description dhcp with arp/nd security addrouter r1 int eth1 eth 0000.0000.1111 $1a$ $1b$ ! vrf def v1 rd 1:1 exit int eth1 vrf for v1 ipv4 addr 1.1.1.1 255.255.255.0 ipv6 addr 1234::1 ffff:: ipv6 prefix-suppress no ipv4 host-learn no ipv6 host-learn exit int lo0 vrf for v1 ipv4 addr 4.4.4.4 255.255.255.255 ipv6 addr 4444::4 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff exit server dhcp4 dh4 pool 1.1.1.2 1.1.1.199 gateway 1.1.1.1 netmask 255.255.255.0 interface ethernet1 vrf v1 exit server dhcp6 dh6 netmask ffff:ffff:ffff:ffff:: gateway 1234::1 interface ethernet1 vrf v1 exit ! addrouter r2 int eth1 eth 0000.0000.2222 $1b$ $1a$ ! vrf def v1 rd 1:1 exit prefix-list p4 permit 0.0.0.0/0 exit prefix-list p6 permit ::/0 exit int eth1 vrf for v1 ipv4 addr 3.3.3.3 255.255.255.128 ipv4 dhcp-client enable ipv4 gateway-prefix p4 ipv6 addr 3333::3 ffff:: ipv6 dhcp-client enable ipv6 gateway-prefix p6 exit ! r2 tping 100 20 1.1.1.1 vrf v1 r2 tping 100 20 1234::1 vrf v1 r2 tping 100 5 4.4.4.4 vrf v1 r2 tping 100 5 4444::4 vrf v1