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Protocol-Independent Routing Monitoring and Troubleshooting

Table 30 summarizes the command-line interface (CLI) commands you can use to monitor and troubleshoot protocol-independent routing properties. In the table, the commands are grouped by functionality. In the remainder of this chapter, they are explained alphabetically.

 

In Table 30, the variants of the show route commands listed in the category "Routing Table Information" are all filters that select the specific information that is displayed from the routing tables. The other show route commands (specifically, show route forwarding-table and show route martians) are independent commands and cannot be used in conjunction with any of the filter options.

 

Table 30: Commands for Monitoring Protocol-Independent Routing Properties
Task Category
Task or Information to Monitor
Command
Routing Table Information
Information about the entries in the routing tables.
show route on page 350
Routes transmitted by a particular routing protocol.
show route advertising-protocol on page 357
Routes containing a specified AS path.
show route aspath-regex on page 358
Best route to the specified address or range of addresses.
show route best on page 360
Routes containing members of a specified BGP community.
show route community on page 361
Routes that have been damped.
show route damping on page 363
Routes that exactly match the specified address or range of addresses.
show route exact on page 366
Routes that are currently inactive.
show route inactive on page 372
Routes that form a label-switched path.
show route label-switched-path on page 373
Routes that contain the specified next hop.
show route next-hop on page 376
Routes exiting the router through the specified interface.
show route output on page 377
Routes learned by the specified protocol.
show route protocol on page 378
Routes in a range of destination prefixes.
show route range on page 380
Routes received by a particular routing protocol.
show route receive-protocol on page 383
Routes learned from the specified source.
show route source-gateway on page 385
Statistics about the routes in all routing tables.
show route summary on page 386
Routes in a particular routing table.
show route table on page 387
High-level summary of routing table information.
show route terse on page 389
Forwarding Table Information
Information about the entries in the kernel's forwarding table.
show route forwarding-table on page 367
Clear a router from the kernel's forwarding table.
clear route forwarding-table on page 347
Martian Information
Information about martian addresses.
show route martians on page 374
AS Paths
Known AS paths.
show as-path on page 348

 


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