![]() In Cisco IOS Release 12.4(24)T, Cisco IOS 12.2(33)SRA and earlier releases, the bfd all-interfaces command works in router configuration mode and address-family interface mode. To enable BFD for all interfaces, enter the bfd all-interfaces command in router configuration mode. There are two methods to configure routing protocols to use BFD for failure detection. Support for the Routing Information Protocol was added. The bfd all-interfaces command in named router configuration mode was replaced by the bfd command in address-family interface mode. ![]() This command was integrated into Cisco IOS Release 2.1 XE and implemented on the Cisco ASR 1000 Series Aggregation Services Routers. This command was integrated into Cisco IOS Release 12.2(33)SRA. This command was integrated into Cisco IOS Release 12.4(4)T. This command was integrated into Cisco IOS Release 12.0(31)S. ![]() Router configuration (config-router) and address-family interface configuration (config-router-af) Command History To disable BFD for all neighbors on a single interface, use the no form of this command.īFD is disabled on the interfaces participating in the routing process. To enable Bidirectional Forwarding Detection (BFD) for all interfaces participating in the routing process, use the bfd all-interfaces command in router configuration or address-family interface configuration mode. In the following example, network numbers are not summarized automatically: router rip When automatic summarization is off, subnets are advertised. Disable automatic summarization if you must perform routing between disconnected subnets. If you are using RIP Version 2, you can turn off automatic summarization by specifying the no auto-summar y command. RIP Version 1 always uses automatic summarization. Route summarization reduces the amount of routing information in the routing tables. Support in a specific 12.2SX release of this train depends on your feature set, platform, and platform hardware. This command is supported in the Cisco IOS Release 12.2SX train. ![]() This command was integrated into Cisco IOS Release 12.2(33)SRA. Command DefaultĮnabled (the software summarizes subprefixes to the classful network boundary when crossing classful network boundaries). This command has no arguments or keywords. To disable this function and send subprefix routing information across classful network boundaries, use the no form of this command. To restore the default behavior of automatic summarization of subnet routes into network-level routes, use the auto-summary command in router configuration mode. ![]()
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