# # /etc/network/interfaces - cr-B # auto lo iface lo inet loopback address 2001:db8:ffff::2/128 auto enp1s0 iface enp1s0 alias cr-A # address 2001:db8:f0ab::b/64 # mtu 9216 # mpls-enable yes up ip -M route add 302 as 201 via inet6 2001:db8:f0ab::a down ip -M route del 302 as 201 via inet6 2001:db8:f0ab::a auto enp3s0 iface enp3s0 alias cr-C # address 2001:db8:f0bc::b/64 # mtu 9216 # mpls-enable yes up ip -M route add 102 as 203 via inet6 2001:db8:f0bc::c down ip -M route del 102 as 203 via inet6 2001:db8:f0bc::c