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 DescriptionsField 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.
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