Securing control messages

Configure Message Digest (MD) 5 authentication to secure control messages on the TCP connection between MSDP peers.

Procedure

Enter either Global Configuration mode or VRF Router Configuration mode for a specific VRF context:

enable

configure terminal

Optional: router vrf WORD<1-16>
Enable MD5 authentication:

ip msdp md5-authentication {A.B.C.D} [enable]
Specify the case sensitive password for MD5 authentication:

ip msdp password peer {A.B.C.D} WORD<1-80>

Switch:1>enable

Switch:1#configure terminal

Switch:1(config)#ip msdp md5–authentication 21.0.0.2 enable

Switch:1(config)#ip msdp password peer 21.0.0.2 helloworld

The following table defines parameters for the ip msdp command.


Variable	Value
`{A.B.C.D}`	Specifies the MSDP peer IP address.
`WORD<1-80>`	Specifies the MD5 authentication password.