Lab : Cấu hình mạng sử dụng bgp cc và eigrp soo

[admin]

Cấu hình

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

1. 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

1. 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

1. 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