Gentoo Archives: gentoo-user

From: Alarig Le Lay <alarig@××××××××××.fr>
To: gentoo-user@l.g.o
Subject: [gentoo-user] Strange IPv6 behaviour
Date: Sat, 25 Mar 2017 11:36:22
Message-Id: 20170325113604.e7yhed6b3zs7ol2h@mew.swordarmor.fr
1 Hi,
2
3 On one of my machines, I have two public IPv6 from two different
4 providers (one natively, another by VPN). I use ip -6 rule to make both
5 pingable.
6
7 I see some strange things on the native one. It stops responding from
8 time to time. Here are some examples of mtr:
9 https://paste.swordarmor.fr/raw/mXVT
10
11 At this time, the other IPv6 (bulbizarre.swordarmor.fr) works normally.
12
13 And if I do the same test on another machine in the same LAN, no loss:
14 https://paste.swordarmor.fr/raw/XGbK
15
16 I have this routing table:
17 alarig@bulbizarre ~ $ ip -6 rule list
18 0: from all lookup local
19 31010: from 2a01:cb08:898c:fc00:9913:b7a:b9bf:d30c lookup 3215
20 31100: from all lookup 51083
21 32766: from all lookup main
22 alarig@bulbizarre ~ $ ip -6 route show
23 2a00:5881:4008:400::/64 dev tun0 proto kernel metric 256 pref medium
24 2a01:cb08:898c:fc00::/64 dev eth0 proto kernel metric 4 pref medium
25 fe80::/64 dev eth0 proto kernel metric 256 pref medium
26 fe80::/64 dev tun0 proto kernel metric 256 pref medium
27 fe80::/64 dev tun-mysql proto kernel metric 256 pref medium
28 default via fe80::20d:b9ff:fe3a:1fa1 dev eth0 metric 4 pref medium
29 alarig@bulbizarre ~ $ ip -6 route show table 3215
30 2a01:cb08:898c:fc00::/64 dev eth0 metric 1024 pref medium
31 default via fe80::20d:b9ff:fe3a:1fa1 dev eth0 metric 1024 pref medium
32 alarig@bulbizarre ~ $ ip -6 route show table 51083
33 default dev tun0 metric 1024 pref medium
34
35 I’m using the kernel 4.9.16-gentoo.
36
37 I’m running out of ideas, so I ask for your help :)
38
39 Thanks,
40 --
41 alarig

Attachments

File name MIME type
signature.asc application/pgp-signature

Replies

Subject Author
Re: [gentoo-user] Strange IPv6 behaviour Alan McKinnon <alan.mckinnon@×××××.com>
Re: [gentoo-user] Strange IPv6 behaviour Andrew Savchenko <bircoph@g.o>