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:~#
