On Apr 21, 2020, at 10:02 AM, James Stahr <0000000d8a27a856-dmarc-request@LISTS.IPHOUSE.NET> wrote:

On 2020-04-21 09:32, Andrew Hoyos wrote:
There does appear to be an issue between Madison and Chicago on
Level3/CL glass. Google backhauls to Chicago on this.

Do you have a time this occurred?  Possibly unrelated, but we had a Level3/Centurylink circuit go down (times in CDT):

Apr 21 2020 08:53:59.515: %LINK-3-UPDOWN: Interface TenGigabitEthernet2/0/5, changed state to down
Apr 21 2020 08:53:59.566: %IOSXE_SPA-6-UPDOWN: Interface TenGigabitEthernet2/0/5, link down due to local fault

This was a MKE circuit, but I believe it was being backhauled to Chicago.

Lines up with a few we’re seeing down:
Apr 21 08:54:00  xxxxxxxx mib2d[2109]: SNMP_TRAP_LINK_DOWN: ifIndex 538, ifAdminStatus up(1), ifOperStatus down(2), ifName xe-2/0/0

Level3 in MKE also does head down to Chicago.
MSP -> MSN -> MKE -> ORD is their primary backbone.




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