description infini encapsulation addrouter r1 int infini1 inf - $1a$ $1b$ ! vrf def v1 rd 1:1 exit int infini1 vrf for v1 ipv4 addr 1.1.1.1 255.255.255.0 ipv6 addr 1234::1 ffff:: exit ! addrouter r2 int infini1 inf - $1b$ $1a$ ! vrf def v1 rd 1:1 exit int infini1 vrf for v1 ipv4 addr 1.1.1.2 255.255.255.0 ipv6 addr 1234::2 ffff:: exit ! r1 tping 100 5 1.1.1.2 vrf v1 r2 tping 100 5 1.1.1.1 vrf v1 r1 tping 100 5 1234::2 vrf v1 r2 tping 100 5 1234::1 vrf v1 r1 output show interface infini1 full output ../binTmp/conn-infini.html here is the interface: 
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