Motorola BSR 2000, Руководство по настройке и управлению

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Release 1.0 Configuring BGP
526360-001-00 Rev. B MGBI 12-55
Figure 12-18 details creating a route map based on the network in which Router
Boston sets the value of the local preference attribute based on the value of the
community attribute. Any route that has a community attribute of 100 matches
community list 1 and has its local preference set to 50. Any route that has a
community attribute of 200 matches community list 2 and has its local preference set
to 25. All other routes do not have their local preference attributes changed, because
all routes are members of the internet community.
1. To create a community list that globally accepts or rejects all advertisements, use
the
ip community-list command in Global Configuration mode:
MOT(config)#
ip community-list <
community-list-number
> { permit | deny }
<
community-numbers
>
where:
community-list-number
is a number that identifies a community list.
permit indicates accept the advertisements.
deny indicates reject the advertisements.
community-numbers
are one or more community numbers.
2. To create a community list that accepts or rejects advertisements with a
local AS
community, use the ip community-list local-as command in Global
Configuration mode as shown below:
MOT(config)#
ip community-list <
community-list-number
> { permit | deny }
local-as
where:
community-list-number
identifies the community list.
permit indicates accept the advertisements.
deny indicates reject the advertisements.
local-as indicates the well-known community Local-AS.
3. To create a community list that accepts or rejects advertisements with a
well-known community on the Internet, use the
ip community-list internet
command in Global Configuration mode as shown below:
MOT(config)#
ip community-list internet <
community-list-number
>
{ permit | deny } internet
where: