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You can use the
preference
command to modify the preferences for external and local BGP routes.
Examples
# In BGP IPv4 unicast instance view, increase the preference of EBGP route 10.0.0.0/16.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] ipv4-family unicast
[Sysname-bgp-ipv4] network 10.0.0.0 255.255.0.0 short-cut
# In BGP-VPN IPv6 unicast instance view, increase the preference of EBGP route 10::/16.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] ip vpn-instance vpn1
[Sysname-bgp-vpn1] ipv6-family unicast
[Sysname-bgp-ipv6-vpn1] network 10:: 16 short-cut
Related commands
preference
peer advertise-community
Use
peer advertise-community
to advertise the COMMUNITY attribute to a peer or peer group.
Use
undo peer advertise-community
to disable the COMMUNITY attribute advertisement to a peer or
peer group.
Syntax
In BGP IPv4 unicast instance view/BGP-VPN IPv4 unicast instance view:
peer
{
group-name
|
ip-address
}
advertise-community
undo peer
{
group-name
}
advertise-community
In BGP IPv6 unicast instance view:
peer
{
group-name
|
ipv6-address
}
advertise-community
undo peer
{
group-name
|
ipv6-address
}
advertise-community
Default
No COMMUNITY attribute is advertised to any peer or peer group.
Views
BGP IPv4 unicast instance view, BGP-VPN IPv4 unicast instance view, BGP IPv6 unicast instance view
Predefined user roles
network-admin
Parameters
group-name
: Specifies a peer group by its name, a case-sensitive string of 1 to 47 characters. The peer
group must have been created.
ip-address
: Specifies a peer by its IP address. The peer must have been created.
ipv6-address
: Specifies a peer by its IPv6 address. The peer must have been created.