HP 5920 Series Command Reference Manual page 366

In BGP VPNv4 address family view:
peer { group-name | ip-address } default-route-advertise vpn-instance vpn-instance-name
undo peer { group-name | ip-address } default-route-advertise vpn-instance vpn-instance-name
In BGP IPv6 unicast address family view:
peer { group-name | ip-address | ipv6-address } default-route-advertise [ route-policy
route-policy-name ]
undo peer { group-name | ip-address | ipv6-address } default-route-advertise
Default
No default route is advertised to a peer or peer group.
Views
BGP IPv4 unicast address family view, BGP-VPN IPv4 unicast address family view, BGP VPNv4 address
family view, BGP IPv6 unicast address family 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.
route-policy route-policy-name: Specifies a routing policy by its name, a case-sensitive string of 1 to 63
characters, to modify the route attribute.
vpn-instance vpn-instance-name: Specifies an MPLS L3VPN instance by its name, a case-sensitive string
of 1 to 31 characters.
Usage guidelines
The peer default-route-advertise command enables the router to send a default route with the next hop
being itself to the peer or peer group regardless of whether the default route exists in the routing table.
Examples
# In BGP IPv4 unicast address family view, advertise a default route to peer group test.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] address-family ipv4 unicast
[Sysname-bgp-ipv4] peer test default-route-advertise
# In BGP-VPN IPv4 unicast address family view, advertise a default route to peer group test.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] ip vpn-instance vpn1
[Sysname-bgp-vpn1] address-family ipv4 unicast
[Sysname-bgp-ipv4-vpn1] peer test default-route-advertise
# In BGP IPv6 unicast address family view, advertise a default route to peer group test.
<Sysname> system-view
[Sysname] bgp 100
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