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BGP CONFIGURATION COMMANDS

n

For routing policy configuration commands, refer to “Routing Policy Common

Configuration Commands” on page 1187.

aggregate

Syntax aggregate ip-address { mask mask-length } [ as-setattribute-policyroute-policy-name detail-suppressedorigin-policyroute-policy-name suppress-policyroute-policy-name ] *

undo aggregate ip-address { mask mask-length }

View BGP view/BGP-VPN instance view

Parameters ip-address: Destination IP address of summary route.

mask: Summary route mask, in dotted decimal notation.

mask-length: Length of summary route mask, in the range 0 to 32.

as-set: Creates a summary with AS set.

attribute-policyroute-policy-name:Sets the attributes of the summary route according to the routing policy, the name of which is a string of 1 to 19 characters.

detail-suppressed: Only advertises the summary route.

suppress-policyroute-policy-name: Suppresses specific routes defined in the routing policy, the name of which is a string of 1 to 19 characters.

origin-policyroute-policy-name: References the routing policy to specify routes for summarization. The policy name is a string of 1 to 19 characters.

The keywords of the command are described as follows:

Table 214 Functions of the keywords

Keywords

Function

 

 

as-set

Used to create a summary route, whose AS path contains the AS

 

path information of summarized routes. Use this keyword

 

carefully when many AS paths need to be summarized, because

 

the frequent changes of routes may lead to route oscillation.

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3Com MSR 50, MSR 30 manual BGP Configuration Commands, Aggregate, Configuration Commands on, Functions of the keywords