On Tue, 15 Aug 2017 11:17:27 +0300 Алексей Болдырев <devel-net-ne-vleza...@yandex.ru> wrote:
> I updated the kernel 4.12.6. When the mote is hung on the route more than 8 > mpls of marks through iproute2, I get the following: > > root@ne-vlezay80:~# ip route add 10.10.10.0/24 encap mpls > 50/60/70/80/90/100/110/120/130 dev lo > RTNETLINK answers: Invalid argument > > root@ne-vlezay80:~# ip route add 10.10.10.0/24 encap mpls > 50/60/70/80/90/100/110/120 dev lo > root@ne-vlezay80:~# > > root@ne-vlezay80:~# ip r > default via 10.247.0.1 dev ic-br0 proto zebra metric 20 > 10.10.10.0/24 encap mpls ///////120 dev lo scope link > > root@ne-vlezay80:~# cat /usr/src/linux-4.12.6/net/mpls/internal.h|grep MAX_NEW > #define MAX_NEW_LABELS 30 > root@ne-vlezay80:~# > > What is the problem, and how can more than 8 MPLS markers be hung on through > iproute2? > > root@ne-vlezay80:~# uname -r > 4.12.6 > root@ne-vlezay80:~# iproute2 just reports what the kernel response is. The invalid argument error comes from the kernel.
