MPLS Traffic Engineering Fast Reroute |
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Dynamips/Dynagenを使用して、MPLS-TE Fast Rerouteを設定します。
R8#traceroute 1.1.1.1 so lo0 numeric Type escape sequence to abort. Tracing the route to 1.1.1.1 VRF info: (vrf in name/id, vrf out name/id) 1 200.7.8.7 24 msec 20 msec 16 msec 2 10.6.7.6 [MPLS: Labels 6002/1000 Exp 0] 116 msec 108 msec 108 msec 3 10.5.6.5 [MPLS: Labels 5000/1000 Exp 0] 108 msec 108 msec 112 msec 4 10.3.5.3 [MPLS: Labels 3000/1000 Exp 0] 116 msec 116 msec 108 msec 5 100.1.2.2 [MPLS: Label 1000 Exp 0] 80 msec 84 msec 84 msec 6 100.1.2.1 124 msec * 124 msec
R5#sh mpls traffic-eng tunnels Name: R5_t1 (Tunnel1) Destination: 3.3.3.3 Status: Admin: up Oper: up Path: valid Signalling: connected path option 1, type explicit AVOID_R5_R3_ROUTE (Basis for Setup, path weight 3) Config Parameters: Bandwidth: 0 kbps (Global) Priority: 7 7 Affinity: 0x0/0xFFFF Metric Type: TE (default) AutoRoute: disabled LockDown: disabled Loadshare: 0 bw-based auto-bw: disabled Active Path Option Parameters: State: explicit path option 1 is active BandwidthOverride: disabled LockDown: disabled Verbatim: disabled InLabel : - OutLabel : Ethernet1/2, 6001 RSVP Signalling Info: Src 5.5.5.5, Dst 3.3.3.3, Tun_Id 1, Tun_Instance 21 RSVP Path Info: My Address: 10.5.6.5 Explicit Route: 10.5.6.6 10.4.6.6 10.4.6.4 10.3.4.4 10.3.4.3 3.3.3.3 Record Route: NONE Tspec: ave rate=0 kbits, burst=1000 bytes, peak rate=0 kbits RSVP Resv Info: Record Route: NONE Fspec: ave rate=0 kbits, burst=1000 bytes, peak rate=0 kbits History: Tunnel: Time since created: 4 minutes, 50 seconds Time since path change: 3 minutes, 57 seconds Number of LSP IDs (Tun_Instances) used: 21 Current LSP: Uptime: 3 minutes, 57 seconds LSP Tunnel R7_t0 is signalled, connection is up InLabel : Ethernet1/2, 5000 OutLabel : Ethernet1/1, 3000 FRR OutLabel : Tunnel1, 3000 RSVP Signalling Info: Src 7.7.7.7, Dst 2.2.2.2, Tun_Id 0, Tun_Instance 17 RSVP Path Info: My Address: 10.3.5.5 Explicit Route: 10.3.5.3 10.2.3.3 10.2.3.2 2.2.2.2 Record Route: NONE Tspec: ave rate=0 kbits, burst=1000 bytes, peak rate=0 kbits RSVP Resv Info: Record Route: 3.3.3.3(3000) 2.2.2.2(0) Fspec: ave rate=0 kbits, burst=1000 bytes, peak rate=0 kbits
R5#sh mpls traffic-eng fast-reroute database Headend frr information: Protected tunnel In-label Out intf/label FRR intf/label Status LSP midpoint frr information: LSP identifier In-label Out intf/label FRR intf/label Status 7.7.7.7 0 [17] 5000 Et1/1:3000 Tu1:3000 ready
R5(config)#int e1/1 R5(config-if)#shut
R8#traceroute 1.1.1.1 so lo0 numeric Type escape sequence to abort. Tracing the route to 1.1.1.1 VRF info: (vrf in name/id, vrf out name/id) 1 200.7.8.7 8 msec 16 msec 16 msec 2 10.6.7.6 [MPLS: Labels 6002/1000 Exp 0] 112 msec 124 msec 128 msec 3 10.5.6.5 [MPLS: Labels 5000/1000 Exp 0] 128 msec 124 msec 124 msec 4 10.5.6.6 [MPLS: Labels 6001/3000/1000 Exp 0] 128 msec 124 msec 128 msec 5 10.4.6.4 [MPLS: Labels 4000/3000/1000 Exp 0] 120 msec 128 msec 124 msec 6 10.3.4.3 [MPLS: Labels 3000/1000 Exp 0] 128 msec 128 msec 124 msec 7 100.1.2.2 [MPLS: Label 1000 Exp 0] 128 msec 120 msec 108 msec 8 100.1.2.1 108 msec * 120 msec
R5#sh mpls traffic-eng fast-reroute database Headend frr information: Protected tunnel In-label Out intf/label FRR intf/label Status LSP midpoint frr information: LSP identifier In-label Out intf/label FRR intf/label Status 7.7.7.7 0 [17] 5000 Et1/1:3000 Tu1:3000 active
(0) Dynagen .net file (1) R1 (2) R2 (3) R3 (4) R4 (5) R5 (6) R6 (7) R7 (8) R8
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