29.5.4 TCP MD5 Authorization Configuration

(1) List of configuration commands

The following tables list the commands used to configure TCP MD5 Authorization (BGP4+).

Table 29-12: List of configuration commands

Command name	Description
neighbor password	Specifies that TCP MD5 authentication is to be used for peer connection.

(2) Configuring TCP MD5 Authorization

Points to note

The example below shows how to set an authentication key for TCP MD5 authentication by using the neighbor password configuration command.

Command examples

1. (config)# router bgp 65531

   (config-router)# bgp router-id 192.168.1.100

   (config-router)# neighbor 3ffe:172:16:2::2 remote-as 65532

   (config-router)# neighbor 3ffe:192:168:2::2 remote-as 65531

   Configure the BGP4+ peers.

2. (config-router)# neighbor 3ffe:172:16:2::2 password "authmd5_65532"

   Sets up TCP MD5 authentication based on the authentication key authmd5_65532 for the peer whose remote peer address is 3ffe:172:16:2::2.

3. (config-router)# address-family ipv6

   Places the router in config-router-af (ipv6) mode.

4. (config-router-af)# neighbor 3ffe:172:16:2::2 activate

   (config-router-af)# neighbor 3ffe:192:168:2::2 activate

   Enables the IPv6 address family.