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Ironically, also a Zayo issue with a DWDM node in Chicago. 

> On Apr 13, 2021, at 6:48 PM, Frank Bulk <[log in to unmask]> wrote:
> 
> 
> The Google NOC reported to me that the 100G link was back up this afternoon.
>  
> According to our logs, our IPv4 and IPv6 BGP sessions came back up at 3:36 and 3:37 pm, respectively.
>  
> Frank
>  
> From: MICE Discuss <[log in to unmask]> 
> Sent: Saturday, April 10, 2021 11:47 AM
> To: [log in to unmask]
> Subject: [External GPC] Re: [MICE-DISCUSS] Google's new 100G from Chicago
>  
> Thanks! Interesting how an issue like this happens late on a Friday … if it happened by itself almost surely a bug or hardware issue.
>  
> Frank
>  
> From: MICE Discuss <[log in to unmask]> On Behalf Of Jay Hanke
> Sent: Saturday, April 10, 2021 11:05 AM
> To: [log in to unmask]
> Subject: Re: [MICE-DISCUSS] Google's new 100G from Chicago
>  
> Yes, this is not the first time we've seen issues on these links. I did reach out to them and haven't gotten a response yet.
>  
> On Sat, Apr 10, 2021 at 11:02 AM Jeremy Lumby <[log in to unmask]> wrote:
> Frank,
>  
>                 Yes, we received a notification from Google last night.  We are looking into it.  We are receiving light but no Ethernet framing.  I am 99% sure the issue lies with their wave provider. 
>  
> Jeremy
>  
> From: MICE Discuss [mailto:[log in to unmask]] On Behalf Of Frank Bulk
> Sent: Saturday, April 10, 2021 10:52 AM
> To: [log in to unmask]
> Subject: [MICE-DISCUSS] Google's new 100G from Chicago
>  
> Our BGP session over this new link went down Friday just before 6 pm.  When I opened a ticket this was Google’s response:
>  
> ========================
> We have informed you via G-127797702
> 
> Hello MICE (Midwest Internet Cooperative Exchange),
> 
> We have encountered issues with the following physical network link(s) you have with Google, to start troubleshooting and prevent any further impact to traffic we have removed traffic from the link(s).
> Please check the below list:
> Google ASN
> Your ASN
> Google Address
> Your Address
> Your Demarc
> Metro
> Problem
> Speed
> 15169
> PX.MICE.ORD
> 206.108.255.167
> Peering Exchange
> AS53679:CH1:05:000990:PP:0204:1238777 Ports 31,32
> ORD
> Down
> 100 Gbps
> 
> Tips for troubleshooting physical link problems:
> 
> ·  Clean the interface optic and your patching path to the MMR.
> ·  Replace the interface optic.
> 
> Please check your link(s) and attempt to resolve the problems described above.
> 
> Thanks!
> ========================
>  
> Is someone from MICE performing the requested actions and/or looking into this?
>  
> Kind regards,
>  
> Frank Bulk
> FiberNet (ASN18883)
>  
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> 
>  
> --
> Jay Hanke, President
> South Front Networks
> [log in to unmask]
> Phone  612-204-0000
>  
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