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router bgp 65001
bgp router-id 192.0.2.1
no bgp network import-check
neighbor 203.0.113.1 remote-as 65002
neighbor 203.0.113.1 description r2
neighbor 203.0.113.1 timers 3 10
neighbor 203.0.113.3 remote-as 5555
neighbor 203.0.113.3 description r5
neighbor 203.0.113.3 timers 3 10
!
address-family ipv4 unicast
network 100.64.0.0/32
network 100.64.0.1/32
network 100.64.0.2/32
network 100.64.0.3/32
network 100.64.0.4/32
network 100.64.0.5/32
neighbor 203.0.113.1 route-map set-as-paths out
neighbor 203.0.113.3 route-map set-as-paths out
exit-address-family
!
ip prefix-list match-0 seq 5 permit 100.64.0.0/32
ip prefix-list match-1 seq 5 permit 100.64.0.1/32
ip prefix-list match-2 seq 5 permit 100.64.0.2/32
ip prefix-list match-3 seq 5 permit 100.64.0.3/32
ip prefix-list match-4 seq 5 permit 100.64.0.4/32
!
! all private
! at r3/r4, as-path should only have r2's asn
route-map set-as-paths permit 10
match ip address prefix-list match-0
set as-path prepend 4200000000 4200000001 4200000002
!
! all private, include r3's asn
! at r3/r4, as-path should only have r2's asn
route-map set-as-paths permit 20
match ip address prefix-list match-1
set as-path prepend 65003 4200000000 4200000001 4200000002 65003
!
! mix of private/public
route-map set-as-paths permit 30
match ip address prefix-list match-2
set as-path prepend 4200000000 1000 4200000001 2000 4200000002
!
! mix of private/public, include r3's asn multiple times
route-map set-as-paths permit 40
match ip address prefix-list match-3
set as-path prepend 65003 4200000000 1000 4200000001 2000 4200000002 65003
!
! all public
route-map set-as-paths permit 50
match ip address prefix-list match-4
set as-path prepend 1000 2000 2000 3000
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