ISCW实验5：配置Frame Mode MPLS
实验过程：
第一步 R1、R2、R3、R4、R5的预配置
R1(config)# int lo0
R1(config-if)# ip add 1.1.1.1 255.255.255.0
R1(config-if)# int s2/1
R1(config-if)# ip add 12.0.0.1 255.255.255.0
R1(config-if)# no sh
R1(config-if)# exit
第一步 R1、R2、R3、R4、R5的预配置
R1(config)# int lo0
R1(config-if)# ip add 1.1.1.1 255.255.255.0
R1(config-if)# int s2/1
R1(config-if)# ip add 12.0.0.1 255.255.255.0
R1(config-if)# no sh
R1(config-if)# exit
R2(config)#
int lo0
R2(config-if)# ip add 2.2.2.2 255.255.255.0
R2(config-if)# int s2/1
R2(config-if)# ip add 12.0.0.2 255.255.255.0
R2(config-if)# no sh
R2(config-if)# int s2/2
R2(config-if)# ip add 23.0.0.2 255.255.255.0
R2(config-if)# no sh
R2(config-if)# exit
R2(config-if)# ip add 2.2.2.2 255.255.255.0
R2(config-if)# int s2/1
R2(config-if)# ip add 12.0.0.2 255.255.255.0
R2(config-if)# no sh
R2(config-if)# int s2/2
R2(config-if)# ip add 23.0.0.2 255.255.255.0
R2(config-if)# no sh
R2(config-if)# exit
R3(config)#
int lo0
R3(config-if)# ip add 3.3.3.3 255.255.255.0
R3(config-if)# int s2/1
R3(config-if)# ip add 23.0.0.3 255.255.255.0
R3(config-if)# no sh
R3(config-if)# int s2/2
R3(config-if)# ip add 34.0.0.3 255.255.255.0
R3(config-if)# no sh
R3(config-if)# exit
R3(config-if)# ip add 3.3.3.3 255.255.255.0
R3(config-if)# int s2/1
R3(config-if)# ip add 23.0.0.3 255.255.255.0
R3(config-if)# no sh
R3(config-if)# int s2/2
R3(config-if)# ip add 34.0.0.3 255.255.255.0
R3(config-if)# no sh
R3(config-if)# exit
R4(config)#
int lo0
R4(config-if)# ip add 4.4.4.4 255.255.255.0
R4(config-if)# int s2/1
R4(config-if)# ip add 34.0.0.4 255.255.255.0
R4(config-if)# no sh
R4(config-if)# int s2/2
R4(config-if)# ip add 45.0.0.4 255.255.255.0
R4(config-if)# no sh
R4(config-if)# exit
R4(config-if)# ip add 4.4.4.4 255.255.255.0
R4(config-if)# int s2/1
R4(config-if)# ip add 34.0.0.4 255.255.255.0
R4(config-if)# no sh
R4(config-if)# int s2/2
R4(config-if)# ip add 45.0.0.4 255.255.255.0
R4(config-if)# no sh
R4(config-if)# exit
R5(config)#
int lo0
R5(config-if)# ip add 5.5.5.5 255.255.255.0
R5(config-if)# int s2/2
R5(config-if)# ip add 45.0.0.5 255.255.255.0
R5(config-if)# no sh
R5(config-if)# exit
R5(config-if)# ip add 5.5.5.5 255.255.255.0
R5(config-if)# int s2/2
R5(config-if)# ip add 45.0.0.5 255.255.255.0
R5(config-if)# no sh
R5(config-if)# exit
第二步 在R1、R2、R3、R4、R5上配置OSPF
R1(config)# router ospf 64
R1(config-router)# net 0.0.0.0 0.0.0.0 a 0
R1(config-router)# end
R1(config)# router ospf 64
R1(config-router)# net 0.0.0.0 0.0.0.0 a 0
R1(config-router)# end
R2(config)#
router ospf 64
R2(config-router)# net 0.0.0.0 0.0.0.0 a 0
R2(config-router)# end
R2(config-router)# net 0.0.0.0 0.0.0.0 a 0
R2(config-router)# end
R3(config)#
router ospf 64
R3(config-router)# net 0.0.0.0 0.0.0.0 a 0
R3(config-router)# end
R3(config-router)# net 0.0.0.0 0.0.0.0 a 0
R3(config-router)# end
R4(config)#
router ospf 64
R4(config-router)# net 0.0.0.0 0.0.0.0 a 0
R4(config-router)# end
R4(config-router)# net 0.0.0.0 0.0.0.0 a 0
R4(config-router)# end
R5(config)#
router ospf 64
R5(config-router)# net 0.0.0.0 0.0.0.0 a 0
R5(config-router)# end
R5(config-router)# net 0.0.0.0 0.0.0.0 a 0
R5(config-router)# end
第三步 查看R1的路由表
R1# show ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
R1# show ip route
Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2
i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
34.0.0.0/24 is subnetted, 1 subnets
O 34.0.0.0 [110/192] via 12.0.0.2, 00:01:17, Serial2/1
1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Loopback0
2.0.0.0/32 is subnetted, 1 subnets
O 2.2.2.2 [110/65] via 12.0.0.2, 00:01:17, Serial2/1
3.0.0.0/32 is subnetted, 1 subnets
O 3.3.3.3 [110/129] via 12.0.0.2, 00:01:17, Serial2/1
4.0.0.0/32 is subnetted, 1 subnets
O 4.4.4.4 [110/193] via 12.0.0.2, 00:01:17, Serial2/1
5.0.0.0/32 is subnetted, 1 subnets
O 5.5.5.5 [110/257] via 12.0.0.2, 00:01:17, Serial2/1
23.0.0.0/24 is subnetted, 1 subnets
O 23.0.0.0 [110/128] via 12.0.0.2, 00:01:18, Serial2/1
12.0.0.0/24 is subnetted, 1 subnets
C 12.0.0.0 is directly connected, Serial2/1
45.0.0.0/24 is subnetted, 1 subnets
O 45.0.0.0 [110/256] via 12.0.0.2, 00:01:18, Serial2/1
R1#
O 34.0.0.0 [110/192] via 12.0.0.2, 00:01:17, Serial2/1
1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected, Loopback0
2.0.0.0/32 is subnetted, 1 subnets
O 2.2.2.2 [110/65] via 12.0.0.2, 00:01:17, Serial2/1
3.0.0.0/32 is subnetted, 1 subnets
O 3.3.3.3 [110/129] via 12.0.0.2, 00:01:17, Serial2/1
4.0.0.0/32 is subnetted, 1 subnets
O 4.4.4.4 [110/193] via 12.0.0.2, 00:01:17, Serial2/1
5.0.0.0/32 is subnetted, 1 subnets
O 5.5.5.5 [110/257] via 12.0.0.2, 00:01:17, Serial2/1
23.0.0.0/24 is subnetted, 1 subnets
O 23.0.0.0 [110/128] via 12.0.0.2, 00:01:18, Serial2/1
12.0.0.0/24 is subnetted, 1 subnets
C 12.0.0.0 is directly connected, Serial2/1
45.0.0.0/24 is subnetted, 1 subnets
O 45.0.0.0 [110/256] via 12.0.0.2, 00:01:18, Serial2/1
R1#
第四步 查看CEF
R1# show ip cef
Prefix Next Hop Interface
0.0.0.0/0 drop Null0 (default route handler entry)
0.0.0.0/32 receive
1.1.1.0/24 attached Loopback0
1.1.1.0/32 receive
1.1.1.1/32 receive
1.1.1.255/32 receive
2.2.2.2/32 12.0.0.2 Serial2/1
3.3.3.3/32 12.0.0.2 Serial2/1
4.4.4.4/32 12.0.0.2 Serial2/1
5.5.5.5/32 12.0.0.2 Serial2/1
12.0.0.0/24 attached Serial2/1
12.0.0.0/32 receive
12.0.0.1/32 receive
12.0.0.255/32 receive
23.0.0.0/24 12.0.0.2 Serial2/1
34.0.0.0/24 12.0.0.2 Serial2/1
45.0.0.0/24 12.0.0.2 Serial2/1
224.0.0.0/4 drop
224.0.0.0/24 receive
255.255.255.255/32 receive
R1# show ip cef
Prefix Next Hop Interface
0.0.0.0/0 drop Null0 (default route handler entry)
0.0.0.0/32 receive
1.1.1.0/24 attached Loopback0
1.1.1.0/32 receive
1.1.1.1/32 receive
1.1.1.255/32 receive
2.2.2.2/32 12.0.0.2 Serial2/1
3.3.3.3/32 12.0.0.2 Serial2/1
4.4.4.4/32 12.0.0.2 Serial2/1
5.5.5.5/32 12.0.0.2 Serial2/1
12.0.0.0/24 attached Serial2/1
12.0.0.0/32 receive
12.0.0.1/32 receive
12.0.0.255/32 receive
23.0.0.0/24 12.0.0.2 Serial2/1
34.0.0.0/24 12.0.0.2 Serial2/1
45.0.0.0/24 12.0.0.2 Serial2/1
224.0.0.0/4 drop
224.0.0.0/24 receive
255.255.255.255/32 receive
第五步 配置R1、R2、R3、R4、R5的MPLS
R1(config)# mpls label range 100 199
R1(config)# mpls label protocol ldp
R1(config)# int s2/1
R1(config-if)# mpls ip
R1(config-if)# end
R1(config)# mpls label range 100 199
R1(config)# mpls label protocol ldp
R1(config)# int s2/1
R1(config-if)# mpls ip
R1(config-if)# end
R2(config)#
mpls label range 200 299
R2(config)# mpls label protocol ldp
R2(config)# int s2/1
R2(config-if)# mpls ip
R2(config-if)# int s2/2
R2(config-if)# mpls ip
R2(config-if)# end
R2(config)# mpls label protocol ldp
R2(config)# int s2/1
R2(config-if)# mpls ip
R2(config-if)# int s2/2
R2(config-if)# mpls ip
R2(config-if)# end
R3(config)#
mpls label range 300 399
R3(config)# mpls label protocol ldp
R3(config)# int s2/1
R3(config-if)# mpls ip
R3(config-if)# int s2/2
R3(config-if)# mpls ip
R3(config-if)# end
R3(config)# mpls label protocol ldp
R3(config)# int s2/1
R3(config-if)# mpls ip
R3(config-if)# int s2/2
R3(config-if)# mpls ip
R3(config-if)# end
R4(config)#
mpls label range 400 499
R4(config)# mpls label protocol ldp
R4(config)# int s2/1
R4(config-if)# mpls ip
R4(config-if)# int s2/2
R4(config-if)# mpls ip
R4(config-if)# end
R4(config)# mpls label protocol ldp
R4(config)# int s2/1
R4(config-if)# mpls ip
R4(config-if)# int s2/2
R4(config-if)# mpls ip
R4(config-if)# end
R5(config)#
mpls label range 500 599
R5(config)# mpls label protocol ldp
R5(config)# int s2/2
R5(config-if)# mpls ip
R5(config-if)# end
R5(config)# mpls label protocol ldp
R5(config)# int s2/2
R5(config-if)# mpls ip
R5(config-if)# end
第六步 检查R1的MPLS配置效果
R1# show mpls interfaces
Interface IP Tunnel Operational
Serial2/1 Yes (ldp) No Yes
R1# show mpls interfaces
Interface IP Tunnel Operational
Serial2/1 Yes (ldp) No Yes
R1#
show mpls interfaces detail
Interface Serial2/1:
IP labeling enabled (ldp):
Interface config
LSP Tunnel labeling not enabled
BGP tagging not enabled
Tagging operational
Fast Switching Vectors:
IP to MPLS Fast Switching Vector
MPLS Turbo Vector
MTU = 1500
Interface Serial2/1:
IP labeling enabled (ldp):
Interface config
LSP Tunnel labeling not enabled
BGP tagging not enabled
Tagging operational
Fast Switching Vectors:
IP to MPLS Fast Switching Vector
MPLS Turbo Vector
MTU = 1500
R1#
show mpls forwarding-table
Local Outgoing Prefix Bytes tag Outgoing Next Hop
tag tag or VC or Tunnel Id switched interface
100 200 34.0.0.0/24 0 Se2/1 point2point
101 Untagged 2.2.2.2/32 0 Se2/1 point2point
102 202 3.3.3.3/32 0 Se2/1 point2point
103 203 4.4.4.4/32 0 Se2/1 point2point
104 204 5.5.5.5/32 0 Se2/1 point2point
105 Pop tag 23.0.0.0/24 0 Se2/1 point2point
106 205 45.0.0.0/24 0 Se2/1 point2point
Local Outgoing Prefix Bytes tag Outgoing Next Hop
tag tag or VC or Tunnel Id switched interface
100 200 34.0.0.0/24 0 Se2/1 point2point
101 Untagged 2.2.2.2/32 0 Se2/1 point2point
102 202 3.3.3.3/32 0 Se2/1 point2point
103 203 4.4.4.4/32 0 Se2/1 point2point
104 204 5.5.5.5/32 0 Se2/1 point2point
105 Pop tag 23.0.0.0/24 0 Se2/1 point2point
106 205 45.0.0.0/24 0 Se2/1 point2point
R1#
show mpls ldp binding
tib entry: 1.1.1.0/24, rev 4
local binding: tag: imp-null
tib entry: 1.1.1.1/32, rev 19
remote binding: tsr: 2.2.2.2:0, tag: 201
tib entry: 2.2.2.0/24, rev 20
remote binding: tsr: 2.2.2.2:0, tag: imp-null
tib entry: 2.2.2.2/32, rev 6
local binding: tag: 101
tib entry: 3.3.3.3/32, rev 8
local binding: tag: 102
remote binding: tsr: 2.2.2.2:0, tag: 202
tib entry: 4.4.4.4/32, rev 10
local binding: tag: 103
remote binding: tsr: 2.2.2.2:0, tag: 203
tib entry: 5.5.5.5/32, rev 12
local binding: tag: 104
remote binding: tsr: 2.2.2.2:0, tag: 204
tib entry: 12.0.0.0/24, rev 16
local binding: tag: imp-null
remote binding: tsr: 2.2.2.2:0, tag: imp-null
tib entry: 23.0.0.0/24, rev 14
local binding: tag: 105
remote binding: tsr: 2.2.2.2:0, tag: imp-null
tib entry: 34.0.0.0/24, rev 2
local binding: tag: 100
remote binding: tsr: 2.2.2.2:0, tag: 200
tib entry: 45.0.0.0/24, rev 18
local binding: tag: 106
remote binding: tsr: 2.2.2.2:0, tag: 205
tib entry: 1.1.1.0/24, rev 4
local binding: tag: imp-null
tib entry: 1.1.1.1/32, rev 19
remote binding: tsr: 2.2.2.2:0, tag: 201
tib entry: 2.2.2.0/24, rev 20
remote binding: tsr: 2.2.2.2:0, tag: imp-null
tib entry: 2.2.2.2/32, rev 6
local binding: tag: 101
tib entry: 3.3.3.3/32, rev 8
local binding: tag: 102
remote binding: tsr: 2.2.2.2:0, tag: 202
tib entry: 4.4.4.4/32, rev 10
local binding: tag: 103
remote binding: tsr: 2.2.2.2:0, tag: 203
tib entry: 5.5.5.5/32, rev 12
local binding: tag: 104
remote binding: tsr: 2.2.2.2:0, tag: 204
tib entry: 12.0.0.0/24, rev 16
local binding: tag: imp-null
remote binding: tsr: 2.2.2.2:0, tag: imp-null
tib entry: 23.0.0.0/24, rev 14
local binding: tag: 105
remote binding: tsr: 2.2.2.2:0, tag: imp-null
tib entry: 34.0.0.0/24, rev 2
local binding: tag: 100
remote binding: tsr: 2.2.2.2:0, tag: 200
tib entry: 45.0.0.0/24, rev 18
local binding: tag: 106
remote binding: tsr: 2.2.2.2:0, tag: 205
R1#
show mpls ldp nei
Peer LDP Ident: 2.2.2.2:0; Local LDP Ident 1.1.1.1:0
TCP connection: 2.2.2.2.36585 - 1.1.1.1.646
State: Oper; Msgs sent/rcvd: 20/20; Downstream
Up time: 00:06:57
LDP discovery sources:
Serial2/1, Src IP addr: 12.0.0.2
Addresses bound to peer LDP Ident:
12.0.0.2 23.0.0.2 2.2.2.2
Peer LDP Ident: 2.2.2.2:0; Local LDP Ident 1.1.1.1:0
TCP connection: 2.2.2.2.36585 - 1.1.1.1.646
State: Oper; Msgs sent/rcvd: 20/20; Downstream
Up time: 00:06:57
LDP discovery sources:
Serial2/1, Src IP addr: 12.0.0.2
Addresses bound to peer LDP Ident:
12.0.0.2 23.0.0.2 2.2.2.2
R1#
show tag-switching tdp nei
// 与show mpls ldp nei效果一样
Peer LDP Ident: 2.2.2.2:0; Local LDP Ident 1.1.1.1:0
TCP connection: 2.2.2.2.36585 - 1.1.1.1.646
State: Oper; Msgs sent/rcvd: 21/20; Downstream
Up time: 00:07:38
LDP discovery sources:
Serial2/1, Src IP addr: 12.0.0.2
Addresses bound to peer LDP Ident:
12.0.0.2 23.0.0.2 2.2.2.2
// 与show mpls ldp nei效果一样
Peer LDP Ident: 2.2.2.2:0; Local LDP Ident 1.1.1.1:0
TCP connection: 2.2.2.2.36585 - 1.1.1.1.646
State: Oper; Msgs sent/rcvd: 21/20; Downstream
Up time: 00:07:38
LDP discovery sources:
Serial2/1, Src IP addr: 12.0.0.2
Addresses bound to peer LDP Ident:
12.0.0.2 23.0.0.2 2.2.2.2
第七步 在R1上运行traceroute测试
R1# traceroute
Protocol [ip]:
Target IP address: 5.5.5.5
Source address: 1.1.1.1
Numeric display [n]:
Timeout in seconds [3]:
Probe count [3]:
Minimum Time to Live [1]:
Maximum Time to Live [30]:
Port Number [33434]:
Loose, Strict, Record, Timestamp, Verbose[none]:
Type escape sequence to abort.
Tracing the route to 5.5.5.5
1 12.0.0.2 [MPLS: Label 204 Exp 0] 300 msec 232 msec 112 msec
2 23.0.0.3 [MPLS: Label 303 Exp 0] 176 msec 132 msec 196 msec
3 34.0.0.4 [MPLS: Label 403 Exp 0] 184 msec 160 msec 156 msec
4 45.0.0.5 160 msec * 228 msec
2 23.0.0.3 [MPLS: Label 303 Exp 0] 176 msec 132 msec 196 msec
3 34.0.0.4 [MPLS: Label 403 Exp 0] 184 msec 160 msec 156 msec
4 45.0.0.5 160 msec * 228 msec
第八步 检查5.5.5.5的标签分配
R1# show mpls ldp binding 5.5.5.5 32
tib entry: 5.5.5.5/32, rev 12
local binding: tag: 104
remote binding: tsr: 2.2.2.2:0, tag: 204
R2#
show mpls ldp binding 5.5.5.5 32
tib entry: 5.5.5.5/32, rev 12
local binding: tag: 204
remote binding: tsr: 1.1.1.1:0, tag: 104
remote binding: tsr: 3.3.3.3:0, tag: 303
tib entry: 5.5.5.5/32, rev 12
local binding: tag: 204
remote binding: tsr: 1.1.1.1:0, tag: 104
remote binding: tsr: 3.3.3.3:0, tag: 303
R3#
show mpls ldp binding 5.5.5.5 32
tib entry: 5.5.5.5/32, rev 12
local binding: tag: 303
remote binding: tsr: 2.2.2.2:0, tag: 204
remote binding: tsr: 4.4.4.4:0, tag: 403
tib entry: 5.5.5.5/32, rev 12
local binding: tag: 303
remote binding: tsr: 2.2.2.2:0, tag: 204
remote binding: tsr: 4.4.4.4:0, tag: 403
R4#
show mpls ldp binding 5.5.5.5 32
tib entry: 5.5.5.5/32, rev 12
local binding: tag: 403
remote binding: tsr: 3.3.3.3:0, tag: 303
tib entry: 5.5.5.5/32, rev 12
local binding: tag: 403
remote binding: tsr: 3.3.3.3:0, tag: 303
R5#
show mpls ldp binding 5.5.5.5 32
tib entry: 5.5.5.5/32, rev 20
remote binding: tsr: 4.4.4.4:0, tag: 403
tib entry: 5.5.5.5/32, rev 20
remote binding: tsr: 4.4.4.4:0, tag: 403
第九步 检查5.5.5.5的MPLS转发表
R1# show mpls forwarding-table 5.5.5.5
Local Outgoing Prefix Bytes tag Outgoing Next Hop
tag tag or VC or Tunnel Id switched interface
104 204 5.5.5.5/32 0 Se2/1 point2point
R1# show mpls forwarding-table 5.5.5.5
Local Outgoing Prefix Bytes tag Outgoing Next Hop
tag tag or VC or Tunnel Id switched interface
104 204 5.5.5.5/32 0 Se2/1 point2point
R2#
show mpls forwarding-table 5.5.5.5
Local Outgoing Prefix Bytes tag Outgoing Next Hop
tag tag or VC or Tunnel Id switched interface
204 303 5.5.5.5/32 324 Se2/2 point2point
Local Outgoing Prefix Bytes tag Outgoing Next Hop
tag tag or VC or Tunnel Id switched interface
204 303 5.5.5.5/32 324 Se2/2 point2point
R3#
show mpls forwarding-table 5.5.5.5
Local Outgoing Prefix Bytes tag Outgoing Next Hop
tag tag or VC or Tunnel Id switched interface
303 403 5.5.5.5/32 744 Se2/2 point2point
Local Outgoing Prefix Bytes tag Outgoing Next Hop
tag tag or VC or Tunnel Id switched interface
303 403 5.5.5.5/32 744 Se2/2 point2point
R4#
show mpls forwarding-table 5.5.5.5
Local Outgoing Prefix Bytes tag Outgoing Next Hop
tag tag or VC or Tunnel Id switched interface
403 Untagged 5.5.5.5/32 1128 Se2/2 point2point
// 倒数第二跳弹出
Local Outgoing Prefix Bytes tag Outgoing Next Hop
tag tag or VC or Tunnel Id switched interface
403 Untagged 5.5.5.5/32 1128 Se2/2 point2point
// 倒数第二跳弹出
R5#
show mpls forwarding-table 5.5.5.5
Local Outgoing Prefix Bytes tag Outgoing Next Hop
tag tag or VC or Tunnel Id switched interface
Local Outgoing Prefix Bytes tag Outgoing Next Hop
tag tag or VC or Tunnel Id switched interface