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Date:	Tue, 8 Dec 2015 20:26:12 +1300
From:	Sam Russell <>
To:	roopa <>
Subject: Re: MPLS decap with iproute2

Thanks all for your help, I got it working with Robert and Roopa's
sysctl settings, the following works:

ip route -f mpls add 100 dev lo

On 8 December 2015 at 15:37, roopa <> wrote:
> On 12/7/15, 11:42 AM, Sam Russell wrote:
>> Hi,
>> I've had success with the iproute2 manpage example for encapsulating
>> outgoing traffic in MPLS, but I've not found a way to add decap routes
>> inbound.
>> I've tried "ip route -f mpls add 100 dev lo" and other variations, but I
>> get netlink errors back.
>> Has this been built yet? Is there sample config that I can try out? I'm
>> running a home-built 4.3 kernel + iproute2 built from head (on ubuntu
>> 15.10) and am comfortable with perf and splashing around in the codebase if
>> need be.
> Example below should work
>  ip -f mpls route add 100 as 200 via inet dev eth0
> You have to enable mpls on the interface first:
> echo 1 > /proc/sys/net/mpls/conf/eth0/input
> multipath iproute2 patches are not in yet. Will submit them soon.
> let me know if you still get errors.
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