#1 2017-08-21 07:29:11

manjana
Trusted Member
Registered: 2015-11-23
Posts: 120

Sofia: IPv6 routing loop

Hi,
currently IPv6 routing in BG looks somewhat strange. mtr towards my VPS:

  1.|-- 2a01:6f0:ff:100::xxxx             0.0%    10    0.2   0.1   0.1   0.2   0.0
  2.|-- 2a01:4f8:0:e0b0::19            0.0%    10    0.5   0.5   0.4   0.8   0.0
  3.|-- core11.nbg1.hetzner.com        0.0%    10    1.0   0.7   0.5   1.0   0.0
  4.|-- juniper5.dc2.nbg1.hetzner.com  0.0%    10    0.8   1.0   0.6   2.7   0.5
  5.|-- 2001:7f8:30:0:2:1:0:6939       0.0%    10   18.8  15.8   9.4  20.4   4.5
  6.|-- 10ge6-6.core1.sof1.he.net      0.0%    10   26.8  29.5  26.4  41.8   6.1
  7.|-- 2a01:8740:ffff:fff5::23        0.0%    10   27.8  27.8  27.5  29.0   0.3
  8.|-- 2a01:8740::4a                  0.0%    10   26.4  26.4  26.2  26.6   0.0
  9.|-- 2a01:8740:ffff:fff5::23        0.0%    10   27.9  27.8  27.6  28.3   0.0
 10.|-- 2a01:8740::4a                  0.0%    10   26.6  26.5  26.3  26.6   0.0
 11.|-- 2a01:8740:ffff:fff5::23        0.0%    10   27.9  27.9  27.6  29.1   0.3
 12.|-- 2a01:8740::4a                  0.0%    10   26.5  26.5  26.3  26.8   0.0
 13.|-- 2a01:8740:ffff:fff5::23        0.0%    10   27.8  28.6  27.7  34.2   1.8
 14.|-- 2a01:8740::4a                  0.0%    10   26.6  26.6  26.4  26.9   0.0
 15.|-- 2a01:8740:ffff:fff5::23        0.0%    10   28.1  28.1  27.8  28.3   0.0
 16.|-- 2a01:8740::4a                  0.0%    10   26.5  26.5  26.4  26.8   0.0
...

Last edited by manjana (2017-08-21 07:29:46)

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#2 2017-08-21 16:53:39

mikho
Low End Mod
From: Hell and gore == Sweden
Registered: 2013-03-02
Posts: 1,356
Website

Re: Sofia: IPv6 routing loop

Indeed does it look strange. I'll take a look in a minute.

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#3 2017-08-21 17:15:35

mikho
Low End Mod
From: Hell and gore == Sweden
Registered: 2013-03-02
Posts: 1,356
Website

Re: Sofia: IPv6 routing loop

There was a reported network outage yesterday, could be a related issue. I've opened a ticket with some questions.... will report back when ticket is replied to.

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#4 2017-08-21 18:30:10

mikho
Low End Mod
From: Hell and gore == Sweden
Registered: 2013-03-02
Posts: 1,356
Website

Re: Sofia: IPv6 routing loop

manjana wrote:

Hi,
currently IPv6 routing in BG looks somewhat strange. mtr towards my VPS:

  1.|-- 2a01:6f0:ff:100::xxxx             0.0%    10    0.2   0.1   0.1   0.2   0.0
  2.|-- 2a01:4f8:0:e0b0::19            0.0%    10    0.5   0.5   0.4   0.8   0.0
  3.|-- core11.nbg1.hetzner.com        0.0%    10    1.0   0.7   0.5   1.0   0.0
  4.|-- juniper5.dc2.nbg1.hetzner.com  0.0%    10    0.8   1.0   0.6   2.7   0.5
  5.|-- 2001:7f8:30:0:2:1:0:6939       0.0%    10   18.8  15.8   9.4  20.4   4.5
  6.|-- 10ge6-6.core1.sof1.he.net      0.0%    10   26.8  29.5  26.4  41.8   6.1
  7.|-- 2a01:8740:ffff:fff5::23        0.0%    10   27.8  27.8  27.5  29.0   0.3
  8.|-- 2a01:8740::4a                  0.0%    10   26.4  26.4  26.2  26.6   0.0
  9.|-- 2a01:8740:ffff:fff5::23        0.0%    10   27.9  27.8  27.6  28.3   0.0
 10.|-- 2a01:8740::4a                  0.0%    10   26.6  26.5  26.3  26.6   0.0
 11.|-- 2a01:8740:ffff:fff5::23        0.0%    10   27.9  27.9  27.6  29.1   0.3
 12.|-- 2a01:8740::4a                  0.0%    10   26.5  26.5  26.3  26.8   0.0
 13.|-- 2a01:8740:ffff:fff5::23        0.0%    10   27.8  28.6  27.7  34.2   1.8
 14.|-- 2a01:8740::4a                  0.0%    10   26.6  26.6  26.4  26.9   0.0
 15.|-- 2a01:8740:ffff:fff5::23        0.0%    10   28.1  28.1  27.8  28.3   0.0
 16.|-- 2a01:8740::4a                  0.0%    10   26.5  26.5  26.4  26.8   0.0
...

 
   
Should be resolved now, please check from your location.

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#5 2017-08-21 19:08:54

manjana
Trusted Member
Registered: 2015-11-23
Posts: 120

Re: Sofia: IPv6 routing loop

Thanks, mikho. Works fine again! smile

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#6 2017-08-21 19:13:24

manjana
Trusted Member
Registered: 2015-11-23
Posts: 120

Re: Sofia: IPv6 routing loop

Thanks, mikho. Works fine again! smile

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