Brocade Multi-Service IronWare Multiprotocol Label Switch (MPLS) Configuration Guide (Supporting R05.6.00) - Manual (Page 617)

Brocade(config)# show mpls ldp database
Session 10.3.3.3:0 - 10.5.5.2:0
Downstream label database:
Label Prefix State
Upstream label database:
Label Prefix
3 10.2.2.2/32
3 10.5.5.2/32
Multi-Service IronWare Multiprotocol Label Switch (MPLS) Configuration Guide 593
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Using traffic-engineered LSPs within an AS
5
Displaying routes through LSP tunnels
Once a network has been enabled to allow routes through LSP tunnels, the routes appear in the IP
routing table. In the following example, the show ip route command displays a table that contains
routes through LSP tunnels. In this example, routes 7 - 8 and 10 - 14 are LDP tunnels.
Brocade# show ip route
Total number of IP routes: 1027
Type Codes - B:BGP D:Connected S:Static R:RIP O:OSPF; Cost -
Dist/Metric
Destination Gateway Port Cost Type
1 10.1.1.1/32 DIRECT loopback 1 0/0 D
2 10.1.2.1/32 DIRECT loopback 2 0/0 D
3 10.1.3.1/32 DIRECT loopback 3 0/0 D
4 10.2.2.2/32 10.0.0.2 eth 1/1 110/10 O
5 10.3.3.3/32 10.0.0.2 eth 1/1 110/12 O
10.3.3.3/32 10.8.0.2 eth 1/4 110/12 O
6 10.4.4.4/32 10.8.0.2 eth 1/4 110/10 O
7 10.5.1.5/32 10.5.5.5 lsp(LDP) 200/0 B
8 10.5.3.5/32 10.5.5.5 lsp(LDP) 200/0 B
9 10.5.5.5/32 10.0.0.2 eth 1/1 110/13 O
10.5.5.5/32 10.8.0.2 eth 1/4 110/13 O
10 10.6.1.6/32 10.6.6.6 lsp(LDP) 200/0 B
11 10.6.2.6/32 10.6.6.6 lsp(LDP) 200/0 B
12 10.6.3.6/32 10.6.6.6 lsp(LDP) 200/0 B
13 10.6.4.6/32 10.6.6.6 lsp(LDP) 200/0 B
14 10.6.5.6/32 10.6.6.6 lsp(LDP) 200/0 B
15 10.6.6.6/32 10.0.0.2 eth 1/1 110/14 O
10.6.6.6/32 10.8.0.2 eth 1/4 110/14 O
Using traffic-engineered LSPs within an AS
In addition to traffic destined to travel outside an AS, Brocade devices can forward internal AS
traffic into LSP tunnels. This feature allows the user to configure a signaled LSP to serve as a
shortcut between nodes in an AS. In a shortcut LSP, OSPF includes the LSP in the SPF calculation.
When OSPF determines that the LSP shortcut is the best path to a destination, it installs a route
into the IP routing table, specifying the LSP tunnel interface as the outbound interface, as well as
the cost of the LSP. Only LSPs configured to router IDs can be considered as shortcuts. When the
LSP goes down or is administratively disabled, the LSP tunnel route is removed from the main
routing table.