Configuring Bgp Route Filtering Policies - HP HPE FlexNetwork 7500 series Configuration Manual

Step
2. Enter BGP IPv6 unicast
address family view,
BGP-VPN IPv6 unicast
address family view, or BGP
IPv6 multicast address family
view.
3. Specify the maximum
number of routes that a
router can receive from a
peer or peer group.

Configuring BGP route filtering policies

Configuration prerequisites
Before you configure BGP routing filtering policies, configure the following filters used for route
filtering as needed:
•
ACL (see ACL and QoS Configuration Guide).
•
Prefix list (see
•
Routing policy (see
•
AS path list (see
Configuring BGP route distribution filtering policies
To configure BGP route distribution filtering policies, use the following methods:
•
Use an ACL or prefix list to filter routing information advertised to all peers.
•
Use a routing policy, ACL, AS path list, or prefix list to filter routing information advertised to a
peer or peer group.
If you configure multiple filtering policies, apply them in the following sequence:
1. filter-policy export
2. peer filter-policy export
3. peer as-path-acl export
4. peer prefix-list export
Command
•
Enter BGP IPv6 unicast
address family view:
a. bgp as-number
b. address-family ipv6
•
Enter BGP-VPN IPv6 unicast
address family view:
c. bgp as-number
d. ip vpn-instance
e. address-family ipv6
•
Enter BGP IPv6 multicast
address family view:
f. bgp as-number
g. address-family ipv6
peer { group-name | ipv6-address
[ prefix-length ] } route-limit
prefix-number [ { alert-only |
discard | reconnect
reconnect-time } |
percentage-value ] *
"Configuring routing policies").
"Configuring routing
"Configuring routing
[ instance
instance-name ]
[ unicast ]
[ instance
instance-name ]
vpn-instance-name
[ unicast ]
[ instance
instance-name ]
multicast
policies").
policies").
241
Remarks
N/A
By default, the number of routes
that a router can receive from a
peer or peer group is not limited.