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astounding
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Posts: 121
Joined: Tue Dec 16, 2008 12:17 am

IPv6: Trouble reaching *.mikrotik.com web sites?

Thu Aug 04, 2011 6:31 pm

Is anyone else using globally routed IPv6 addresses having trouble reaching *.mikrotik.com web sites?
user@host:~$ ping6 forum.mikrotik.com
PING6(56=40+8+8 bytes) --> 2a02:610:7501:1000::201

--- forum.mikrotik.com ping6 statistics ---
100 packets transmitted, 0 packets received, 100.0% packet loss

user@host:~$ traceroute6 forum.mikrotik.com
traceroute6 to forum.mikrotik.com (2a02:610:7501:1000::201), 64 hops max, 12 byte packets
...
 6  v6-10gigabitethernet1-3.core1.sea1.he.net  36.414 ms  40.620 ms  49.199 ms
 7  10gigabitethernet3-1.core1.den1.he.net  71.635 ms  68.934 ms  69.898 ms
 8  10gigabitethernet1-1.core1.chi1.he.net  108.138 ms  93.704 ms  115.358 ms
 9  10gigabitethernet7-2.core1.nyc4.he.net  130.926 ms  143.679 ms  109.993 ms
10  10gigabitethernet3-3.core1.lon1.he.net  176.192 ms  177.757 ms  188.958 ms
11  10gigabitethernet4-2.core1.fra1.he.net  208.305 ms  195.920 ms  200.634 ms
12  * * *
13  * * *
... this continues until I terminate the traceroute ...
Apparently my ISP routes my IPv6 to MikroTik's sites via Hurricane Electric's network. I'm curious if the issues reaching *.mikrotik.com sites only affects people routing along similar paths (i.e. via HE.net), or is more global in nature?

Or could MikroTik have their web servers behind a RouterOS router, and perhaps they're finally experiencing the random IPv6 routing issues I keep experiencing with RouterOS and IPv6 routes wherein when my IPv6 connectivity fails, I simply fiddle with my router's IPv6 default route distance (changing it, then changing it back to what it was before) and like magic, the route starts working like it should have in the first place?

Wondering,
Aaron out.
 
fewi
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Joined: Tue Aug 11, 2009 3:19 am

Re: IPv6: Trouble reaching *.mikrotik.com web sites?

Thu Aug 04, 2011 6:57 pm

http://forum.mikrotik.com/viewtopic.php?f=2&t=53893\

It's an issue with HE's peers getting through to Mikrotik's ISP.

The HE ticket is stale, though. They said they'd talk to the peer that's their next hop, which is where traffic is dropping off. Haven't heard from them since. It worked sporadically for me last night, but then failed again today.

Mikrotik should probably talk to their uplink to put pressure on the failing peer from both sides.

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