Yeah good point… first question that comes to mind is why upstream provider 
connection is connected to a switch … why not go from router to provider and 
then router to the switch keeping all “downstream” traffic in the switch 


> On Nov 5, 2016, at 9:14 AM, Josh Reynolds <[email protected]> wrote:
> 
> With the limited information you've given, I'd put money on microbursts.
> 
> For all your traffic higher than 1Gbps, that data has to get buffered on 
> egress ports of devices. Eventually, traffic will get dropped to make room 
> for new traffic. This is far worse in places where you may also have 100Mbps 
> ports.
> 
> "doesn't seem to be affecting the wan side of my router which connects to 
> peers through the same switch" this was the kicker to me, combined with the 
> "~2Gbps" line.
> 
> 
> On Nov 5, 2016 3:12 AM, "TJ Trout" <[email protected] <mailto:[email protected]>> 
> wrote:
> I have a 10G switch that is switching everything of mine at my NOC, including 
> peers, router wan, router lan, uplink to tower, etc
> 
> During peak traffic periods ~2gbps I'm seeing 1% packet loss and throughput 
> will drop to 0 for just a second and resume normal for a few minutes before 
> dropping back to zero for just a second. doesn't seem to be affecting the wan 
> side of my router which connects to peers through the same switch. Doesn't 
> happen during the day with low periods of traffic.
> 
> I've enabled / disabled STP, Flow control.
> 
> I believe I've isolated it to not be a single port, possibly have a bad 
> switch but that seems hard to believe...
> 
> Ideas?
> 

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