Thursday, January 17, 2019

High latency inbound to Azure

https://imgur.com/a/31FuSLe

Looking for some assistance in determining what the possible cause is of the linked picture.

These are 2 ATT MIS DIA circuits essentially about a mile away from each other. Both destined for the same Azure Virtual Network Gateway. Responses from the left MTR hop number 9 correspond with responses down the tunnel to local resources in our Azure tenant.

The right MTR has had no issues till this point and the tunnel is performing as expected the hop in question is hop 7 in the photo.

The only thing I can think of is Source Destination hash has us on a bad link in an etherchannel that is possibly taking errors or over saturated somewhere downstream? This has been occurring since yesterday around 9AM, we currently have the tunnel pointed to a Coax circuit that is performing adequately to get them by for now.

We currently have no Azure support, kind of messed up they dont even let you open a ticket with them.

Any ideas yall have would be most appreciated.



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