Re: infinite adding of ipv6 routes to kernel table which were recieved from ebgp peer and piped into kernel protocol
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Here is another interesting example on another router router i've added new vlan on physical interface 544 vconfig add enp2s0f1 544 added ipv6 addresses configured static ipv6 route through static protocol and got next strange results # for i in {1..10}; do
ip -6 ro sh dev enp2s0f1.544 echo "----------------------------" done
2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:26::/48 via 2a01:d0:0:31::2 proto bird metric 1024 fe80::/64 proto kernel metric 256 - ---------------------------- 2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:26::/48 via 2a01:d0:0:31::2 proto bird metric 1024 2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:26::/48 via 2a01:d0:0:31::2 proto bird metric 1024 fe80::/64 proto kernel metric 256 - ---------------------------- 2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:26::/48 via 2a01:d0:0:31::2 proto bird metric 1024 fe80::/64 proto kernel metric 256 - ---------------------------- 2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:26::/48 via 2a01:d0:0:31::2 proto bird metric 1024 fe80::/64 proto kernel metric 256 - ---------------------------- 2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:26::/48 via 2a01:d0:0:31::2 proto bird metric 1024 fe80::/64 proto kernel metric 256 - ---------------------------- 2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:26::/48 via 2a01:d0:0:31::2 proto bird metric 1024 fe80::/64 proto kernel metric 256 - ---------------------------- 2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:26::/48 via 2a01:d0:0:31::2 proto bird metric 1024 2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:26::/48 via 2a01:d0:0:31::2 proto bird metric 1024 2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:26::/48 via 2a01:d0:0:31::2 proto bird metric 1024 fe80::/64 proto kernel metric 256 - ---------------------------- 2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:26::/48 via 2a01:d0:0:31::2 proto bird metric 1024 fe80::/64 proto kernel metric 256 - ---------------------------- 2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:26::/48 via 2a01:d0:0:31::2 proto bird metric 1024 fe80::/64 proto kernel metric 256 - ---------------------------- 2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:26::/48 via 2a01:d0:0:31::2 proto bird metric 1024 fe80::/64 proto kernel metric 256 - ---------------------------- here is another strange thing # for i in {1..10}; do ip -6 ro sh | wc -l ; echo "----------------------------"; done 328063 - ---------------------------- 320890 - ---------------------------- 202481 - ---------------------------- 330761 - ---------------------------- 197992 - ---------------------------- 40152 - ---------------------------- 36968 - ---------------------------- 47729 - ---------------------------- 451970 - ---------------------------- 181288 - ---------------------------- # cat /proc/sys/net/ipv6/route/max_size 100000 On 08/08/2013 11:07 AM, Arnautov Artem wrote:
On 08/07/2013 08:10 PM, Ondrej Zajicek wrote:
On Wed, Aug 07, 2013 at 06:33:02PM +0300, Arnautov Artem wrote:
today we connected another router to new ipv6 capable uplink and established bgp same problem
Well, i tested now to export 15k IPv6 routes (from static protocol) on linux 3.9.2 and didn't noticed any problems. Could you send me your output of 'show route' and 'ip ro sh'?
Hello
we have such problem on all routers running bird6 and IPv6 full view recieved through ebgp then piped into master table and then exported to kernel protocol here is one thing and if we switch to quagga for ipv6 bgp everything is OK
output of 'show route' and 'ip ro sh' in attach.
- -- - --- Арнаутов Артем ISP NetAssist +380 44 2398989 -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.20 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJSA2jSAAoJEGj9FDZFr3kFC5AH+wf9cz1sqeDFLJXxJZstszD/ lI4rhRLfyF9iWGZk1fI64VGmUiuMUW8YA9nunpCcYBUwbT3qSTEImsqO56L/OqRI 5w6aQMlPUa/UcejuPU0hW4qpmYwKKgquRtf1IOXNttkT/510lUA6g1cxRTvsLMC1 QwUEDroCex/5ebMcCYMs2cQ0c0AVIQYks/77+4luvCuqT1Ds/mAMNMQXJiiWE4xX 40nTpFto4ZJDTiu35x85hadspwSxcaHmHd1xQGhctDJR0nmSXGKgTXrn/qrnNA8M YxzGvL9MTvYEBN7cmeoE2hKRxUewUK28YIGxCHLoizHIJASuktHceBq39abEfCA= =EiUf -----END PGP SIGNATURE-----
On Thu, Aug 08, 2013 at 12:45:54PM +0300, Arnautov Artem wrote:
Here is another interesting example on another router router
i've added new vlan on physical interface 544 vconfig add enp2s0f1 544 added ipv6 addresses configured static ipv6 route through static protocol and got next strange results
---------------------------- 2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:26::/48 via 2a01:d0:0:31::2 proto bird metric 1024 2a01:d0:0:31::/64 proto kernel metric 256 2a01:d0:26::/48 via 2a01:d0:0:31::2 proto bird metric 1024
If even the kernel routes (like 2a01:d0:0:31::/64) are doubled in 'ip r l' output, then it is probably some Linux kernel related issue more than a BIRD issue. Perhaps you could try to set 'persist' kernel proto option and then stop the BIRD if these doubled routes would be still here. -- Elen sila lumenn' omentielvo Ondrej 'SanTiago' Zajicek (email: santiago@crfreenet.org) OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net) "To err is human -- to blame it on a computer is even more so."
participants (2)
-
Arnautov Artem -
Ondrej Zajicek