description bgp routepolicy filtering with asbeg addrouter r1 int eth1 eth 0000.0000.1111 $1a$ $1b$ int eth2 eth 0000.0000.2222 $2a$ $2b$ ! vrf def v1 rd 1:1 exit bridge 1 mac-learn exit int lo0 vrf for v1 ipv4 addr 2.2.2.1 255.255.255.255 ipv6 addr 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff exit int eth1 bridge-gr 1 exit int eth2 bridge-gr 1 exit int bvi1 vrf for v1 ipv4 addr 1.1.1.1 255.255.255.0 ipv6 addr 1234:1::1 ffff:ffff:: exit router bgp4 1 vrf v1 address uni local-as 1 router-id 4.4.4.1 neigh 1.1.1.2 remote-as 1 neigh 1.1.1.2 route-reflect neigh 1.1.1.3 remote-as 1 neigh 1.1.1.3 route-reflect red conn exit router bgp6 1 vrf v1 address uni local-as 1 router-id 6.6.6.1 neigh 1234:1::2 remote-as 1 neigh 1234:1::2 route-reflect neigh 1234:1::3 remote-as 1 neigh 1234:1::3 route-reflect red conn exit ! addrouter r2 int eth1 eth 0000.0000.2222 $1b$ $1a$ ! vrf def v1 rd 1:1 exit int lo0 vrf for v1 ipv4 addr 2.2.2.2 255.255.255.255 ipv6 addr 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff exit int eth1 vrf for v1 ipv4 addr 1.1.1.2 255.255.255.0 ipv6 addr 1234:1::2 ffff:ffff:: exit route-policy rm1 set aspath 1234 4321 pass exit router bgp4 1 vrf v1 address uni local-as 1 router-id 4.4.4.2 neigh 1.1.1.1 remote-as 1 red conn route-policy rm1 exit router bgp6 1 vrf v1 address uni local-as 1 router-id 6.6.6.2 neigh 1234:1::1 remote-as 1 red conn route-policy rm1 exit ! addrouter r3 int eth1 eth 0000.0000.3333 $2b$ $2a$ ! vrf def v1 rd 1:1 exit int lo0 vrf for v1 ipv4 addr 2.2.2.3 255.255.255.255 ipv6 addr 4321::3 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff exit int eth1 vrf for v1 ipv4 addr 1.1.1.3 255.255.255.0 ipv6 addr 1234:1::3 ffff:ffff:: exit route-policy rm1 if asbeg 1234 drop else pass enif exit router bgp4 1 vrf v1 address uni local-as 1 router-id 4.4.4.3 neigh 1.1.1.1 remote-as 1 neigh 1.1.1.1 route-policy-in rm1 red conn exit router bgp6 1 vrf v1 address uni local-as 1 router-id 6.6.6.3 neigh 1234:1::1 remote-as 1 neigh 1234:1::1 route-policy-in rm1 red conn exit ! r1 tping 100 60 2.2.2.2 vrf v1 r1 tping 100 60 4321::2 vrf v1 r1 tping 100 60 2.2.2.3 vrf v1 r1 tping 100 60 4321::3 vrf v1 r2 tping 100 60 2.2.2.1 vrf v1 r2 tping 100 60 4321::1 vrf v1 r2 tping 100 60 2.2.2.3 vrf v1 r2 tping 100 60 4321::3 vrf v1 r3 tping 100 60 2.2.2.1 vrf v1 r3 tping 100 60 4321::1 vrf v1 r3 tping 0 60 2.2.2.2 vrf v1 r3 tping 0 60 4321::2 vrf v1