ip authentication key-chain eigrp
To enable authentication of Enhanced Interior Gateway Routing Protocol (EIGRP) packets, use the ip authentication key-chain eigrp command in interface configuration mode. To disable such authentication, use the no form of this command.
ip authentication key-chain eigrp as-number key-chain
no ip authentication key-chain eigrp as-number key-chain
Syntax Description
as-number |
Autonomous system number to which the authentication applies. |
key-chain |
Name of the authentication key chain. |
Command Default
No authentication is provided for EIGRP packets.
Command Modes
Interface configuration (config-if) Virtual network interface (config-if-vnet)
Command History
Release |
Modification |
---|---|
11.2F |
This command was introduced. |
12.2(33)SRA |
This command was integrated into Cisco IOS Release 12.2(33)SRA. |
12.2SX |
This command is supported in the Cisco IOS Release 12.2SX train. Support in a specific 12.2SX release of this train depends on your feature set, platform, and platform hardware. |
Cisco IOS XE Release 2.1 |
This command was integrated into Cisco IOS XE Release 2.1. |
12.2(33)XNE |
This command was integrated into Cisco IOS Release 12.2(33)XNE. |
Cisco IOS XE Release 3.2S |
This command was modified. Support was added for this command in virtual network interface configuration mode. |
Examples
The following example applies authentication to autonomous system 2 and identifies a key chain named SPORTS:
ip authentication key-chain eigrp 2 SPORTS