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version 12.4
service timestamps debug datetime
service timestamps log datetime
service password-encryption
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hostname EXT_PE
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boot-start-marker
boot-end-marker
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enable secret 5 $1$EFrv$Q6NZkC15IH4PY5lLKE4DW/
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no aaa new-model
memory-size iomem 5
ip cef
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multilink bundle-name authenticated
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archive
 log config
  hidekeys
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interface Loopback0
 description LAN
 ip address 172.20.0.1 255.255.0.0
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interface Loopback1
 description LAN
 ip address 172.21.0.1 255.255.0.0
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interface Loopback2
 description LAN
 ip address 172.22.0.1 255.255.0.0
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interface Loopback3
 description LAN
 ip address 172.23.0.1 255.255.0.0
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interface FastEthernet0/0
 description EXTERNAL IC to EXT_PE_RRC fa2/0
 ip address 172.19.253.2 255.255.255.252
 speed 100
 full-duplex
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interface FastEthernet0/1
 no ip address
 shutdown
 duplex auto
 speed auto
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router bgp 65002
 no synchronization
 bgp log-neighbor-changes
 network 172.20.0.0
 network 172.21.0.0
 network 172.22.0.0
 network 172.23.0.0
 neighbor 172.19.253.1 remote-as 65001
 neighbor 172.19.253.1 next-hop-self
 neighbor 172.19.253.1 send-community
 neighbor 172.19.253.1 soft-reconfiguration inbound
 neighbor 172.19.253.1 route-map COLORIZE_IN in
 neighbor 172.19.253.1 filter-list 2 in
 neighbor 172.19.253.1 route-map STRIP_COLORS_OUT out
 neighbor 172.19.253.1 filter-list 1 out
 no auto-summary
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ip forward-protocol nd
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ip bgp-community new-format
ip as-path access-list 1 deny 65001
ip as-path access-list 1 permit ^(65002_)*(_[0-9]+)*$
ip as-path access-list 1 deny .*
ip as-path access-list 2 deny _(_[0-9]+)_\1_\1_\1_\1_\1_\1_\1_\1_\1_
ip as-path access-list 2 permit ^(65001_)+([0-9]+)*$
ip as-path access-list 2 deny .*
ip as-path access-list 3 permit ^(65001_)+([0-9]+)+$
ip as-path access-list 3 deny .*
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ip http server
no ip http secure-server
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ip prefix-list ISP1 seq 5 permit 172.19.0.0/16
ip prefix-list ISP1 seq 10 permit 172.25.0.0/16
ip prefix-list ISP1 seq 15 permit 172.26.0.0/16
ip prefix-list ISP1 seq 20 permit 172.27.0.0/16
ip prefix-list ISP1 seq 25 permit 172.28.0.0/16
ip prefix-list ISP1 seq 30 permit 172.29.0.0/16
ip prefix-list ISP1 seq 35 permit 172.30.0.0/16
route-map COLORIZE_IN permit 10
 match ip address prefix-list ISP1
 set community 65001:1000 additive
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route-map COLORIZE_IN permit 20
 match as-path 3
 set community 65001:2000
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route-map COLORIZE_IN deny 300
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route-map STRIP_COLORS_OUT permit 10
 set community none
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control-plane
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line con 0
line aux 0
line vty 0 4
 password 7 02050D480809
 login
line vty 5 15
 password 7 02050D480809
 login
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end