description bgp change in aspath

addrouter r1
int eth1 eth 0000.0000.1111 $1a$ $1b$
!
vrf def v1
 rd 1:1
 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
 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
 neigh 1.1.1.4 remote-as 1
 neigh 1.1.1.4 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
 neigh 1234:1::4 remote-as 1
 neigh 1234:1::4 route-reflect
 red conn
 exit
!

addrouter r2
int eth1 eth 0000.0000.2222 $1b$ $1a$
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 2.2.2.2 255.255.255.255
 ipv6 addr 4321::2 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 1.1.1.2 255.255.255.0
 ipv6 addr 1234:1::2 ffff:ffff::
 exit
route-map rm1
 sequence 10 act deny
 sequence 10 match aspath .*5000.*
 sequence 20 act perm
 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
 neigh 1.1.1.1 route-map-in rm1
 red conn
 exit
router bgp6 1
 vrf v1
 address uni
 local-as 1
 router-id 6.6.6.2
 neigh 1234:1::1 remote-as 1
 neigh 1234:1::1 route-map-in rm1
 red conn
 exit
!

addrouter r3
int eth1 eth 0000.0000.3333 $2b$ $2a$
int eth2 eth 0000.0000.3333 $3a$ $3b$
!
vrf def v1
 rd 1:1
 exit
bridge 1
 mac-learn
 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
 bridge-gr 1
 exit
int eth2
 bridge-gr 1
 exit
int bvi1
 vrf for v1
 ipv4 addr 1.1.1.3 255.255.255.0
 ipv6 addr 1234:1::3 ffff:ffff::
 exit
route-map rm1
 set aspath .*1000.*
 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
 red conn route-map rm1
 exit
router bgp6 1
 vrf v1
 address uni
 local-as 1
 router-id 6.6.6.3
 neigh 1234:1::1 remote-as 1
 red conn route-map rm1
 exit
!

addrouter r4
int eth1 eth 0000.0000.4444 $3b$ $3a$
!
vrf def v1
 rd 1:1
 exit
int lo0
 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 1234:1::4 ffff:ffff::
 exit
route-map rm1
 sequence 10 act deny
 sequence 10 match aspath .*3000.*
 sequence 20 act perm
 exit
router bgp4 1
 vrf v1
 address uni
 local-as 1
 router-id 4.4.4.4
 neigh 1.1.1.1 remote-as 1
 neigh 1.1.1.1 route-map-in rm1
 red conn
 exit
router bgp6 1
 vrf v1
 address uni
 local-as 1
 router-id 6.6.6.4
 neigh 1234:1::1 remote-as 1
 neigh 1234:1::1 route-map-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
r1 tping 100 60 2.2.2.4 vrf v1
r1 tping 100 60 4321::4 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
r2 tping 100 60 2.2.2.4 vrf v1
r2 tping 100 60 4321::4 vrf v1

r3 tping 100 60 2.2.2.1 vrf v1
r3 tping 100 60 4321::1 vrf v1
r3 tping 100 60 2.2.2.2 vrf v1
r3 tping 100 60 4321::2 vrf v1
r3 tping 100 60 2.2.2.4 vrf v1
r3 tping 100 60 4321::4 vrf v1

r4 tping 100 60 2.2.2.1 vrf v1
r4 tping 100 60 4321::1 vrf v1
r4 tping 100 60 2.2.2.2 vrf v1
r4 tping 100 60 4321::2 vrf v1
r4 tping 100 60 2.2.2.3 vrf v1
r4 tping 100 60 4321::3 vrf v1

r3 send conf t
r3 send route-map rm1
r3 send set aspath 3000 4321
r3 send end
r3 send clear ipv4 route v1
r3 send clear ipv6 route v1

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
r1 tping 100 60 2.2.2.4 vrf v1
r1 tping 100 60 4321::4 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
r2 tping 100 60 2.2.2.4 vrf v1
r2 tping 100 60 4321::4 vrf v1

r3 tping 100 60 2.2.2.1 vrf v1
r3 tping 100 60 4321::1 vrf v1
r3 tping 100 60 2.2.2.2 vrf v1
r3 tping 100 60 4321::2 vrf v1
r3 tping 100 60 2.2.2.4 vrf v1
r3 tping 100 60 4321::4 vrf v1

r4 tping 100 60 2.2.2.1 vrf v1
r4 tping 100 60 4321::1 vrf v1
r4 tping 100 60 2.2.2.2 vrf v1
r4 tping 100 60 4321::2 vrf v1
r4 tping 0 60 2.2.2.3 vrf v1
r4 tping 0 60 4321::3 vrf v1

r3 send conf t
r3 send route-map rm1
r3 send set aspath 1234 5000
r3 send end
r3 send clear ipv4 route v1
r3 send clear ipv6 route v1

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
r1 tping 100 60 2.2.2.4 vrf v1
r1 tping 100 60 4321::4 vrf v1

r2 tping 100 60 2.2.2.1 vrf v1
r2 tping 100 60 4321::1 vrf v1
r2 tping 0 60 2.2.2.3 vrf v1
r2 tping 0 60 4321::3 vrf v1
r2 tping 100 60 2.2.2.4 vrf v1
r2 tping 100 60 4321::4 vrf v1

r3 tping 100 60 2.2.2.1 vrf v1
r3 tping 100 60 4321::1 vrf v1
r3 tping 100 60 2.2.2.2 vrf v1
r3 tping 100 60 4321::2 vrf v1
r3 tping 100 60 2.2.2.4 vrf v1
r3 tping 100 60 4321::4 vrf v1

r4 tping 100 60 2.2.2.1 vrf v1
r4 tping 100 60 4321::1 vrf v1
r4 tping 100 60 2.2.2.2 vrf v1
r4 tping 100 60 4321::2 vrf v1
r4 tping 100 60 2.2.2.3 vrf v1
r4 tping 100 60 4321::3 vrf v1

r3 send conf t
r3 send route-map rm1
r3 send set aspath 1000
r3 send end
r3 send clear ipv4 route v1
r3 send clear ipv6 route v1

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
r1 tping 100 60 2.2.2.4 vrf v1
r1 tping 100 60 4321::4 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
r2 tping 100 60 2.2.2.4 vrf v1
r2 tping 100 60 4321::4 vrf v1

r3 tping 100 60 2.2.2.1 vrf v1
r3 tping 100 60 4321::1 vrf v1
r3 tping 100 60 2.2.2.2 vrf v1
r3 tping 100 60 4321::2 vrf v1
r3 tping 100 60 2.2.2.4 vrf v1
r3 tping 100 60 4321::4 vrf v1

r4 tping 100 60 2.2.2.1 vrf v1
r4 tping 100 60 4321::1 vrf v1
r4 tping 100 60 2.2.2.2 vrf v1
r4 tping 100 60 4321::2 vrf v1
r4 tping 100 60 2.2.2.3 vrf v1
r4 tping 100 60 4321::3 vrf v1