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Advertising a default route to an IPv4 MBGP peer or peer
group
Follow these steps to advertise a default route to an MBGP peer or peer group:
To do… Use the command… Remarks
Enter system view system-view —
Enter BGP view bgp as-number —
Enter IPv4 MBGP address family
view
ipv4-family multicast —
Advertise a default route to an
MBGP peer or peer group
peer { group-name | ip-address }
default-route-advertise [ route-
policy route-policy-name ]
Required
Not advertised by default
NOTE:
ith the peer default-route-advertise command executed, the router sends a default route with the
next hop as itself to the specified MBGP peer or peer group, regardless of whether the default route is
available in the routing table.
Configuring outbound MBGP route filtering
If several filtering policies are configured, they are applied in the following sequence:
• filter-policy export
• peer filter-policy export
• peer as-path-acl export
• peer ip-prefix export
• peer route-policy export
Only the routes that have passed all the configured policies can be advertised.
Follow these steps to configure BGP route distribution filtering policies:
To do… Use the command… Remarks
Enter system view system-view —
Enter BGP view bgp as-number —
Enter IPv4 MBGP address family
view
ipv4-family multicast —
Configure the filtering of
redistributed routes
filter-policy { acl-number | ip-
prefix ip-prefix-name } export [
direct | isis process-id | ospf
process-id | rip process-id | static
]
At least one of these approaches
is required. No outbound route
filtering is configured by default.
Apply a routing policy to
advertisements to an IPv4 MBGP
peer/peer group
peer { group-name | peer-address
} route-policy route-policy-name
export
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