Re: AWS hosted sites like slack unreachable

2023-07-20 Thread Pete Rohrman
Margi, I ran into that years ago with AWS.  I had a service provider clearing calls for me, and they were hosted on AWS.   Kept pushing my service provider to open tickets with AWS. The issue would resolve for a day, then return, etc.  There was no permanent resolution offered by AWS. 

Re: AWS hosted sites like slack unreachable

2023-07-20 Thread Glenn Kelley
We have seen this in our consulting business with a large number of smaller ISPs both FISP and WISPS Often it is due to traffic leaving the network they believe to be an attack. If you let them know the Network Blocks, ASN, etc in an email to ab...@amazonaws.com they are very responsive. I

Re: AWS hosted sites like slack unreachable

2023-07-20 Thread Daniel Marks via NANOG
You didn’t specify anything that would be useful to narrow down the issue (i.e. location, asn, error codes, etc) - We had a somewhat similar issue at DET-IX with routes to us-east-1 and us-east-2 seeing a lot of packet loss, but AWS eventually just de-peered the exchange entirely since it was

AWS hosted sites like slack unreachable

2023-07-20 Thread Margi Varia via NANOG
Hi Nanog, We are seeing this weird issue in one part of the network. Customers in one public subnet are not able to reach certain websites suddenly which are hosted in AWS like slack.com, bill.com.. We changed the subnet to new one and issue resolved, after 48 hours, we have the same issue