[quagga-users 14507] Re: Zebra RTM_NEWROUTE

Arnaud Launay <[email protected]> Sun, 6 Nov 2016 21:17:39 +0100
Newsgroups	gmane.network.quagga.user
Message-ID	<[email protected]>
Hello,

Le Sat, Nov 05, 2016 at 11:50:56PM -0500, Jafar Al-Gharaibeh a écrit:
> > Since shutdowning one router (on three) to add more SFP ports, we
> > see like 200 lines like this:
> > 2016/11/05 10:50:37 ZEBRA: netlink-cmd (vrf 0) error: Invalid argument, type=RTM_NEWROUTE(24), seq=564170, pid=0
> > 2016/11/05 10:50:37 ZEBRA: netlink-cmd (vrf 0) error: Invalid argument, type=RTM_NEWROUTE(24), seq=564171, pid=0
> > 2016/11/05 10:50:37 ZEBRA: netlink-cmd (vrf 0) error: Invalid argument, type=RTM_NEWROUTE(24), seq=564172, pid=0
> > 2016/11/05 10:50:37 ZEBRA: netlink-cmd (vrf 0) error: Invalid argument, type=RTM_NEWROUTE(24), seq=564173, pid=0
> > 2016/11/05 10:50:37 ZEBRA: netlink-cmd (vrf 0) error: Invalid argument, type=RTM_NEWROUTE(24), seq=564174, pid=0
> >
> >
> > At boot, and then a few dozen more each day, not necessarily
> > grouped. Does anyone has an idea on where to look at ? We found
> > very few references on google, mostly on very old releases, but
> > we use a recent one...
> >
> > Linux 4.4.26
> > quagga-1.0.20160315-r4.ebuild on Gentoo (it includes the RA,
> > ospfd dangling and bgpd logging patches)
> >
> > Strangely enough, this issue doesn't appear on the other routers.
> > Should we try the very last quagga ?
> 
>   What are the other routers? Gentoo as well? same Quagga version?

Yes. Same Gentoo, same quagga, same kernel config, same sysctl.

>    Without testing to see what exactly is going wrong I can
>    only speculate. Could it be that the Gentoo box doesn't have
>    support for network namespaces? and that is causing issues
>    with Quagga trying to send vrf fields in RTM msgs? What do
>    yo see if you do "ip netns list" on the router where you see
>    this issue? is the output any different on other routers?

It's the same on all three, output on the first one:

qua1 ~ # ip netns list
qua1 ~ # 

I don't think they support network NS. It can be added, though.
Would it help ? And why until now was that never needed ?

	Arnaud.

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