Enhancing is-is network security, Configuration prerequisites, Advertising optimal routes in the ip routing table – H3C Technologies H3C S12500-X Series Switches User Manual

Page 215

Advertising
background image

201

Step Command

Remarks

4.

Create a summary route in the
BGP routing table.

aggregate ip-address { mask |
mask-length
} [ as-set |
attribute-policy route-policy-name

| detail-suppressed | origin-policy

route-policy-name |
suppress-policy

route-policy-name ] *

By default, no summary route is
configured.

To configure BGP manual route summarization (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.

Create a summary route in the

IPv6 BGP routing table.

aggregate ipv6-address
prefix-length
[ as-set |

attribute-policy route-policy-name

| detail-suppressed | origin-policy
route-policy-name |

suppress-policy

route-policy-name ] *

By default, no summary route is
configured.

315B

Advertising optimal routes in the IP routing table

By default, BGP advertises optimal routes in the BGP routing table, which might not be optimal in the IP

routing table. This task allows you to advertise BGP routes that are optimal in the IP routing table to all

BGP peers.
To enable BGP to advertise optimal routes in the IP routing table:

Step Command

Remarks

1.

Enter system view.

system-view

N/A

2.

Enter BGP view.

bgp as-number

N/A

3.

Enable BGP to advertise

optimal routes in the IP routing
table.

advertise-rib-active

By default, BGP advertises optimal
routes in the BGP routing table.

316B

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):

Advertising
This manual is related to the following products: