packet Loss -> 10G Participants

 

10M UDP testing to Steve's network at Paul Bunyan (egress ae5), doesn't appear to have any loss.

 

The same 10M UDP test to US Internet, egress xe-0/0/14 shows about 3-5% loss.

Again, same 10M UDP test to the same US Internet destination IP forced out another transit provider shows 0 loss.

 

This is certainly interesting....I'm not sure what's special about xe-0/0/14 vs ae5.

Some kind of buffer or queue difference?

 

~Matthew

 

 

On Mon, Sep 19, 2016 at 2:03 PM, Steve Howard <[log in to unmask]> wrote:

 

On 09/19/2016 01:49 PM, Matthew Beckwell wrote:

 

As to whether there's loss to one of the "remote" switches, I'm not sure....

If one of the Neutral Path/Mankato Networks/ CNS connected participants would be up for running iperf for a little while, we could find out fairly quickly.

 


We've opened up our iperf3 server on 209.191.196.90 for a few hours.

 


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