Severe packet loss Amazon AWS->Telia

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1

Hi,

we're experiencing severe packet loss for downloads from Amazon AWS via Telia
network, tcpdump regularly shows multiple missing packets triggering SACKs like
this:

08:33:48.935415 IP 147.175.167.x.57668 > 54.231.33.x.443: Flags [.], ack
1051088, win 16384, options [nop,nop,sack 4
{1066840:1068272}{1063976:1065408}{1059680:1062544}{1056816:1058248}], length 0

Any ideas?

Thanks,

   M.

2

Any ideas?

1. Contact their NOC. amzn-noc-contact@amazon.com <mailto:amzn-noc-contact@amazon.com>
2. Provide a traceroute and MTR
3. Provide a pingable source IP