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Configuring area authentication, Configuring bgp route filtering policies – H3C Technologies H3C S12500-X Series Switches User Manual

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203

Step Command

Remarks

2.

Enter BGP view or BGP-VPN

instance view.

Enter BGP view:
bgp as-number

Enter BGP-VPN instance view:

a.

bgp as-number

b.

ip vpn-instance
vpn-instance-name

N/A

3.

Enter BGP IPv4 unicast

address family view or
BGP-VPN IPv4 unicast

address family view.

address-family ipv4 [ unicast ]

N/A

4.

Specify the maximum number
of routes that a router can

receive from a peer or peer
group.

peer { group-name | ip-address }
route-limit prefix-number

[ { alert-only | reconnect
reconnect-time } |

percentage-value ] *

By default, the number of routes
that a router can receive from a
peer or peer group is not limited.

To limit routes that a router can receive from a peer or peer group (IPv6):

Step Command

Remarks

1.

Enter system view.

system-view

N/A

2.

Enter BGP view.

bgp as-number

N/A

3.

Enter BGP IPv6 unicast
address family view.

address-family ipv6 [ unicast ]

N/A

4.

Specify the maximum number
of routes that a router can

receive from a peer or peer

group.

peer { group-name |
ipv6-address } route-limit

prefix-number [ { alert-only |

reconnect reconnect-time } |
percentage-value
] *

By default, the number of routes
that a router can receive from a

peer or peer group is not limited.

318B

Configuring BGP route filtering policies

583B

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 "

1148H

Configuring routing policies

")

Routing policy (see "

1149H

Configuring routing policies

")

AS path list (see "

1150H

Configuring routing policies

")

584B

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.

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