Anyone else seeing google imap timeouts / slowness ? We hit their
services in Toronto Canada for ipv6 and ipv4 via gtt (However, ipv4
seems to come back via Torix). I am not seeing packet loss, just a lot
of slowness in response at the app layer. google status says all ok.
Problems started around 3:30am EST. My traffic comes out of AS11647.
tcp acks come back super quick. Just random delays in the Push of the
app response. example pcap below of "slow" and one "normal"
traceroute6 to imap.gmail.com (2607:f8b0:4004:c1b::6d) from
*2607:f3e0::12*, 64 hops max, 16 byte packets
1 host6 0.169 ms
2 toronto-torix-6 7.452 ms
3 *
4 google-b.ip6.torontointernetxchange.net 5.442 ms
5 2001:4860:0:1::322f 5.456 ms
6 2001:4860:0:1::3244 6.075 ms
7 2001:4860::c:4002:fc1a 27.485 ms
8 2001:4860::c:4002:6523 26.352 ms
9 2001:4860::c:4002:332e 26.528 ms
10 2001:4860::c:4002:a29a 27.551 ms
11 2001:4860::cc:4001:efe0 55.962 ms
12 2001:4860:0:1::e63 26.644 ms
13 *
14 *
15 *
src ip 64.7.153.12
2 gtt-core1-10G (67.43.129.247) 5.225 ms
3 ae4-68.cr5-tor1.ip4.gtt.net (69.174.3.205) 7.868 ms
4 ae2.cr2-tor1.ip4.gtt.net (141.136.105.230) 10.595 ms
5 74.125.147.196 (74.125.147.196) 8.620 ms
6 192.178.98.45 (192.178.98.45) 8.997 ms
7 192.178.98.54 (192.178.98.54) 8.943 ms
8 142.251.231.171 (142.251.231.171) 18.056 ms
9 142.251.68.58 (142.251.68.58) 21.095 ms
10 142.251.69.191 (142.251.69.191) 27.531 ms
11 142.251.226.101 (142.251.226.101) 27.294 ms
12 216.239.57.97 (216.239.57.97) 27.101 ms
13 142.251.245.105 (142.251.245.105) 27.056 ms
14 *
15 *
slow
12:27:25.602118 IP6 2607:f3e0::12.56498 > 2607:f8b0:4004:c19::6c.993:
Flags [S], seq 3558477261, win 65535, options [mss 1440,nop,wscale
6,sackOK,TS val 366746043 ecr 0], length 0
12:27:25.629789 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56498:
Flags [S.], seq 3828362457, ack 3558477262, win 65535, options [mss
1440,sackOK,TS val 998507935 ecr 366746043,nop,wscale 8], length 0
12:27:25.629824 IP6 2607:f3e0::12.56498 > 2607:f8b0:4004:c19::6c.993:
Flags [.], ack 1, win 1026, options [nop,nop,TS val 366746071 ecr
998507935], length 0
12:27:25.630041 IP6 2607:f3e0::12.56498 > 2607:f8b0:4004:c19::6c.993:
Flags [P.], seq 1:206, ack 1, win 1026, options [nop,nop,TS val
366746071 ecr 998507935], length 205
12:27:25.657752 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56498:
Flags [.], ack 206, win 261, options [nop,nop,TS val 998507963 ecr
366746071], length 0
12:27:25.659493 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56498:
Flags [.], seq 1:1209, ack 206, win 261, options [nop,nop,TS val
998507965 ecr 366746071], length 1208
12:27:25.659504 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56498:
Flags [P.], seq 1209:2417, ack 206, win 261, options [nop,nop,TS val
998507965 ecr 366746071], length 1208
12:27:25.659518 IP6 2607:f3e0::12.56498 > 2607:f8b0:4004:c19::6c.993:
Flags [.], ack 2417, win 988, options [nop,nop,TS val 366746100 ecr
998507965], length 0
12:27:25.659617 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56498:
Flags [.], seq 2417:3625, ack 206, win 261, options [nop,nop,TS val
998507965 ecr 366746071], length 1208
12:27:25.659627 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56498:
Flags [P.], seq 3625:4227, ack 206, win 261, options [nop,nop,TS val
998507965 ecr 366746071], length 602
12:27:25.659641 IP6 2607:f3e0::12.56498 > 2607:f8b0:4004:c19::6c.993:
Flags [.], ack 4227, win 1016, options [nop,nop,TS val 366746100 ecr
998507965], length 0
12:27:25.669774 IP6 2607:f3e0::12.56498 > 2607:f8b0:4004:c19::6c.993:
Flags [P.], seq 206:332, ack 4227, win 1026, options [nop,nop,TS val
366746110 ecr 998507965], length 126
12:27:25.697747 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56498:
Flags [P.], seq 4227:4517, ack 332, win 261, options [nop,nop,TS val
998508003 ecr 366746110], length 290
12:27:25.705534 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56498:
Flags [P.], seq 4517:4613, ack 332, win 261, options [nop,nop,TS val
998508011 ecr 366746110], length 96
12:27:25.705550 IP6 2607:f3e0::12.56498 > 2607:f8b0:4004:c19::6c.993:
Flags [.], ack 4613, win 1024, options [nop,nop,TS val 366746146 ecr
998508003], length 0
12:27:25.705945 IP6 2607:f3e0::12.56498 > 2607:f8b0:4004:c19::6c.993:
Flags [P.], seq 332:408, ack 4613, win 1026, options [nop,nop,TS val
366746146 ecr 998508003], length 76
12:27:25.738466 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56498:
Flags [.], ack 408, win 261, options [nop,nop,TS val 998508044 ecr
366746146], length 0
12:27:57.854752 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56498:
Flags [P.], seq 4613:4911, ack 408, win 261, options [nop,nop,TS val
998540161 ecr 366746146], length 298
12:27:57.855295 IP6 2607:f3e0::12.56498 > 2607:f8b0:4004:c19::6c.993:
Flags [P.], seq 408:453, ack 4911, win 1026, options [nop,nop,TS val
366778296 ecr 998540161], length 45
12:27:57.882290 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56498:
Flags [.], ack 453, win 261, options [nop,nop,TS val 998540188 ecr
366778296], length 0
12:28:17.420682 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56498:
Flags [P.], seq 4911:5313, ack 453, win 261, options [nop,nop,TS val
998559726 ecr 366778296], length 402
12:28:17.421214 IP6 2607:f3e0::12.56498 > 2607:f8b0:4004:c19::6c.993:
Flags [P.], seq 453:498, ack 5313, win 1026, options [nop,nop,TS val
366797862 ecr 998559726], length 45
12:28:17.448170 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56498:
Flags [.], ack 498, win 261, options [nop,nop,TS val 998559754 ecr
366797862], length 0
12:28:20.195617 IP6 2607:f3e0::12.56498 > 2607:f8b0:4004:c19::6c.993:
Flags [F.], seq 498, ack 5313, win 1026, options [nop,nop,TS val
366800636 ecr 998559754], length 0
12:28:20.227391 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56498:
Flags [.], ack 499, win 261, options [nop,nop,TS val 998562533 ecr
366800636], length 0
12:28:42.746300 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56498:
Flags [F.], seq 5313, ack 499, win 261, options [nop,nop,TS val
998585052 ecr 366800636], length 0
12:28:42.746330 IP6 2607:f3e0::12.56498 > 2607:f8b0:4004:c19::6c.993:
Flags [.], ack 5314, win 1026, options [nop,nop,TS val 366823187 ecr
998585052], length 0
not slow
12:27:54.345307 IP6 2607:f3e0::12.56605 > 2607:f8b0:4004:c19::6c.993:
Flags [S], seq 860170822, win 65535, options [mss 1440,nop,wscale
6,sackOK,TS val 366774786 ecr 0], length 0
12:27:54.371528 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56605:
Flags [S.], seq 1855952390, ack 860170823, win 65535, options [mss
1440,sackOK,TS val 485305487 ecr 366774786,nop,wscale 8], length 0
12:27:54.371563 IP6 2607:f3e0::12.56605 > 2607:f8b0:4004:c19::6c.993:
Flags [.], ack 1, win 1026, options [nop,nop,TS val 366774812 ecr
485305487], length 0
12:27:54.371768 IP6 2607:f3e0::12.56605 > 2607:f8b0:4004:c19::6c.993:
Flags [P.], seq 1:206, ack 1, win 1026, options [nop,nop,TS val
366774812 ecr 485305487], length 205
12:27:54.397925 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56605:
Flags [.], ack 206, win 261, options [nop,nop,TS val 485305513 ecr
366774812], length 0
12:27:54.398455 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56605:
Flags [.], seq 1:1209, ack 206, win 261, options [nop,nop,TS val
485305514 ecr 366774812], length 1208
12:27:54.398466 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56605:
Flags [P.], seq 1209:2417, ack 206, win 261, options [nop,nop,TS val
485305514 ecr 366774812], length 1208
12:27:54.398481 IP6 2607:f3e0::12.56605 > 2607:f8b0:4004:c19::6c.993:
Flags [.], ack 2417, win 988, options [nop,nop,TS val 366774839 ecr
485305514], length 0
12:27:54.398579 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56605:
Flags [.], seq 2417:3625, ack 206, win 261, options [nop,nop,TS val
485305514 ecr 366774812], length 1208
12:27:54.398591 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56605:
Flags [P.], seq 3625:4227, ack 206, win 261, options [nop,nop,TS val
485305514 ecr 366774812], length 602
12:27:54.398604 IP6 2607:f3e0::12.56605 > 2607:f8b0:4004:c19::6c.993:
Flags [.], ack 4227, win 1016, options [nop,nop,TS val 366774839 ecr
485305514], length 0
12:27:54.408741 IP6 2607:f3e0::12.56605 > 2607:f8b0:4004:c19::6c.993:
Flags [P.], seq 206:332, ack 4227, win 1026, options [nop,nop,TS val
366774849 ecr 485305514], length 126
12:27:54.435121 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56605:
Flags [P.], seq 4227:4517, ack 332, win 261, options [nop,nop,TS val
485305550 ecr 366774849], length 290
12:27:54.444165 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56605:
Flags [P.], seq 4517:4613, ack 332, win 261, options [nop,nop,TS val
485305559 ecr 366774849], length 96
12:27:54.444181 IP6 2607:f3e0::12.56605 > 2607:f8b0:4004:c19::6c.993:
Flags [.], ack 4613, win 1024, options [nop,nop,TS val 366774885 ecr
485305550], length 0
12:27:54.444567 IP6 2607:f3e0::12.56605 > 2607:f8b0:4004:c19::6c.993:
Flags [P.], seq 332:408, ack 4613, win 1026, options [nop,nop,TS val
366774885 ecr 485305550], length 76
12:27:54.475386 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56605:
Flags [.], ack 408, win 261, options [nop,nop,TS val 485305591 ecr
366774885], length 0
12:28:31.106366 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56605:
Flags [P.], seq 4613:4911, ack 408, win 261, options [nop,nop,TS val
485342221 ecr 366774885], length 298
12:28:31.106783 IP6 2607:f3e0::12.56605 > 2607:f8b0:4004:c19::6c.993:
Flags [P.], seq 408:453, ack 4911, win 1026, options [nop,nop,TS val
366811547 ecr 485342221], length 45
12:28:31.132930 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56605:
Flags [.], ack 453, win 261, options [nop,nop,TS val 485342248 ecr
366811547], length 0
12:28:48.110633 IP6 2607:f3e0::12.56605 > 2607:f8b0:4004:c19::6c.993:
Flags [F.], seq 453, ack 4911, win 1026, options [nop,nop,TS val
366828551 ecr 485342248], length 0
12:28:48.141972 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56605:
Flags [.], ack 454, win 261, options [nop,nop,TS val 485359257 ecr
366828551], length 0
12:28:53.819032 IP6 2607:f8b0:4004:c19::6c.993 > 2607:f3e0::12.56605:
Flags [F.], seq 4911, ack 454, win 261, options [nop,nop,TS val
485364934 ecr 366828551], length 0
12:28:53.819062 IP6 2607:f3e0::12.56605 > 2607:f8b0:4004:c19::6c.993:
Flags [.], ack 4912, win 1026, options [nop,nop,TS val 366834260 ecr
485364934], length 0
