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Router P1-AS1
Building configuration...
Current configuration : 970 bytes
!
version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname P1-AS1
!
logging queue-limit 100
!
ip subnet-zero
!
ip cef
mpls ldp logging neighbor-changes
!
interface Loopback0
ip address 10.10.10.200 255.255.255.255
!
interface Serial0/0
description Connected to PE1-AS1
ip address 10.10.10.2 255.255.255.252
tag-switching ip
clockrate 64000
!
interface Serial0/1
description Connected to PE2-AS1
ip address 10.10.10.6 255.255.255.252
tag-switching ip
!
router ospf 1
log-adjacency-changes
network 10.0.0.0 0.255.255.255 area 0
!
ip http server
ip classless
!
end
Router PE1-AS1
Building configuration...
Current configuration : 2084 bytes
!
version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname PE1-AS1
!
ip subnet-zero
!
ip vrf CustomerA
rd 1:100
route-target export 1:100
route-target import 1:100
!
ip cef
mpls ldp logging neighbor-changes
!
interface Loopback0
ip address 10.10.10.101 255.255.255.255
!
interface Serial0/0
description Connected to P1-AS1
ip address 10.10.10.1 255.255.255.252
tag-switching ip
no fair-queue
!
interface Serial1/1
description Connected to CE1-A
ip vrf forwarding CustomerA
ip address 172.16.1.1 255.255.255.252
clockrate 64000
!
interface Serial1/3
description Connected to CE3-A
ip vrf forwarding CustomerA
ip vrf sitemap SOO-VPNA
ip address 172.16.3.1 255.255.255.252
clockrate 64000
!
router eigrp 1
auto-summary
!
address-family ipv4 vrf CustomerA
redistribute bgp 1 metric 1000 100 255 1 1500
network 172.16.0.0
no auto-summary
autonomous-system 101
exit-address-family
!
router ospf 1
router-id 10.10.10.101
log-adjacency-changes
network 10.0.0.0 0.255.255.255 area 0
!
router bgp 1
no synchronization
bgp log-neighbor-changes
neighbor 10.10.10.102 remote-as 1
neighbor 10.10.10.102 update-source Loopback0
no auto-summary
!
address-family vpnv4
neighbor 10.10.10.102 activate
neighbor 10.10.10.102 send-community both
no auto-summary
exit-address-family
!
address-family ipv4 vrf CustomerA
redistribute eigrp 101
no auto-summary
no synchronization
exit-address-family
!
ip http server
ip classless
!
route-map SOO-VPNA permit 10
set extcommunity soo 1:10
!
call rsvp-sync
!
end
Router PE2-AS1
Building configuration...
Current configuration : 2255 bytes
!
version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname PE2-AS1
!
logging queue-limit 100
!
memory-size iomem 10
ip subnet-zero
!
ip vrf CustomerA
rd 1:100
route-target export 1:100
route-target import 1:100
!
ip cef
mpls ldp logging neighbor-changes
!
interface Loopback0
ip address 10.10.10.102 255.255.255.255
!
interface Ethernet0/0
no ip address
shutdown
half-duplex
!
interface Serial0/1
description Connected to P1-AS1
ip address 10.10.10.5 255.255.255.252
tag-switching ip
clockrate 64000
!
interface Serial1/2
description Connected to CE2-A
ip vrf forwarding CustomerA
ip address 172.16.2.1 255.255.255.252
!
interface Serial1/4
description Connected to CE4-A
ip vrf forwarding CustomerA
ip vrf sitemap SOO-VPNA
ip address 172.16.4.1 255.255.255.252
!
router eigrp 1
auto-summary
!
address-family ipv4 vrf CustomerA
redistribute bgp 1 metric 1000 100 255 1 1500
network 172.16.0.0
no auto-summary
autonomous-system 101
exit-address-family
!
router ospf 1
router-id 10.10.10.102
log-adjacency-changes
network 10.0.0.0 0.255.255.255 area 0
!
router bgp 1
no synchronization
bgp log-neighbor-changes
neighbor 10.10.10.101 remote-as 1
neighbor 10.10.10.101 update-source Loopback0
no auto-summary
!
address-family vpnv4
neighbor 10.10.10.101 activate
neighbor 10.10.10.101 send-community both
no auto-summary
exit-address-family
!
address-family ipv4 vrf CustomerA
redistribute eigrp 101
no auto-summary
no synchronization
exit-address-family
!
ip http server
ip classless
!
route-map SOO-VPNA permit 10
set extcommunity soo 1:20
!
call rsvp-sync
!
end
Router CE1-A
Building configuration...
Current configuration : 817 bytes
!
version 12.2
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname CE1-A
!
logging queue-limit 100
!
ip subnet-zero
!
mpls ldp logging neighbor-changes
!
interface Ethernet0/0
description VPN-A Site 1 network
ip address 172.16.10.1 255.255.255.0
half-duplex
no keepalive
!
interface Serial0/0
description Connected to PE1-AS1
ip address 172.16.1.2 255.255.255.252
!
router eigrp 101
network 172.16.0.0
no auto-summary
!
no ip http server
ip classless
!
call rsvp-sync
!
end
Router CE2-A
hostname CE2-A
!
memory-size iomem 10
ip subnet-zero
!
interface Ethernet0/0
description VPN-A Site 2 network
ip address 172.16.20.1 255.255.255.0
no keepalive
half-duplex
!
interface Serial0/0
description Connected to PE2-AS1
ip address 172.16.2.2 255.255.255.252
clockrate 64000
!
router eigrp 101
network 172.16.0.0
no auto-summary
no eigrp log-neighbor-changes
!
ip classless
ip http server
!
call rsvp-sync
!
end
Router CE3-A
Current configuration : 1034 bytes
!
version 12.2
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname CE3-A
!
logging queue-limit 100
!
ip subnet-zero
!
no ip domain lookup
!
mpls ldp logging neighbor-changes
!
interface Ethernet0/0
description VPN-A Site 3 network
ip address 172.16.30.1 255.255.255.0
half-duplex
no keepalive
!
interface Serial0/0
description Connected to PE1-AS1
ip address 172.16.3.2 255.255.255.252
no ip mroute-cache
no fair-queue
!
interface Serial0/1
description Connected to CE4-A
bandwidth 1000
ip vrf sitemap SOO-VPNA
ip address 172.16.5.1 255.255.255.252
clockrate 64000
!
router eigrp 101
network 172.16.0.0
no auto-summary
!
no ip http server
ip classless
!
route-map SOO-VPNA permit 10
set extcommunity soo 1:10
!
call rsvp-sync
!
end
Router CE4-A
Building configuration...
Current configuration : 1061 bytes
!
version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname CE4-A
!
logging queue-limit 100
!
ip subnet-zero
!
mpls ldp logging neighbor-changes
!
interface Ethernet0/0
description VPN-A Site 4 network
ip address 172.16.40.1 255.255.255.0
half-duplex
no keepalive
!
interface Serial0/0
description Connected to PE2-AS1
ip address 172.16.4.2 255.255.255.252
clockrate 64000
no fair-queue
!
interface Serial0/1
description Connected to CE3-A
bandwidth 1000
ip vrf sitemap SOO-VPNA
ip address 172.16.5.2 255.255.255.252
!
router eigrp 101
network 172.16.0.0
no auto-summary
!
ip http server
ip classless
!
route-map SOO-VPNA permit 10
set extcommunity soo 1:200
!
call rsvp-sync
!
end
Kiểm tra
- Kiểm tra đường đi
CE1-A#traceroute 172.16.20.1
Type escape sequence to abort.
Tracing the route to 172.16.20.1
1 172.16.1.1 16 msec 16 msec 16 msec
2 172.16.3.2 28 msec 28 msec 28 msec
3 172.16.5.2 44 msec 40 msec 44 msec
4 172.16.4.1 56 msec 56 msec 56 msec
5 172.16.2.2 68 msec 68 msec *
CE1-A#traceroute 172.16.40.1
Type escape sequence to abort.
Tracing the route to 172.16.40.1
1 172.16.1.1 16 msec 16 msec 16 msec
2 172.16.3.2 28 msec 28 msec 28 msec
3 172.16.5.2 80 msec 40 msec *
CE3-A#traceroute 172.16.20.1
Type escape sequence to abort.
Tracing the route to 172.16.20.1
1 172.16.5.2 16 msec 16 msec 16 msec
2 172.16.4.1 28 msec 28 msec 28 msec
3 172.16.2.2 45 msec * 41 msec
CE3-A#traceroute 172.16.40.1
Type escape sequence to abort.
Tracing the route to 172.16.40.1
1 172.16.5.2 16 msec * 13 msec
- Kiểm tra các thuộc tính BGP extended community
PE1-AS1#show ip bgp vpnv4 vrf CustomerA 172.16.20.1
BGP routing table entry for 1:100:172.16.20.0/24, version 19
Paths: (2 available, best #2, table CustomerA)
Advertised to non peer-group peers:
10.10.10.102
Local
10.10.10.102 (metric 129) from 10.10.10.102 (10.10.10.102)
Origin incomplete, metric 20537600, localpref 100, valid, internal
Extended Community: RT:1:100 0x8800:32768:0 0x8801:101:537600 0x8802:32769:20000000 0x8803:32769:1500
Local
172.16.3.2 from 0.0.0.0 (10.10.10.101)
Origin incomplete, metric 22073600, localpref 100, weight 32768, valid, sourced, best
Extended Community: SoO:1:10 RT:1:100 0x8800:32768:0 0x8801:101:2073600 0x8802:32772:20000000 0x8803:32769:1500
PE1-AS1#show ip bgp vpnv4 vrf CustomerA 172.16.40.1
BGP routing table entry for 1:100:172.16.40.0/24, version 13
Paths: (2 available, best #2, table CustomerA)
Advertised to non peer-group peers:
10.10.10.102
Local
10.10.10.102 (metric 129) from 10.10.10.102 (10.10.10.102)
Origin incomplete, metric 20537600, localpref 100, valid, internal
Extended Community: SoO:1:20 RT:1:100 0x8800:32768:0 0x8801:101:537600 0x8802:61697:20000000 0x8803:61697:1500
Local
172.16.3.2 from 0.0.0.0 (10.10.10.101)
Origin incomplete, metric 21049600, localpref 100, weight 32768, valid, sourced, best
Extended Community: SoO:1:10 RT:1:100 0x8800:32768:0 0x8801:101:1049600 0x8802:61698:20000000 0x8803:61697:1500
PE2-AS1#show ip bgp vpnv4 vrf CustomerA 172.16.10.0
BGP routing table entry for 1:100:172.16.10.0/24, version 16
Paths: (2 available, best #2, table CustomerA)
Advertised to non peer-group peers:
10.10.10.101
Local
10.10.10.101 (metric 129) from 10.10.10.101 (10.10.10.101)
Origin incomplete, metric 20537600, localpref 100, valid, internal
Extended Community: RT:1:100 0x8800:32768:0 0x8801:101:537600 0x8802:32769:20000000 0x8803:32769:1500
Local
172.16.4.2 from 0.0.0.0 (10.10.10.102)
Origin incomplete, metric 22073600, localpref 100, weight 32768, valid, sourced, best
Extended Community: SoO:1:20 RT:1:100 0x8800:32768:0 0x8801:101:2073600 0x8802:32772:20000000 0x8803:32769:1500
PE2-AS1#show ip bgp vpnv4 vrf CustomerA 172.16.30.0
BGP routing table entry for 1:100:172.16.30.0/24, version 18
Paths: (2 available, best #2, table CustomerA)
Advertised to non peer-group peers:
10.10.10.101
Local
10.10.10.101 (metric 129) from 10.10.10.101 (10.10.10.101)
Origin incomplete, metric 20537600, localpref 100, valid, internal
Extended Community: SoO:1:10 RT:1:100 0x8800:32768:0 0x8801:101:537600 0x8802:32769:20000000 0x8803:32769:1500
Local
172.16.4.2 from 0.0.0.0 (10.10.10.102)
Origin incomplete, metric 21049600, localpref 100, weight 32768, valid, sourced, best
Extended Community: SoO:1:20 RT:1:100 0x8800:32768:0 0x8801:101:1049600 0x8802:32770:20000000 0x8803:32769:1500
- Kiểm tra bảng định tuyến
CE3-A#show ip route eigrp
172.16.0.0/16 is variably subnetted, 9 subnets, 2 masks
D 172.16.40.0/24 [90/3097600] via 172.16.5.2, 00:45:57, Serial0/1
D 172.16.20.0/24 [90/21561600] via 172.16.5.2, 00:28:44, Serial0/1
D 172.16.10.0/24 [90/21049600] via 172.16.3.1, 00:37:54, Serial0/0
D 172.16.4.0/30 [90/3584000] via 172.16.5.2, 00:29:46, Serial0/1
D 172.16.1.0/30 [90/21024000] via 172.16.3.1, 00:37:56, Serial0/0
D 172.16.2.0/30 [90/21536000] via 172.16.5.2, 00:28:47, Serial0/1
CE4-A#show ip route eigrp
172.16.0.0/16 is variably subnetted, 9 subnets, 2 masks
D 172.16.30.0/24 [90/3097600] via 172.16.5.1, 00:49:26, Serial0/1
D 172.16.20.0/24 [90/21049600] via 172.16.4.1, 00:32:12, Serial0/0
D 172.16.10.0/24 [90/21561600] via 172.16.5.1, 00:41:22, Serial0/1
D 172.16.1.0/30 [90/21536000] via 172.16.5.1, 00:41:25, Serial0/1
D 172.16.2.0/30 [90/21024000] via 172.16.4.1, 00:32:15, Serial0/0
D 172.16.3.0/30 [90/3584000] via 172.16.5.1, 00:42:40, Serial0/1