description swipe over ipv6 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 crypto ipsec ips cipher des hash md5 key tester exit int tun1 tunnel vrf v1 tunnel prot ips tunnel mode swipe tunnel source ser1 tunnel destination 1234::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 crypto ipsec ips cipher des hash md5 key tester exit int tun1 tunnel vrf v1 tunnel prot ips tunnel mode swipe tunnel source ser1 tunnel destination 1234::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