Command Manual - Routing Protocol
Quidway S3500 Series Ethernet Switches
Chapter 4 BGP Configuration Commands
Huawei Technologies Proprietary
4-28
as-regular-expression
: AS regular expression.
Description
Using
ip as-path-acl
command, you can configure an AS path regular express. Using
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 commands, see
peer as-path-acl
,
display bgp routing-table
as-path-acl
.
Example
# Configure an AS path list.
[Quidway] ip as-path-acl 10 permit 200,300
4.1.30 ip community-list
Syntax
ip community-list basic-comm-list-number
{
permit
|
deny
} [
aa:nn
|
internet
|
no-export-subconfed
|
no-advertise
|
no-export
]
ip community-list adv-comm-list-number
{
permit
|
deny
}
as-regular-expression
undo ip community-list
{
basic-comm-list-number
|
adv-comm-list-number
}
View
System view
Parameter
basic-comm-list-number
: Number of the basic community list ranging from 1 to 99.
adv-comm-list-number
: Number of the advanced community list ranging from 100 to
199.
permit
: Permit those that match conditions to access.
deny
:
Deny those that match conditions to access.
aa:nn
: Community number.
internet
: Advertise 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
: Does not announce the route to the AS or the association outside, but can
advertise to other sub-ASs.
as-regular-expression
: Community attribute of the regular expression.
