On Wed, Jan 31, 2018 at 02:06:22PM +0000, Ben Arblaster wrote: > Hi, > > I’m seeing an issue with bird 1.6.3 where IPv6 device routes are unexpectedly > removed from the kernel table on Linux (3.10.0, CentOS 7) when bird removes a > matching route learned via another protocol (in this case OSPF).
> ... > This is a change in behaviour from 1.4.5 and seems like a bug, rather than > the expected behaviour? Hi This is an unfortunate side-effect of IPv6 ECMP changes introduced in 1.6.x. You can fix it by setting kernel protocol option 'metric' to e.g. 32, see [*]. Also, the default value for kernel 'metric' has changed to 32 in version 2.0.0. [*] http://bird.network.cz/?get_doc&f=bird-6.html#krt-metric -- Elen sila lumenn' omentielvo Ondrej 'Santiago' Zajicek (email: santi...@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."
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