265
1. Enter system view.
system-view
N/A
2. Enter BGP instance view or
BGP-VPN instance view.
• Enter BGP instance view:
bgp as-number [ instance
instance-name ]
• Enter BGP-VPN instance
view:
a. bgp as-number
[ instance
instance-name ]
b. ip vpn-instance
N/A
3. Enable 4-byte AS number
suppression.
peer
{ group-name | ipv6-address
[ prefix-length ] }
capability-advertise
By default, 4-byte AS number
suppression is disabled.
Enabling MD5 authentication for BGP peers
MD5 authentication provides the following benefits:
• Peer authentication ensures that only BGP peers that have the same password can establish
TCP connections.
• Integrity check ensures that BGP packets exchanged between peers are intact.
To enable MD5 authentication for BGP peers (IPv4 unicast/multicast address family):
1. Enter system view.
system-view
N/A
2. Enter BGP instance view or
BGP-VPN instance view.
• Enter BGP instance view:
bgp as-number [ instance
instance-name ]
• Enter BGP-VPN instance
view:
a. bgp as-number
[ instance
instance-name ]
b. ip vpn-instance
N/A
3. Enable MD5 authentication
for a BGP peer group or
peer.
peer
{ group-name | ipv4-address
[ mask-length ] }
password
{
|
} password
By default, MD5 authentication is
disabled.
To enable MD5 authentication for BGP peers (IPv6 unicast/multicast address family):
1. Enter system view.
system-view
N/A
2. Enter BGP instance view or
BGP-VPN instance view.
• Enter BGP instance view:
bgp as-number [ instance
instance-name ]
• Enter BGP-VPN instance
N/A