Download miễn phí Ebook Chuyển mạch nhãn đa giao thức ( MPLS Multiprotocol Label Switching )



Mục lục
Chương 1: TỔNG QUAN VỀMPLS . 3
Chương 2: CẤU HÌNH MPLS CƠBẢN . 13
LAB 2-1: Cấu hình MPLS frame-mode cơbản . 16
Chương 3: TỔNG QUAN VỀMPLS VPN . 28
Chương 4: GIAO THỨC ĐỊNH TUYẾN EIGRP PE-CE. 43
LAB 4-1: Cấu hình định tuy ến EIGRP PE-CE cơbản. 46
LAB 4-2: Cấu hình mạng sửdụng BGP CC và EIGRP SoO . 62
Chương 5: GIAO THỨC ĐỊNH TUYẾN OSPF PE-CE. 75
LAB 5-1 – Cấu hình định tuy ến OSPF PE-CE . 86
LAB 5-2—OSPF Sham-Links .101
Chương 6: KỸTHUẬT LƯU LƯỢNG TRONG MPLS .112


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ter 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
!
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Trần Thị Tố Uyên 68
route-map SOO-VPNA permit 10
set extcommunity soo 1:20
!
call rsvp-sync
!
!
end
Router CE1-A
CE1-A#show run
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
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Trần Thị Tố Uyên 69
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
CE3-A#show run
Building configuration...
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
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Trần Thị Tố Uyên 70
!
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
CE4-A#show running-config
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
!
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Trần Thị Tố Uyên 71
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
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Trần Thị Tố Uyên 72
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
(2) 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, phiên bản 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, phiên bản 13
Paths: (2 available, best #2, table CustomerA)
Advertised to non peer-group peers:
10.10.10.102
Local
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Trần Thị Tố Uyên 73
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, phiên bản 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, phiên bản 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
(3) 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
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Trần Thị Tố Uyên 74
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 s...

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