Hari ke-5 saya akan menulis mengenai MPLS dasar mulai dari OSPF, LDP, BGP, MP-BGP dan PE-CE routing menggunakan RIP dan EIGRP. Mari kita mulai dari konfigurasi alamat IP.

Konfigurasi PE1:

interface Loopback0
 ip address 10.10.10.1 255.255.255.255
!
interface FastEthernet0/0
 ip address 192.168.10.1 255.255.255.252
!
router ospf 1
 log-adjacency-changes
 network 10.10.10.1 0.0.0.0 area 0
 network 192.168.10.1 0.0.0.0 area 0

 

Konfigurasi P:

interface Loopback0
 ip address 10.10.10.10 255.255.255.255
!
interface FastEthernet0/0
 ip address 192.168.10.2 255.255.255.252
!
interface FastEthernet0/1
 ip address 192.168.20.1 255.255.255.252
!
router ospf 1
 network 10.10.10.10 0.0.0.0 area 0
 network 192.168.10.2 0.0.0.0 area 0
 network 192.168.20.1 0.0.0.0 area 0

 

Konfigurasi PE2:

interface Loopback0
 ip address 10.10.10.2 255.255.255.252
!
interface FastEthernet0/0
 ip address 192.168.20.2 255.255.255.252
!
router ospf 1
 network 10.10.10.2 0.0.0.0 area 0
 network 192.168.20.2 0.0.0.0 area 0

 

Konfigurasi di CE-A1:

interface Loopback0
 ip address 10.0.0.1 255.255.255.255
!
interface Serial0/0
 ip address 192.168.0.2 255.255.255.252

 

Konfigurasi di CE-A2

interface Loopback0
 ip address 10.0.0.2 255.255.255.255
!
interface Serial0/0
 ip address 192.168.0.6 255.255.255.252

 

Konfigurasi di CE-B1

interface Loopback0
 ip address 10.0.0.1 255.255.255.255
!
interface Serial0/0
 ip address 192.168.0.2 255.255.255.252

 

Konfigurasi di CE-B2

interface Loopback0
 ip address 10.0.0.2 255.255.255.255
!
interface Serial0/0
 ip address 192.168.0.6 255.255.255.252

 

Setelah konfigurasi dasar IP dan OSPF selesai kita lanjut dengan menjalankan Label Distribution Protocol (LDP).

Konfigurasi PE1:

mpls ldp router-id Loopback0
!
mpls ip
!
interface FastEthernet0/0
 mpls ip

 

Konfigurasi P:

mpls ldp router-id Loopback0
!
mpls ip
!
interface FastEthernet0/0
 mpls ip
!
interface FastEthernet0/1
 mpls ip

 

Konfigurasi PE2:

mpls ldp router-id Loopback0
!
mpls ip
!
interface FastEthernet0/0
 mpls ip

 

Kita bisa mengecek status neighbor LDP dengan perintah show mpls ldp neighbor.

PE1#sh mpls ldp neighbor
 Peer LDP Ident: 10.10.10.10:0; Local LDP Ident 10.10.10.1:0
 TCP connection: 10.10.10.10.25695 - 10.10.10.1.646
 State: Oper; Msgs sent/rcvd: 8/8; Downstream
 Up time: 00:00:20
 LDP discovery sources:
 FastEthernet0/0, Src IP addr: 192.168.10.2
 Addresses bound to peer LDP Ident:
 192.168.10.2 10.10.10.10 192.168.20.1

P#sh mpls ldp neighbor
 Peer LDP Ident: 10.10.10.1:0; Local LDP Ident 10.10.10.10:0
 TCP connection: 10.10.10.1.646 - 10.10.10.10.25695
 State: Oper; Msgs sent/rcvd: 8/9; Downstream
 Up time: 00:00:54
 LDP discovery sources:
 FastEthernet0/0, Src IP addr: 192.168.10.1
 Addresses bound to peer LDP Ident:
 192.168.10.1 10.10.10.1
 Peer LDP Ident: 10.10.10.2:0; Local LDP Ident 10.10.10.10:0
 TCP connection: 10.10.10.2.646 - 10.10.10.10.25231
 State: Oper; Msgs sent/rcvd: 9/9; Downstream
 Up time: 00:00:54
 LDP discovery sources:
 FastEthernet0/1, Src IP addr: 192.168.20.2
 Addresses bound to peer LDP Ident:
 192.168.20.2 10.10.10.2

PE2#sh mpls ldp neighbor
 Peer LDP Ident: 10.10.10.10:0; Local LDP Ident 10.10.10.2:0
 TCP connection: 10.10.10.10.25231 - 10.10.10.2.646
 State: Oper; Msgs sent/rcvd: 9/9; Downstream
 Up time: 00:01:06
 LDP discovery sources:
 FastEthernet0/0, Src IP addr: 192.168.20.1
 Addresses bound to peer LDP Ident:
 192.168.10.2 10.10.10.10 192.168.20.1

 

Sampai di sini tidak ada penambahan konfigurasi untuk router P. Sekarang mari kita konfigurasi VRF untuk site A dan B.

Di PE1:

ip vrf B1
 rd 65000:2
 route-target export 65000:2
 route-target import 65000:2

 

Di PE2:

ip vrf A2
 rd 65000:1
 route-target export 65000:1
 route-target import 65000:1
!
ip vrf B2
 rd 65000:2
 route-target export 65000:2
 route-target import 65000:2

 

Setelah itu kita konfigurasi BGP dan MP-BGP.

BGP di PE1:

router bgp 65000
 neighbor 10.10.10.2 remote-as 65000
 neighbor 10.10.10.2 update-source Loopback0

 

MP-BGP di PE1:

router bgp 65000
 !
 address-family vpnv4
 neighbor 10.10.10.2 activate
 neighbor 10.10.10.2 send-community extended

 

BGP di PE2:

router bgp 65000
 neighbor 10.10.10.1 remote-as 65000
 neighbor 10.10.10.1 update-source Loopback0

 

MP-BGP di PE1:

router bgp 65000
 !
 address-family vpnv4
 neighbor 10.10.10.1 activate
 neighbor 10.10.10.1 send-community extended

 

Mari kita cek status neighbor untuk BGP dan MP-BGP.

BGP

PE1#sh ip bgp summary
BGP router identifier 10.10.10.1, local AS number 65000
BGP table version is 1, main routing table version 1

Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.10.10.2 4 65000 19 19 1 0 0 00:14:25 0

PE2#sh ip bgp summary
BGP router identifier 10.10.10.2, local AS number 65000
BGP table version is 1, main routing table version 1

Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.10.10.1 4 65000 19 19 1 0 0 00:14:41 0

 

MP-BGP

PE1#sh ip bgp vpnv4 all summary
BGP router identifier 10.10.10.1, local AS number 65000
BGP table version is 9, main routing table version 9
4 network entries using 560 bytes of memory
4 path entries using 272 bytes of memory
3/2 BGP path/bestpath attribute entries using 372 bytes of memory
1 BGP extended community entries using 24 bytes of memory
0 BGP route-map cache entries using 0 bytes of memory
0 BGP filter-list cache entries using 0 bytes of memory
Bitfield cache entries: current 1 (at peak 1) using 32 bytes of memory
BGP using 1260 total bytes of memory
BGP activity 4/0 prefixes, 4/0 paths, scan interval 15 secs

Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.10.10.2 4 65000 20 20 9 0 0 00:15:05 2

PE2#sh ip bgp vpnv4 all summary
BGP router identifier 10.10.10.2, local AS number 65000
BGP table version is 9, main routing table version 9
4 network entries using 560 bytes of memory
4 path entries using 272 bytes of memory
3/2 BGP path/bestpath attribute entries using 372 bytes of memory
1 BGP extended community entries using 24 bytes of memory
0 BGP route-map cache entries using 0 bytes of memory
0 BGP filter-list cache entries using 0 bytes of memory
Bitfield cache entries: current 1 (at peak 1) using 32 bytes of memory
BGP using 1260 total bytes of memory
BGP activity 4/0 prefixes, 4/0 paths, scan interval 15 secs

Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd
10.10.10.1 4 65000 20 20 9 0 0 00:15:33 2

 

Sampai di sini kita sudah siap untuk menambahkan customer A dan B ke dalam MPLS. Pertama kita akan menambahkan customer A dengan menggunakan routing protocol RIP.

Konfigurasi di PE1:

ip vrf A1
 rd 65000:1
 route-target export 65000:1
 route-target import 65000:1
!
interface Serial0/0
 ip vrf forwarding A1
 ip address 192.168.0.1 255.255.255.252
!
router rip
 version 2
 !
 address-family ipv4 vrf A1
 redistribute bgp 65000 metric transparent
 network 192.168.0.0
 no auto-summary
 version 2
!
router bgp 65000
 !
 address-family ipv4 vrf A1
 redistribute rip

 

Konfigurasi di PE2:

ip vrf A2
 rd 65000:1
 route-target export 65000:1
 route-target import 65000:1
!
interface Serial0/0
 ip vrf forwarding A2
 ip address 192.168.0.5 255.255.255.252
!
router rip
 version 2
 !
 address-family ipv4 vrf A2
 redistribute bgp 65000 metric transparent
 network 192.168.0.0
 no auto-summary
 version 2
!
router bgp 65000
 !
 address-family ipv4 vrf A2
 redistribute rip

 

Konfigurasi di CE-A1

router rip
 version 2
 network 0.0.0.0
 no auto-summary

 

Konfigurasi di CE-A2

router rip
 version 2
 network 0.0.0.0
 no auto-summary

 

Mari kita cek tabel routing di CE-A1 dan CE-A2.

CE-A1#sh ip route rip
 10.0.0.0/32 is subnetted, 2 subnets
R 10.0.0.2 [120/2] via 192.168.0.1, 00:00:15, Serial0/0
 192.168.0.0/30 is subnetted, 2 subnets
R 192.168.0.4 [120/1] via 192.168.0.1, 00:00:15, Serial0/0

CE-A1#ping 10.0.0.2

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/16/24 ms

CE-A2#sh ip route rip
 10.0.0.0/32 is subnetted, 2 subnets
R 10.0.0.1 [120/2] via 192.168.0.5, 00:00:25, Serial0/0
 192.168.0.0/30 is subnetted, 2 subnets
R 192.168.0.0 [120/1] via 192.168.0.5, 00:00:25, Serial0/0

CE-A2#ping 10.0.0.1

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/11/16 ms

 

Selanjutnya kita akan menambahkan customer B dengan routing protocol EIGRP

Konfigurasi di PE1:

ip vrf B1
 rd 65000:2
 route-target export 65000:2
 route-target import 65000:2
!
interface Serial0/1
 ip vrf forwarding B1
 ip address 192.168.0.1 255.255.255.252
!
router eigrp 65000
 !
 address-family ipv4 vrf B1
 redistribute bgp 65000 metric 1 1 1 1 1
 network 192.168.0.0
 no auto-summary
 autonomous-system 100
!
router bgp 65000
 !
 address-family ipv4 vrf B1
 redistribute eigrp 100

 

Konfigurasi di PE2:

ip vrf B2
 rd 65000:2
 route-target export 65000:2
 route-target import 65000:2
!
interface Serial0/1
 ip vrf forwarding B2
 ip address 192.168.0.1 255.255.255.252
!
router eigrp 65000
 !
 address-family ipv4 vrf B2
 redistribute bgp 65000 metric 1 1 1 1 1
 network 192.168.0.0
 no auto-summary
 autonomous-system 100
!
router bgp 65000
 !
 address-family ipv4 vrf B2
 redistribute eigrp 100

 

Konfigurasi di CE-B1

router eigrp 100
 network 10.0.0.0
 network 192.168.0.0
 no auto-summary

 

Konfigurasi di CE-B2

router eigrp 100
 network 10.0.0.0
 network 192.168.0.0
 no auto-summary

 

Kita cek lagi tabel routing di CE-B1 dan CE-B2.

CE-B1#sh ip route eigrp
 10.0.0.0/32 is subnetted, 2 subnets
D 10.0.0.2 [90/2809856] via 192.168.0.1, 00:06:56, Serial0/0
 192.168.0.0/30 is subnetted, 2 subnets
D 192.168.0.4 [90/2681856] via 192.168.0.1, 00:06:56, Serial0/0

CE-B1#ping 10.0.0.2

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.2, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 8/12/16 ms

CE-B2#sh ip route eigrp
 10.0.0.0/32 is subnetted, 2 subnets
D 10.0.0.1 [90/2809856] via 192.168.0.5, 00:07:38, Serial0/0
 192.168.0.0/30 is subnetted, 2 subnets
D 192.168.0.0 [90/2681856] via 192.168.0.5, 00:07:38, Serial0/0
CE-B2#ping 10.0.0.1

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.0.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 12/13/16 ms

 

Sekarang mari kita menambahkan multicast di B1 dan B2. Kita konfigurasi multicast dengan static RP melewati tunnel GRE.

Konfigurasi B1:

ip multicast-routing
!
interface Loopback0
 ip pim sparse-mode
 ip igmp join-group 239.0.0.1
!
interface Tunnel1
 ip address 12.12.12.1 255.255.255.252
 ip pim sparse-mode
 tunnel source Loopback0
 tunnel destination 10.0.0.2
!
ip pim rp-address 10.0.0.1

 

Konfigurasi B2:

ip multicast-routing
!
interface Loopback0
 ip pim sparse-mode
!
interface Tunnel1
 ip address 12.12.12.2 255.255.255.252
 ip pim sparse-mode
 tunnel source Loopback0
 tunnel destination 10.0.0.1
!
ip pim rp-address 10.0.0.1

 

Mari kita ping IP multicast 239.0.0.1 dari B2

CE-B2#ping 239.0.0.1

Type escape sequence to abort.
Sending 1, 100-byte ICMP Echos to 239.0.0.1, timeout is 2 seconds:

Reply to request 0 from 12.12.12.1, 16 ms

 

Mari kita lihat juga informasi tentang RP di B2.

CE-B2#sh ip mroute
 IP Multicast Routing Table
 Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,
 L - Local, P - Pruned, R - RP-bit set, F - Register flag,
 T - SPT-bit set, J - Join SPT, M - MSDP created entry,
 X - Proxy Join Timer Running, A - Candidate for MSDP Advertisement,
 U - URD, I - Received Source Specific Host Report,
 Z - Multicast Tunnel, z - MDT-data group sender,
 Y - Joined MDT-data group, y - Sending to MDT-data group
 Outgoing interface flags: H - Hardware switched, A - Assert winner
 Timers: Uptime/Expires
 Interface state: Interface, Next-Hop or VCD, State/Mode

(*, 239.0.0.1), 00:10:07/stopped, RP 10.0.0.1, flags: SPF
 Incoming interface: Null, RPF nbr 0.0.0.0
 Outgoing interface list: Null

(12.12.12.2, 239.0.0.1), 00:03:36/00:02:26, flags: PFT
 Incoming interface: Tunnel1, RPF nbr 0.0.0.0, Registering
 Outgoing interface list: Null

(*, 224.0.1.40), 00:11:37/00:02:35, RP 10.0.0.1, flags: SJCL
 Incoming interface: Null, RPF nbr 0.0.0.0
 Outgoing interface list:
 Loopback0, Forward/Sparse, 00:11:37/00:02:35
 CE-B2#sh ip pim rp mapping
 PIM Group-to-RP Mappings

Group(s): 224.0.0.0/4, Static
 RP: 10.0.0.1 (?)