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Advertising a default route to a peer or peer group
Perform this task to advertise a default BGP route with the next hop being the advertising router to a peer
or peer group.
To advertise a default route to a peer or peer group (IPv4 unicast/multicast address family):
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter BGP IPv4 unicast
address family view,
BGP-VPN IPv4 unicast
address family view, or
BGP IPv4 multicast address
family view.
•
Enter BGP IPv4 unicast address
family view:
a.
bgp
as-number
b.
address-family ipv4
[
unicast
]
•
Enter BGP-VPN IPv4 unicast
address family view:
a.
bgp
as-number
b.
ip vpn-instance
vpn-instance-name
c.
address-family ipv4
[
unicast
]
•
Enter BGP IPv4 multicast address
family view:
a.
bgp
as-number
b.
address-family ipv4 multicast
N/A
3.
Advertise a default route to
a peer or peer group.
peer
{
group-name
|
ip-address
}
default-route-advertise
[
route-policy
route-policy-name
]
By default, no default route is
advertised.
To advertise a default route to a peer or peer group (IPv6 unicast/multicast address family):
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter BGP IPv6 unicast
address family view or BGP
IPv6 multicast address
family view.
•
Enter BGP IPv6 unicast address
family view:
a.
bgp
as-number
b.
address-family ipv6
[
unicast
]
•
Enter BGP IPv6 multicast address
family view:
a.
bgp
as-number
b.
address-family ipv6 multicast
N/A
3.
Advertise a default route to
a peer or peer group.
peer
{
group-name
|
ipv6-address
}
default-route-advertise
[
route-policy
route-policy-name
]
By default, no default route is
advertised.
Limiting routes received from a peer or peer group
This feature can prevent attacks that send a large number of BGP routes to the router.
