[Babel-users] IPV6_SUBTREES vs policy routing

Dave Taht dave.taht at gmail.com
Fri Apr 15 06:25:09 UTC 2016


I guess I'm confused. I had thought that we would not use ip rules at
all with IPV6_SUBTREES in play. I'm also a little concerned about
hitting a rule table limit or some other conflict.

This is with babel head, which seems to be duplicating the rules with
the subtrees.

d at dancer:~/public_html/newcake$ ip -6 rule show
0:    from all lookup local
100:    from 2001:558:6045:bd:1ccf:b9bb:e8da:2c77 lookup 10
101:    from 2601:646:4103:56c0::/60 lookup 11
102:    from 2601:646:4100:72ab::/64 lookup 12
103:    from 2001:558:6045:bd:edb1:91de:b10d:5cb9 lookup 13
104:    from 2601:646:4180:d9f::/64 lookup 14
32766:    from all lookup main

An older source specific babel I have only has stuff like this in it, no rules.

d at dancer:~/public_html/newcake$ ip -6 route show | grep from
default from 2001:558:6045:bd:1ccf:b9bb:e8da:2c77 via
fe80::16cc:20ff:fee5:64c2 dev eno1  proto babel  metric 1024  pref
medium
default from 2001:558:6045:bd:edb1:91de:b10d:5cb9 via
fe80::ba27:ebff:fec9:3c08 dev eno1  proto babel  metric 1024  pref
medium
default from 2601:646:4103:56c0::/60 via fe80::16cc:20ff:fee5:64c2 dev
eno1  proto babel  metric 1024  pref medium
default from 2601:646:4180:d9f::/64 via fe80::ba27:ebff:fec9:3c08 dev
eno1  proto babel  metric 1024  pref medium
2601:646:4103:56c0::/60 from 2601:646:4103:56c0::1a6 via
fe80::120d:7fff:fe64:c992 dev eno1  proto babel  metric 1024  pref
medium
2601:646:4103:56c0::/60 from 2601:646:4103:56c0::/64 via
fe80::120d:7fff:fe64:c992 dev eno1  proto babel  metric 1024  pref
medium
2601:646:4103:56c0::/60 from 2601:646:4103:56c8::/61 via
fe80::120d:7fff:fe64:c992 dev eno1  proto babel  metric 1024  pref
medium



-- 
Dave Täht
Let's go make home routers and wifi faster! With better software!
http://blog.cerowrt.org



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