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Re: [BUG/WANT TO FIX] Equal Cost Multipath Broken in 2.4.x

To: bert hubert <ahu@xxxxxxx>
Subject: Re: [BUG/WANT TO FIX] Equal Cost Multipath Broken in 2.4.x
From: Julian Anastasov <ja@xxxxxx>
Date: Thu, 20 Dec 2001 14:13:16 +0200 (EET)
Cc: <kuznet@xxxxxxxxxxxxx>, <netdev@xxxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <20011220122927.A12949@xxxxxxxxxxxxxxx>
Sender: owner-netdev@xxxxxxxxxxx
        Hello,

On Thu, 20 Dec 2001, bert hubert wrote:

> Your patch does not appear to relate to iproute-20010824. I think I've found

        Hm, it is against iproute2-2.4.7-now-ss010824.tar.gz. Is
iproute-20010824 (what is that?) somehow different?

> the problem, however. I think there has been an API change between 2.2 and
> 2.4. 'ip' compiled under 2.2 will not properly configure ECMP on 2.4!

        May be the effect is different with different compiler ...
and uninitialized stack data. See the entry in RELNOTES:

[010803]
 * If "dev" is not specified in multipath route, ifindex remained
   uninitialized. Grr. Thanks to Kunihiro Ishiguro <kunihiro@xxxxxxxxx>.

        It seems the same bug exists for rtnh_flags and rtnh_hops,
at the same place.

> If I recompile tc under 2.4, the problem disappears.

        This is new. IIRC, the other users don't have such success :)

> Regards,
>
> bert

Regards

--
Julian Anastasov <ja@xxxxxx>


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