description remote triggered blackhole access

addrouter r1
int eth1 eth 0000.0000.1111 $1a$ $1b$
int eth2 eth 0000.0000.1111 $2a$ $2b$
int eth3 eth 0000.0000.1111 $3a$ $3b$
int eth4 eth 0000.0000.1111 $4a$ $4b$
!
vrf def v1
 rd 1:1
 exit
vrf def v2
 rd 1:2
 rt-both 1:2
 exit
int lo1
 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
bridge 1
 mac-learn
 exit
int eth1
 bridge-gr 1
 exit
int eth2
 bridge-gr 1
 exit
int eth3
 bridge-gr 1
 exit
int eth4
 bridge-gr 1
 exit
int bvi1
 vrf for v1
 ipv4 addr 1.1.1.1 255.255.255.0
 ipv6 addr 1234::1 ffff::
 exit
router blackhole4 1
 vrf v2
 exit
router blackhole6 1
 vrf v2
 exit
router bgp4 1
 vrf v1
 address vpnuni uni
 local-as 1
 router-id 4.4.4.1
 neigh 1.1.1.5 remote-as 1
 neigh 1.1.1.5 send-comm both
 afi-vrf v2 ena
 afi-vrf v2 red blackhole4 1
 red conn
 exit
router bgp6 1
 vrf v1
 address vpnuni uni
 local-as 1
 router-id 6.6.6.1
 neigh 1234::5 remote-as 1
 neigh 1234::5 send-comm both
 afi-vrf v2 ena
 afi-vrf v2 red blackhole6 1
 red conn
 exit
server telnet tel
 vrf v1
 access-subnet 2
 access-blackhole4 1
 access-blackhole6 1
 port 666
 exit
!

addrouter r2
int eth1 eth 0000.0000.2222 $1b$ $1a$
!
vrf def v1
 rd 1:1
 exit
int lo1
 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::2 ffff::
 exit
!

addrouter r3
int eth1 eth 0000.0000.3333 $2b$ $2a$
!
vrf def v1
 rd 1:1
 exit
int lo1
 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::3 ffff::
 exit
!

addrouter r4
int eth1 eth 0000.0000.4444 $3b$ $3a$
!
vrf def v1
 rd 1:1
 exit
int lo1
 vrf for v1
 ipv4 addr 2.2.2.4 255.255.255.255
 ipv6 addr 4321::4 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.4 255.255.255.0
 ipv6 addr 1234::4 ffff::
 exit
!

addrouter r5
int eth1 eth 0000.0000.5555 $4b$ $4a$
!
vrf def v1
 rd 1:1
 exit
vrf def v2
 rd 1:2
 rt-both 1:2
 exit
int lo1
 vrf for v1
 ipv4 addr 2.2.2.5 255.255.255.255
 ipv6 addr 4321::5 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 exit
int eth1
 vrf for v1
 ipv4 addr 1.1.1.5 255.255.255.0
 ipv6 addr 1234::5 ffff::
 exit
router blackhole4 1
 vrf v2
 exit
router blackhole6 1
 vrf v2
 exit
router bgp4 1
 vrf v1
 address vpnuni uni
 local-as 1
 router-id 4.4.4.5
 neigh 1.1.1.1 remote-as 1
 neigh 1.1.1.1 send-comm both
 afi-vrf v2 ena
 afi-vrf v2 red blackhole4 1
 red conn
 exit
router bgp6 1
 vrf v1
 address vpnuni uni
 local-as 1
 router-id 6.6.6.5
 neigh 1234::1 remote-as 1
 neigh 1234::1 send-comm both
 afi-vrf v2 ena
 afi-vrf v2 red blackhole6 1
 red conn
 exit
server telnet tel
 vrf v1
 access-blackhole4 1
 access-blackhole6 1
 port 666
 exit
!


r1 tping 100 20 1.1.1.2 /vrf v1
r1 tping 100 20 1234::2 /vrf v1
r1 tping 100 20 1.1.1.3 /vrf v1
r1 tping 100 20 1234::3 /vrf v1
r1 tping 100 20 1.1.1.4 /vrf v1
r1 tping 100 20 1234::4 /vrf v1

r2 tping 100 20 1.1.1.1 /vrf v1
r2 tping 100 20 1234::1 /vrf v1
r3 tping 100 20 1.1.1.1 /vrf v1
r3 tping 100 20 1234::1 /vrf v1
r4 tping 100 20 1.1.1.1 /vrf v1
r4 tping 100 20 1234::1 /vrf v1

r5 tping 100 20 1.1.1.2 /vrf v1
r5 tping 100 20 1234::2 /vrf v1
r5 tping 100 20 1.1.1.3 /vrf v1
r5 tping 100 20 1234::3 /vrf v1
r5 tping 100 20 1.1.1.4 /vrf v1
r5 tping 100 20 1234::4 /vrf v1

r2 tping 100 20 1.1.1.5 /vrf v1
r2 tping 100 20 1234::5 /vrf v1
r3 tping 100 20 1.1.1.5 /vrf v1
r3 tping 100 20 1234::5 /vrf v1
r4 tping 100 20 1.1.1.5 /vrf v1
r4 tping 100 20 1234::5 /vrf v1

r1 tping 100 20 2.2.2.1 /vrf v1
r2 tping 0 20 2.2.2.1 /vrf v1
r3 tping 0 20 2.2.2.1 /vrf v1
r4 tping 0 20 2.2.2.1 /vrf v1
r5 tping 100 20 2.2.2.1 /vrf v1

r1 tping 100 20 2.2.2.5 /vrf v1
r2 tping 0 20 2.2.2.5 /vrf v1
r3 tping 0 20 2.2.2.5 /vrf v1
r4 tping 0 20 2.2.2.5 /vrf v1
r5 tping 100 20 2.2.2.5 /vrf v1

r2 send telnet 1.1.1.5 666 /vrf v1
r2 tping 100 20 2.2.2.5 /vrf v1
r2 send exit
r2 read closed
r2 send telnet 1234::5 666 /vrf v1
r2 tping 100 20 2.2.2.5 /vrf v1
r2 send exit
r2 read closed

r3 send telnet 1.1.1.5 666 /vrf v1
r3 tping 100 20 2.2.2.5 /vrf v1
r3 send exit
r3 read closed
r3 send telnet 1234::5 666 /vrf v1
r3 tping 100 20 2.2.2.5 /vrf v1
r3 send exit
r3 read closed

r4 send telnet 1.1.1.5 666 /vrf v1
r4 tping 100 20 2.2.2.5 /vrf v1
r4 send exit
r4 read closed
r4 send telnet 1234::5 666 /vrf v1
r4 tping 100 20 2.2.2.5 /vrf v1
r4 send exit
r4 read closed

r2 send telnet 1.1.1.1 666 /vrf v1
r2 tping 100 20 2.2.2.1 /vrf v1
r3 send telnet 1.1.1.1 666 /vrf v1
r3 tping 100 20 2.2.2.1 /vrf v1
r4 send telnet 1.1.1.1 666 /vrf v1
r4 tping 0 20 2.2.2.1 /vrf v1
r2 send exit
r2 read closed
r3 send exit
r3 read closed

r2 send telnet 1234::1 666 /vrf v1
r2 tping 100 20 2.2.2.1 /vrf v1
r3 send telnet 1234::1 666 /vrf v1
r3 tping 100 20 2.2.2.1 /vrf v1
r4 send telnet 1234::1 666 /vrf v1
r4 tping 0 20 2.2.2.1 /vrf v1
r2 send exit
r2 read closed
r3 send exit
r3 read closed

r2 send telnet 1.1.1.5 666 /vrf v1
r2 tping 0 20 2.2.2.5 /vrf v1
r2 send telnet 1234::5 666 /vrf v1
r2 tping 0 20 2.2.2.5 /vrf v1

r3 send telnet 1.1.1.5 666 /vrf v1
r3 tping 0 20 2.2.2.5 /vrf v1
r3 send telnet 1234::5 666 /vrf v1
r3 tping 0 20 2.2.2.5 /vrf v1

r4 send telnet 1.1.1.5 666 /vrf v1
r4 tping 0 20 2.2.2.5 /vrf v1
r4 send telnet 1234::5 666 /vrf v1
r4 tping 0 20 2.2.2.5 /vrf v1