Command:

auto-summary


Mode:

Router(config-router)#

Syntax:

auto-summary

Syntax Description:

This command has no arguments or keywords.

Command Description:

This command applies to a RIP routing process. To restore the default behavior of automatic summarization of subnet routes into network-level routes, use the auto summary router configuration command. To disable this function and transmit subprefix routing information across classful network boundaries, use the no form of this command. RIP Version 1 always uses automatic summarization. If you are using RIP Version 2, you can turn off automatic summarization by specifying no auto-summary. Disable automatic summarization if you must perform routing between disconnected subnets. When automatic summarization is off, subnets are advertised.

Example:

Router(config-router)#no auto-summary

Misconceptions:
None

Related Commands:
ip summary-address eigrp
summary-address

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