[outages] HTTPv6 timeouts (10+ seconds) to www.linkedin.com

frnkblk at iname.com frnkblk at iname.com
Wed Jun 15 21:35:53 EDT 2016


Anyone else seeing long page load times for www.linkedin.com?  Downdetector
shows it (http://downdetector.com/status/linkedin).

>From 7:07 pm (U.S. Central) until 7:49 pm and then again from 7:52 to 8:12
pm our monitoring system was telling us that HTTPv6 requests to
www.linkedin.com were taking more than 10 seconds.  Below is a traceroute
from our monitoring server and a manual wget.  I saw similar 10+ second
times with IPv4, too. 

root at nagios:/home/fbulk# wget -6 www.linkedin.com
--2016-06-15 19:40:19--  http://www.linkedin.com/
Resolving www.linkedin.com... 2620:109:c002::6cae:a0a
Connecting to www.linkedin.com|2620:109:c002::6cae:a0a|:80... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: https://www.linkedin.com/ [following]
--2016-06-15 19:40:19--  https://www.linkedin.com/
Connecting to www.linkedin.com|2620:109:c002::6cae:a0a|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [text/html]
Saving to: âindex.html.1â

    [      <=>
] 41,372      8.40K/s   in 4.8s

2016-06-15 19:40:35 (8.40 KB/s) - âindex.html.1â

root at nagios:/home/fbulk# 
root at nagios:/home/fbulk# tcptraceroute6 www.linkedin.com
traceroute to any-na.www.linkedin.com (2620:109:c002::6cae:a0a) from
2607:fe28:0:1000::5, port 80, from port 40494, 30 hops max, 60 bytes packets
 1  router-core.mtcnet.net (2607:fe28:0:1000::1)  0.242 ms  0.238 ms  0.251
ms
 2  sxct.spnc.mtcnet.net (2607:fe28:11:1002::194)  0.265 ms  0.171 ms  0.226
ms
 3  v6-premier.movl-mlx.fbnt.netins.net (2001:5f8:7f0a:1::1)  5.234 ms
4.966 ms  13.880 ms
 4  v6-ins-kb1-te-12-2-3031.kmrr.netins.net (2001:5f8:2:2::1)  8.769 ms
10.820 ms  9.740 ms
 5  v6-ins-kc2-et-9-3.kmrr.netins.net (2001:5f8::27:1)  9.021 ms  7.563 ms
7.675 ms
 6  10gigabitethernet9.switch1.oma1.he.net (2001:470:1:9a::1)  13.521 ms
12.491 ms  17.804 ms
 7  10ge11-15.core2.chi1.he.net (2001:470:0:373::1)  30.197 ms  28.856 ms
35.826 ms
 8  100ge5-2.core1.chi1.he.net (2001:470:0:346::2)  32.821 ms  24.529 ms
23.585 ms
 9  2001:504:0:4:0:1:4413:1 (2001:504:0:4:0:1:4413:1)  24.631 ms  24.614 ms
24.642 ms
10  2620:109:c000:136::2 (2620:109:c000:136::2)  25.160 ms  25.052 ms
25.235 ms
11  2620:109:c002::6cae:a0a (2620:109:c002::6cae:a0a)  37.559 ms [open]
37.699 ms  37.736 ms
root at nagios:/home/fbulk#

Frank





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