# # /etc/network/interfaces - cr-D # auto lo iface lo inet loopback address 2001:db8:ffff::4/128 auto enp1s0 iface enp1s0 alias cr-C # address 2001:db8:f0cd::d/64 # mtu 9216 # mpls-enable yes up ip -M route add 504 as 403 via inet6 2001:db8:f0cd::c down ip -M route del 504 as 403 via inet6 2001:db8:f0cd::c auto enp3s0 iface enp3s0 alias cr-E # address 2001:db8:f0de::d/64 # mtu 9216 # mpls-enable yes up ip -M route add 304 as 405 via inet6 2001:db8:f0de::e down ip -M route del 304 as 405 via inet6 2001:db8:f0de::e