show ip route summary

To display the current state of the routing table, use the show ip route summary EXEC command.

show ip route summary
Syntax Description

This command has no arguments or keywords.

Command Mode

EXEC

Usage Guidelines

This command first appeared in Cisco IOS Release 10.0.

Sample Display

The following is sample output from the show ip route summary command:

Router# show ip route summary
	 
	Route Source    Networks    Subnets     Overhead    Memory (bytes)
	connected       0           3           126         360
	static          1           2           126         360
	igrp 109        747         12          31878       91080
	internal        3                                   360
	Total           751         17          32130       92160
	Router#
	 
   

The following table describes the fields shown in the display:


Show IP Route Summary Field Descriptions
Field Description

Route Source

Routing protocol name, or the keyword connected, static or internal. Internal indicates those routes that are in the routing table that are not owned by any routing protocol.

Networks

Number of prefixes that are present in the routing table for each route source.

Subnets

Number of subnets that are present in the routing table for each route source, including host routes.

Overhead

Any additional memory involved in allocating the routes for the particular route source other than the memory specified in the Memory field.

Memory

Number of bytes allocated to maintain all the routes for the particular route source.

 

Related Commands

show ip route