description mplsudp over ipv4 addrouter r1 int ser1 ser - $1a$ $1b$ ! vrf def v1 rd 1:1 exit int ser1 vrf for v1 ipv4 addr 1.1.1.1 255.255.255.0 ipv6 addr 1234::1 ffff:: exit int tun1 tunnel vrf v1 tunnel mode mplsudp tunnel source ser1 tunnel destination 1.1.1.2 vrf for v1 ipv4 addr 2.2.2.1 255.255.255.0 ipv6 addr 4321::1 ffff:: exit ! addrouter r2 int ser1 ser - $1b$ $1a$ ! vrf def v1 rd 1:1 exit int ser1 vrf for v1 ipv4 addr 1.1.1.2 255.255.255.0 ipv6 addr 1234::2 ffff:: exit int tun1 tunnel vrf v1 tunnel mode mplsudp tunnel source ser1 tunnel destination 1.1.1.1 vrf for v1 ipv4 addr 2.2.2.2 255.255.255.0 ipv6 addr 4321::2 ffff:: exit ! r1 tping 100 5 2.2.2.2 /vrf v1 r2 tping 100 5 2.2.2.1 /vrf v1 r1 tping 100 5 4321::2 /vrf v1 r2 tping 100 5 4321::1 /vrf v1 r1 output show inter tun1 full output ../binTmp/conn-mplsudp.html here is the interface:
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