3Com 3031 Command Reference Manual page 646

646 C 6: R P
HAPTER OUTING
ip community-list
ROTOCOL
View
System view
Parameter
acl-number: Number of AS path list ranging from 1 to 199.
as-regular-expression: AS path regular expression.
Description
Using the ip as-path acl command, you can configure an AS path regular
expression. Using the undo ip as-path acl command, you can disable the defined
regular expression.
The configured AS path list can be used in BGP policy.
For the related command, see peer as-path-acl, and display bgp routing-table
as-path-acl.
Example
Configure an AS path list.
[3Com] ip as-path acl 10 permit 200,300
Syntax
ip community-list stand-comm-list-number { permit | deny } { aa:nn | internet |
no-export-subconfed | no-advertise | no-export }
ip community-list ext-comm-list-number { permit | deny } as-regular-expression
undo ip community-list { stand-comm-list-number | ext-comm-list-number }
View
System view
Parameter
stand-comm-list-number: Number of the standard community list ranging from
1 to 99.
ext-comm-list-number: Number of the extended community list ranging from
100 to 199.
permit: Permits those that match conditions to access.
deny: Denies those that match conditions to access.
aa:nn: Community number.
internet: Advertises all routes.
no-export-subconfed: Used not to advertise the matched route beyond the
confederation.
no-advertise: Used not to send the matched route to any peer.
no-export: Used not to pass routes outside the AS but advertise to other sub
ASs.
as-regular-expression: Community attribute of the regular expression.