232
Step Command Remarks
2. Enter BGP view or BGP-VPN
instance view.
• Enter BGP view:
bgp as-number
• Enter BGP-VPN instance
view:
a. bgp as-number
b. ip vpn-instance
vpn-instance-name
N/A
3. Enable 4-byte AS number
suppression.
peer
{ group-name | ip-address
[ mask-length ] }
capability-advertise
suppress-4-byte-as
By default, 4-byte AS number
suppression is not enabled.
To enable 4-byte AS number suppression (IPv6):
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enter BGP view or BGP-VPN
instance view.
• Enter BGP view:
bgp as-number
• Enter BGP-VPN instance
view:
a. bgp as-number
b. ip vpn-instance
vpn-instance-name
N/A
3. Enable 4-byte AS number
suppression.
peer
{ group-name | ipv6-address
[ prefix-length ] }
capability-advertise
suppress-4-byte-as
By default, 4-byte AS number
suppression is not enabled.
Enabling MD5 authentication for BGP peers
MD5 authentication provides the following benefits:
• Peer authentication makes sure that only BGP peers that have the same password can
establish TCP connections.
• Integrity check makes sure that BGP packets exchanged between peers are intact.
To enable MD5 authentication for BGP peers (IPv4):
Step Command Remarks
1. Enter system view.
system-view
N/A
2. Enter BGP view or BGP-VPN
instance view.
• Enter BGP view:
bgp as-number
• Enter BGP-VPN instance
view:
a. bgp as-number
b. ip vpn-instance
vpn-instance-name
N/A
3. Enable MD5 authentication
for a BGP peer group or
peer.
peer
{ group-name | ip-address
[ mask-length ] }
password
{
cipher
|
simple
} password
By default, MD5 authentication is
disabled.
To enable MD5 authentication for BGP peers (IPv6):