999Use the undo peer password command to disable the function.By default, no MD5 authentication is performed for TCP connectionestablishment.Once MD5 authentication is enabled, both parties must be configured with thesame authentication mode and password. Otherwise, the TCP connection will notbe set up.Examples # In BGP view, perform MD5 authentication on the TCP connection set upbetween the local router 10.1.100.1 and the peer router 10.1.100.2. system-view[Sysname] bgp 100[Sysname-bgp] peer 10.1.100.2 password simple aabbcc# Perform the similar configuration on the peer. system-view[Sysname] bgp 100[Sysname-bgp] peer 10.1.100.1 password simple aabbcc# In BGP-VPN instance view, perform MD5 authentication on the TCP connectionset up between the local router 10.1.100.1 and the peer router 10.1.100.2(theVPN has been created). system-view[Sysname] bgp 100[Sysname-bgp] ipv4-family vpn-instance vpn1[Sysname-bgp-vpn1] peer 10.1.100.2 password simple aabbcc# Perform the similar configuration on the peer. system-view[Sysname] bgp 100[Sysname-bgp] ipv4-family vpn-instance vpn1[Sysname-bgp-vpn1] peer 10.1.100.1 password simple aabbccpeer preferred-value (BGP/BGP-VPN instance view)Syntax peer { group-name | ip-address } preferred-value valueundo peer { group-name | ip-address } preferred-valueView BGP view/BGP-VPN instance viewParameters group-name: Name of a peer group, a string of 1 to 47 characters.ip-address: IP address of a peer.value: Preferred value, in the range 0 to 65535.
