Date: Mon, 23 Aug 2010 17:22:29 -0700 From: "Li, Qing" <qing.li@bluecoat.com> To: "Ingo Flaschberger" <if@xip.at>, <net@freebsd.org> Subject: RE: funny ECMP Message-ID: <B583FBF374231F4A89607B4D08578A4307F1FC70@bcs-mail03.internal.cacheflow.com> In-Reply-To: <alpine.LFD.2.00.1008240144350.12708@filebunker.xip.at> References: <alpine.LFD.2.00.1008230154280.29368@filebunker.xip.at> <alpine.LFD.2.00.1008240144350.12708@filebunker.xip.at>
index | next in thread | previous in thread | raw e-mail
Hi,
>
> I have changed the route selection code of ecmp to
> balance only between routes of the same weight.
> (see attached file)
>
>
> As Qing Li mentioned months ago, there are problems with static routes
> and interfaces.
>
Do you have the exact link to the email thread?
There were no pending ECMP related issues since my last round of
commits
as far as I can remember.
>
> Example 1:
> ifconfig em1 alias 10.13.13.90/24
> ping 10.13.13.95 ok
> route add 10.13.13.0/24 10.11.11.1 -weight 2
> ping 10.13.13.95 broken (arpresolve: can't allocate llinfo for
> 10.13.13.95)
>
Could you please explain a bit on exactly what you try to
accomplish here with this configuration?
>
> deleting the last static multipath routes seems to affect?, destroy?
> the interface route.
> system crashes in:
> /usr/src/sys/net/route.c:370
> rn = rnh->rnh_matchaddr(dst, rnh);
> if (rn && ((rn->rn_flags & RNF_ROOT) == 0)) {
> newrt = rt = RNTORT(rn);
> here -> RT_LOCK(newrt);
> RT_ADDREF(newrt);
> if (needlock)
>
I will take a look.
-- Qing
help
Want to link to this message? Use this
URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?B583FBF374231F4A89607B4D08578A4307F1FC70>