MPLS

MPLS

 

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  1. IP address yapılandırması.
Cihazların IP address ve mask adreslerini ayarlayalım.
<Huawei>system-view
Enter system view, return user view with Ctrl+Z.
[Huawei]sysname S1
[S1]interface Vlanif 1
[S1-Vlanif1]ip address 10.0.1.2 24
<Huawei>system-view
Enter system view, return user view with Ctrl+Z.
[Huawei]sysname R1
[R1]interface GigabitEthernet 0/0/1
[R1-GigabitEthernet0/0/1]ip address 10.0.1.1 24
[R1-GigabitEthernet0/0/1]quit
[R1]interface s1/0/0
[R1-Serial1/0/0]ip address 10.0.12.1 24
[R1-Serial1/0/0]quit
[R1]interface loopback 0
[R1-LoopBack0]ip address 2.2.2.2 24
<Huawei>system-view
Enter system view, return user view with Ctrl+Z.
[Huawei]sysname R2
[R2]interface s1/0/0
[R2-Serial1/0/0]ip address 10.0.12.2 24
[R2-Serial1/0/0]quit
[R2]interface s2/0/0
[R2-Serial2/0/0]ip address 10.0.23.2 24
[R2-Serial2/0/0]quit
[R2]interface loopback 0
[R2-LoopBack0]ip address 3.3.3.3 24
<Huawei>system-view
Enter system view, return user view with Ctrl+Z.
[Huawei]sysname R3
[R3]interface GigabitEthernet 0/0/2
[R3-GigabitEthernet0/0/2]ip address 10.0.2.1 24
[R3-GigabitEthernet0/0/2]quit
[R3]interface s2/0/0
[R3-Serial2/0/0]ip address 10.0.23.3 24
[R3-Serial2/0/0]quit
[R3]interface loopback 0
[R3-LoopBack0]ip address 4.4.4.4 24
<Huawei>system-view
Enter system view, return user view with Ctrl+Z.
[Huawei]sysname S2
[S2]interface Vlanif 1
[S2-Vlanif1]ip address 10.0.2.2 24
Yapılandırmayı tamamladıktan sonra  doğrudan kontrol edelim.
  1. Single-area OSPF yapılandıralım.
10.0.12.0/24, 10.0.23.0/24, 10.0.1.0/24 ve  10.0.2.0/24 dahil olmak üzere networku yapılandıralım ve OSPF area  0 olarak ayarlayalım.
[S1]ospf 1 router-id 1.1.1.1
[S1-ospf-1]area 0
[S1-ospf-1-area-0.0.0.0]network 10.0.1.0 0.0.0.255
[R1]ospf 1 router-id 2.2.2.2
[R1-ospf-1]area 0
[R1-ospf-1-area-0.0.0.0]network 10.0.1.0 0.0.0.255
[R1-ospf-1-area-0.0.0.0]network 10.0.12.0 0.0.0.255
[R1-ospf-1-area-0.0.0.0]network 2.2.2.0 0.0.0.255
[R2]ospf 1 router-id 3.3.3.3
[R2-ospf-1]area 0
[R2-ospf-1-area-0.0.0.0]network 10.0.12.0 0.0.0.255
[R2-ospf-1-area-0.0.0.0]network 10.0.23.0 0.0.0.255
[R2-ospf-1-area-0.0.0.0]network 3.3.3.0 0.0.0.255
[R3]ospf 1 router-id 4.4.4.4
[R3-ospf-1]area 0
[R3-ospf-1-area-0.0.0.0]net
[R3-ospf-1-area-0.0.0.0]network 10.0.23.0 0.0.0.255
[R3-ospf-1-area-0.0.0.0]network 10.0.2.0 0.0.0.255
[R3-ospf-1-area-0.0.0.0]network 4.4.4.0 0.0.0.255
[S2]ospf 1 router-id 5.5.5.5
[S2-ospf-1]area 0
[S2-ospf-1-area-0.0.0.0]network 10.0.2.0 0.0.0.255
Yapılandırma bittikten sonra routing tablolarını ve network bağlantılarını kontrol edelim.
[R2]ping 10.0.1.2
PING 10.0.1.2:56  data bytes, press CTRL_C to break
Reply from 10.0.1.2:bytes=56 Sequence=1 ttl=253 time=36 ms
Reply from 10.0.1.2:bytes=56 Sequence=2 ttl=253 time=31 ms
Reply from 10.0.1.2:bytes=56 Sequence=3 ttl=253 time=31 ms
Reply from 10.0.1.2:bytes=56 Sequence=4 ttl=253 time=31 ms
Reply from 10.0.1.2:bytes=56 Sequence=5 ttl=253 time=31 ms
— 10.0.1.2 ping statistics —
5 packet(s) transmitted
5 packet(s) received
0.00% packet loss
round-trip min/avg/max = 31/32/36 ms
[R2]ping 10.0.2.2
PING 10.0.2.2:56  data bytes, press CTRL_C to break
Reply from 10.0.2.2:bytes=56 Sequence=1 ttl=253 time=38 ms
Reply from 10.0.2.2:bytes=56 Sequence=2 ttl=253 time=33 ms
Reply from 10.0.2.2:bytes=56 Sequence=3 ttl=253 time=33 ms
Reply from 10.0.2.2:bytes=56 Sequence=4 ttl=253 time=33 ms
Reply from 10.0.2.2:bytes=56 Sequence=5 ttl=253 time=33 ms
— 10.0.2.2 ping statistics —
5 packet(s) transmitted
5 packet(s) received
0.00% packet loss
round-trip min/avg/max = 33/34/38 ms
 OSPF in routing tablosuna bakmak için  display ip routing-table komutunu çalıştıralım.
[R2]display ip routing-table
Route Flags:R – relay, D – download to fib
—————————————————————————-
Routing Tables:Public
Destinations :14       Routes : 14
Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface
10.0.1.0/24   OSPF    10   1563        D   10.0.12.1       Serial1/0/0
10.0.2.0/24   OSPF    10   1563        D   10.0.23.3       Serial2/0/0
10.0.12.0/24   Direct  0    0           D   10.0.12.2       Serial1/0/0
10.0.12.1/32   Direct  0    0           D   10.0.12.1       Serial1/0/0
10.0.12.2/32   Direct  0    0           D   127.0.0.1       InLoopBack0
10.0.12.255/32   Direct  0    0           D   127.0.0.1       InLoopBack0
10.0.23.0/24   Direct  0    0           D   10.0.23.2       Serial2/0/0
10.0.23.2/32   Direct  0    0           D   127.0.0.1       InLoopBack0
10.0.23.3/32   Direct  0    0           D   10.0.23.3       Serial2/0/0
10.0.23.255/32   Direct  0   0           D   127.0.0.1       InLoopBack0
127.0.0.0/8    Direct  0    0           D   127.0.0.1       InLoopBack0
127.0.0.1/32   Direct  0    0           D   127.0.0.1       InLoopBack0
127.255.255.255/32  Direct  0   0           D   127.0.0.1       InLoopBack0
255.255.255.255/32  Direct  0   0           D   127.0.0.1       InLoopBack0
  1. MPLS LDP konfigürasyonu.
MPLS ve LDP de global olarak LSR i ayarlayalım.
[R1]mpls lsr-id 2.2.2.2
[R1]mpls
Info:Mpls starting, please wait… OK!
[R1-mpls]mpls ldp
[R2]mpls lsr-id 3.3.3.3  c
[R2]mpls
Info:Mpls starting, please wait… OK!
[R2-mpls]mpls ldp
[R3]mpls lsr-id 4.4.4.4
[R3]mpls
Info:Mpls starting, please wait… OK!
[R3-mpls]mpls ldp
Cihazlarda MPLS ve LDP etkinleştirelim.
[R1]interface Serial 1/0/0
[R1-Serial1/0/0]mpls
[R1-Serial1/0/0]mpls ldp
[R2]interface Serial 1/0/0
[R2-Serial1/0/0]mpls
[R2-Serial1/0/0]mpls ldp
[R2-Serial1/0/0]interface Serial 2/0/0
[R2-Serial2/0/0]mpls
[R2-Serial2/0/0]mpls ldp
[R3]interface Serial 2/0/0
[R3-Serial2/0/0]mpls
[R3-Serial2/0/0]mpls ldp
Yapılandırmayı tamamladıktan sonra  cihazların MPLS  durumlarına display mpls ldp session komutu ile bakalım.
R1, R2 ve R3 arasında local  LDP oturumun durumu Operasyonel olduğuna bakalım.
[R1]display mpls ldp session
LDP Session(s) in Public Network
Codes:LAM(Label Advertisement Mode), SsnAge Unit(DDDD:HH:MM)
A ‘*’ before a session means the session is being deleted.
 —————————————————————————-
PeerID             Status      LAM  SsnRole  SsnAge      KASent/Rcv
 —————————————————————————-
3.3.3.3:0          Operational DU   Passive  0000:00:10  41/41
—————————————————————————- TOTAL:1 session(s) Found.
[R2]display mpls ldp session
LDP Session(s) in Public Network
Codes:LAM(Label Advertisement Mode), SsnAge Unit(DDDD:HH:MM)
A ‘*’ before a session means the session is being deleted.
 —————————————————————————-
PeerID             Status      LAM  SsnRole  SsnAge      KASent/Rcv
 —————————————————————————-
2.2.2.2:0          Operational DU   Active   0000:00:11  46/46
4.4.4.4:0          Operational DU   Passive  0000:00:10  43/43
 —————————————————————————-
TOTAL:2 session(s) Found.
[R3]display mpls ldp session
LDP Session(s) in Public Network
Codes:LAM(Label Advertisement Mode), SsnAge Unit(DDDD:HH:MM)
A ‘*’ before a session means the session is being deleted.
 —————————————————————————-
PeerID             Status      LAM  SsnRole  SsnAge      KASent/Rcv
 —————————————————————————-
3.3.3.3:0          Operational DU   Active   0000:00:11  46/46
 —————————————————————————-
TOTAL:1 session(s) Found.
  1. LSP’leri LDP kullanarak ayarlayalım.
Display mpls ldp lsp komutunu LSR  konfigürasyonunu görüntülemek için çalıştıralım.
[R1]display mpls ldp lsp
LDP LSP Information
 —————————————————————————-
DestAddress/Mask   In/OutLabel    UpstreamPeer    NextHop         OutInterface
 —————————————————————————-
2.2.2.2/32         3/NULL         3.3.3.3         127.0.0.1       InLoop0
*2.2.2.2/32         Liberal/1024                   DS/3.3.3.3
3.3.3.3/32         NULL/3         –               10.0.12.2       S1/0/0
3.3.3.3/32         1024/3         3.3.3.3         10.0.12.2       S1/0/0
4.4.4.4/32         NULL/1025      –               10.0.12.2       S1/0/0
4.4.4.4/32         1025/1025      3.3.3.3         10.0.12.2       S1/0/0
 —————————————————————————-
TOTAL:5 Normal LSP(s) Found.
TOTAL:1 Liberal LSP(s) Found.
TOTAL:0 Frr LSP(s) Found.
A ‘*’ before an LSP means the LSP is not established
A ‘*’ before a Label means the USCB or DSCB is stale
A ‘*’ before a UpstreamPeer means the session is in GR state
A ‘*’ before a DS means the session is in GR state
A ‘*’ before a NextHop means the LSP is FRR LSP
[R2]display mpls ldp lsp
LDP LSP Information
 —————————————————————————-
DestAddress/Mask   In/OutLabel    UpstreamPeer    NextHop         OutInterface
 —————————————————————————-
2.2.2.2/32         NULL/3         –               10.0.12.1       S1/0/0
2.2.2.2/32         1024/3         2.2.2.2         10.0.12.1       S1/0/0
2.2.2.2/32         1024/3         4.4.4.4         10.0.12.1       S1/0/0
*2.2.2.2/32         Liberal/1024                   DS/4.4.4.4
3.3.3.3/32         3/NULL         2.2.2.2         127.0.0.1       InLoop0
3.3.3.3/32         3/NULL         4.4.4.4         127.0.0.1       InLoop0
*3.3.3.3/32         Liberal/1024                   DS/2.2.2.2
*3.3.3.3/32         Liberal/1025                   DS/4.4.4.4
4.4.4.4/32         NULL/3         –               10.0.23.3       S2/0/0
4.4.4.4/32         1025/3         2.2.2.2         10.0.23.3       S2/0/0
4.4.4.4/32         1025/3         4.4.4.4         10.0.23.3       S2/0/0
*4.4.4.4/32         Liberal/1025                   DS/2.2.2.2
 —————————————————————————-
TOTAL:8 Normal LSP(s) Found.
TOTAL:4 Liberal LSP(s) Found.
TOTAL:0 Frr LSP(s) Found.
A ‘*’ before an LSP means the LSP is not established
A ‘*’ before a Label means the USCB or DSCB is stale
A ‘*’ before a UpstreamPeer means the session is in GR state
A ‘*’ before a DS means the session is in GR state
A ‘*’ before a NextHop means the LSP is FRR LSP
[R3]display mpls ldp lsp
LDP LSP Information
 —————————————————————————-
DestAddress/Mask   In/OutLabel    UpstreamPeer    NextHop         OutInterface
 —————————————————————————-
2.2.2.2/32         NULL/1024      –               10.0.23.2       S2/0/0
2.2.2.2/32         1024/1024      3.3.3.3         10.0.23.2       S2/0/0
3.3.3.3/32         NULL/3         –               10.0.23.2       S2/0/0
3.3.3.3/32         1025/3         3.3.3.3         10.0.23.2       S2/0/0
4.4.4.4/32         3/NULL         3.3.3.3         127.0.0.1       InLoop0
*4.4.4.4/32         Liberal/1025                   DS/3.3.3.3
 —————————————————————————-
TOTAL:5 Normal LSP(s) Found.
TOTAL:1 Liberal LSP(s) Found.
TOTAL:0 Frr LSP(s) Found.
A ‘*’ before an LSP means the LSP is not established
A ‘*’ before a Label means the USCB or DSCB is stale
A ‘*’ before a UpstreamPeer means the session is in GR state
A ‘*’ before a DS means the session is in GR state
A ‘*’ before a NextHop means the LSP is FRR LSP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;,
[R1]mpls
[R1-mpls]lsp-trigger all
[R2]mpls
[R2-mpls]lsp-trigger all
[R3]mpls
[R3-mpls]lsp-trigger all
Kurulan LDP LSP konfigürasyonunu görüntülemek için display mpls ldp lsp komutunu kullanalım.
[R1]display mpls ldp lsp
LDP LSP Information
 —————————————————————————-
DestAddress/Mask   In/OutLabel    UpstreamPeer    NextHop         OutInterface
 —————————————————————————-
2.2.2.0/24         3/NULL         3.3.3.3         2.2.2.2         Loop0
2.2.2.2/32         3/NULL         3.3.3.3         127.0.0.1       InLoop0
*2.2.2.2/32         Liberal/1024                   DS/3.3.3.3
*3.3.3.0/24         Liberal/3                      DS/3.3.3.3
3.3.3.3/32         NULL/3         –               10.0.12.2       S1/0/0
3.3.3.3/32         1024/3         3.3.3.3         10.0.12.2       S1/0/0
4.4.4.4/32         NULL/1025      –               10.0.12.2       S1/0/0
4.4.4.4/32         1025/1025      3.3.3.3         10.0.12.2       S1/0/0
10.0.1.0/24        3/NULL         3.3.3.3         10.0.1.1        GE0/0/1
*10.0.1.0/24        Liberal/1026                   DS/3.3.3.3
10.0.2.0/24        NULL/1027      –               10.0.12.2       S1/0/0
10.0.2.0/24        1027/1027      3.3.3.3         10.0.12.2       S1/0/0
10.0.12.0/24       3/NULL         3.3.3.3         10.0.12.1       S1/0/0
*10.0.12.0/24       Liberal/3                      DS/3.3.3.3
10.0.23.0/24       NULL/3         –               10.0.12.2       S1/0/0
10.0.23.0/24       1026/3         3.3.3.3         10.0.12.2       S1/0/0
 —————————————————————————-
TOTAL:12 Normal LSP(s) Found.
TOTAL:4 Liberal LSP(s) Found.
TOTAL:0 Frr LSP(s) Found.
A ‘*’ before an LSP means the LSP is not established
A ‘*’ before a Label means the USCB or DSCB is stale
A ‘*’ before a UpstreamPeer means the session is in GR state
A ‘*’ before a DS means the session is in GR state
A ‘*’ before a NextHop means the LSP is FRR LSP
[R2]display mpls ldp lsp
LDP LSP Information
 —————————————————————————-
DestAddress/Mask   In/OutLabel    UpstreamPeer    NextHop         OutInterface
 —————————————————————————-
*2.2.2.0/24         Liberal/3                      DS/2.2.2.2
2.2.2.2/32         NULL/3         –               10.0.12.1       S1/0/0
2.2.2.2/32         1024/3         2.2.2.2         10.0.12.1       S1/0/0
2.2.2.2/32         1024/3         4.4.4.4         10.0.12.1       S1/0/0
*2.2.2.2/32         Liberal/1024                   DS/4.4.4.4
3.3.3.0/24         3/NULL         2.2.2.2         3.3.3.3         Loop0
3.3.3.0/24         3/NULL         4.4.4.4         3.3.3.3         Loop0
3.3.3.3/32         3/NULL         2.2.2.2         127.0.0.1       InLoop0
3.3.3.3/32         3/NULL         4.4.4.4         127.0.0.1       InLoop0
*3.3.3.3/32         Liberal/1024                   DS/2.2.2.2
*3.3.3.3/32         Liberal/1025                   DS/4.4.4.4
*4.4.4.0/24         Liberal/3                      DS/4.4.4.4
4.4.4.4/32         NULL/3         –               10.0.23.3       S2/0/0
4.4.4.4/32         1025/3         2.2.2.2         10.0.23.3       S2/0/0
4.4.4.4/32         1025/3         4.4.4.4         10.0.23.3       S2/0/0
*4.4.4.4/32         Liberal/1025                   DS/2.2.2.2
10.0.1.0/24        NULL/3         –               10.0.12.1       S1/0/0
10.0.1.0/24        1026/3         2.2.2.2         10.0.12.1       S1/0/0
10.0.1.0/24        1026/3         4.4.4.4         10.0.12.1       S1/0/0
*10.0.1.0/24        Liberal/1026                   DS/4.4.4.4
10.0.2.0/24        NULL/3         –               10.0.23.3       S2/0/0
10.0.2.0/24        1027/3         2.2.2.2         10.0.23.3       S2/0/0
10.0.2.0/24        1027/3         4.4.4.4         10.0.23.3       S2/0/0
*10.0.2.0/24        Liberal/1027                   DS/2.2.2.2
10.0.12.0/24       3/NULL         2.2.2.2         10.0.12.2       S1/0/0
10.0.12.0/24       3/NULL         4.4.4.4         10.0.12.2       S1/0/0
*10.0.12.0/24       Liberal/3                      DS/2.2.2.2
*10.0.12.0/24       Liberal/1027                   DS/4.4.4.4
10.0.23.0/24       3/NULL         2.2.2.2         10.0.23.2       S2/0/0
10.0.23.0/24       3/NULL         4.4.4.4         10.0.23.2       S2/0/0
*10.0.23.0/24       Liberal/1026                   DS/2.2.2.2
*10.0.23.0/24       Liberal/3                      DS/4.4.4.4
 —————————————————————————-
TOTAL:20 Normal LSP(s) Found.
TOTAL:12 Liberal LSP(s) Found.
TOTAL:0 Frr LSP(s) Found.
A ‘*’ before an LSP means the LSP is not established
A ‘*’ before a Label means the USCB or DSCB is stale
A ‘*’ before a UpstreamPeer means the session is in GR state
A ‘*’ before a DS means the session is in GR state
A ‘*’ before a NextHop means the LSP is FRR LSP
[R3]display mpls ldp lsp
LDP LSP Information
 —————————————————————————-
DestAddress/Mask   In/OutLabel    UpstreamPeer    NextHop         OutInterface
 —————————————————————————-
2.2.2.2/32         NULL/1024      –               10.0.23.2       S2/0/0
2.2.2.2/32         1024/1024      3.3.3.3         10.0.23.2       S2/0/0
*3.3.3.0/24         Liberal/3                      DS/3.3.3.3
3.3.3.3/32         NULL/3         –               10.0.23.2       S2/0/0
3.3.3.3/32         1025/3         3.3.3.3         10.0.23.2       S2/0/0
4.4.4.0/24         3/NULL         3.3.3.3         4.4.4.4         Loop0
4.4.4.4/32         3/NULL         3.3.3.3         127.0.0.1       InLoop0
*4.4.4.4/32         Liberal/1025                   DS/3.3.3.3
10.0.1.0/24        NULL/1026      –               10.0.23.2       S2/0/0
10.0.1.0/24        1026/1026      3.3.3.3         10.0.23.2       S2/0/0
10.0.2.0/24        3/NULL         3.3.3.3         10.0.2.1        GE0/0/2
*10.0.2.0/24        Liberal/1027                   DS/3.3.3.3
10.0.12.0/24       NULL/3         –               10.0.23.2       S2/0/0
10.0.12.0/24       1027/3         3.3.3.3         10.0.23.2       S2/0/0
10.0.23.0/24       3/NULL         3.3.3.3         10.0.23.3       S2/0/0
*10.0.23.0/24       Liberal/3                      DS/3.3.3.3
 —————————————————————————-
TOTAL:12 Normal LSP(s) Found.
TOTAL:4 Liberal LSP(s) Found.
TOTAL:0 Frr LSP(s) Found.
A ‘*’ before an LSP means the LSP is not established
A ‘*’ before a Label means the USCB or DSCB is stale
A ‘*’ before a UpstreamPeer means the session is in GR state
A ‘*’ before a DS means the session is in GR state
A ‘*’ before a NextHop means the LSP is FRR LSP
  1. LDP policy oluşturalım.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;,
[R1]display mpls lsp
—————————————————————————-
LSP Information:LDP LSP
—————————————————————————-
FEC                In/Out Label  In/Out IF                      Vrf Name
3.3.3.3/32         NULL/3        -/S1/0/0
3.3.3.3/32         1024/3        -/S1/0/0
2.2.2.2/32         3/NULL        -/-
4.4.4.4/32         NULL/1025     -/S1/0/0
4.4.4.4/32         1025/1025     -/S1/0/0
10.0.12.0/24       3/NULL        -/-
10.0.1.0/24        3/NULL        -/-
2.2.2.0/24         3/NULL        -/-
10.0.23.0/24       NULL/3        -/S1/0/0
10.0.23.0/24       1026/3        -/S1/0/0
10.0.2.0/24        NULL/1027     -/S1/0/0
10.0.2.0/24        1027/1027     -/S1/0/0
LSPs on R1 to R2 and R3 are displayed. If the inbound policy is configured on R1, only routes to R2 are allowed.
[R1]ip ip-prefix prefix1 permit 10.0.12.0 24
[R1]mpls ldp
[R1-mpls-ldp]inbound peer 3.3.3.3 fec ip-prefix prefix1
[R1-mpls-ldp]quit
[R1]display mpls lsp
—————————————————————————-
LSP Information:LDP LSP
—————————————————————————-
FEC                In/Out Label  In/Out IF                      Vrf Name
2.2.2.2/32         3/NULL        -/-
10.0.12.0/24       3/NULL        -/-
10.0.1.0/24        3/NULL        -/-
2.2.2.0/24         3/NULL        -/-
Final Configurations
<R1>display current-configuration
[V200R001C00SPC200]
#
sysname R1
#
mpls lsr-id 2.2.2.2
mpls
lsp-trigger all
#
mpls ldp
inbound peer 3.3.3.3 fec ip-prefix prefix1
#
interface Serial1/0/0
link-protocol ppp
ip address 10.0.12.1 255.255.255.0
mpls
mpls ldp
#
interface GigabitEthernet0/0/1
ip address 10.0.1.1 255.255.255.0
#
interface LoopBack0
ip address 2.2.2.2 255.255.255.0
#
ospf 1 router-id 2.2.2.2
area 0.0.0.0
network 10.0.1.0 0.0.0.255
network 10.0.12.0 0.0.0.255
network 2.2.2.0 0.0.0.255
#
ip ip-prefix prefix1 index 10 permit 10.0.12.0 24
#
return
[R2]display current-configuration
[V200R001C00SPC200]
#
sysname R2
#
mpls lsr-id 3.3.3.3
mpls
lsp-trigger all
#
mpls ldp
#
interface Serial1/0/0
link-protocol ppp
ip address 10.0.12.2 255.255.255.0
mpls
mpls ldp
#
interface Serial2/0/0
link-protocol ppp
ip address 10.0.23.2 255.255.255.0
mpls
mpls ldp
#
interface LoopBack0
ip address 3.3.3.3 255.255.255.0
#
ospf 1 router-id 3.3.3.3
area 0.0.0.0
network 10.0.12.0 0.0.0.255
network 10.0.23.0 0.0.0.255
network 3.3.3.0 0.0.0.255
#
return
[R3]display current-configuration
[V200R001C00SPC200]
#
sysname R3
#
mpls lsr-id 4.4.4.4
mpls
lsp-trigger all
#
mpls ldp
#
interface Serial2/0/0
link-protocol ppp
ip address 10.0.23.3 255.255.255.0
mpls
mpls ldp
#
interface GigabitEthernet0/0/2
ip address 10.0.2.1 255.255.255.0
#
interface LoopBack0
ip address 4.4.4.4 255.255.255.0
#
ospf 1 router-id 4.4.4.4
area 0.0.0.0
network 10.0.2.0 0.0.0.255
network 10.0.23.0 0.0.0.255
network 4.4.4.0 0.0.0.255
#
Return