User Manual

Enterasys X-Pedition User Reference Manual 219
BGP Configuration Examples
In Figure 16, router X-Pedition11 has the following configuration:
In Figure 16, router X-Pedition13 has the following configuration:
3. In an Export Statement: The optional-attributes-list option of the ip-router policy create
bgp-export-destination command may be used to send the BGP community attribute. Any
#
# Create an optional attribute list with identifier color1 for a community
# attribute (community-id 160 AS 64901)
#
ip-router policy create optional-attributes-list color1 community-id 160 autonomous-system 64901
#
# Create an optional attribute list with identifier color2 for a community
# attribute (community-id 155 AS 64901)
#
ip-router policy create optional-attributes-list color2 community-id 155 autonomous-system 64901
#
# Create a BGP import source for importing routes from AS 64900 containing the
# community attribute (community-id 160 AS 64901). This import source is given an
# identifier 901color1 and sequence-number 1.
#
ip-router policy create bgp-import-source 901color1 optional-attributes-list color1 autonomous-system 64900 sequence-
number 1
ip-router policy create bgp-import-source 901color2 optional-attributes-list color2 autonomous-system 64900 sequence-
number 2
ip-router policy create bgp-import-source 901color3 optional-attributes-list color1 autonomous-system 64902 sequence-
number 3
ip-router policy create bgp-import-source 901color4 optional-attributes-list color2 autonomous-system 64902 sequence-
number 4
#
# Import all routes matching BGP import source 901color1 (from AS 64900 having
# community attribute with ID 160 AS 64901) with a preference of 160
#
ip-router policy import source 901color1 network all preference 160
ip-router policy import source 901color2 network all preference 155
ip-router policy import source 901color3 network all preference 160
ip-router policy import source 901color4 network all preference 155
ip-router policy create optional-attributes-list color1 community-id 160 autonomous-system 64902
ip-router policy create optional-attributes-list color2 community-id 155 autonomous-system 64902
ip-router policy create bgp-import-source 902color1 optional-attributes-list color1 autonomous-system 64899 sequence-
number 1
ip-router policy create bgp-import-source 902color2 optional-attributes-list color2 autonomous-system 64899 sequence-
number 2
ip-router policy create bgp-import-source 902color3 optional-attributes-list color1 autonomous-system 64901 sequence-
number 3
ip-router policy create bgp-import-source 902color4 optional-attributes-list color2 autonomous-system 64901 sequence-
number 4
ip-router policy import source 902color1 network all preference 160
ip-router policy import source 902color2 network all preference 155
ip-router policy import source 902color3 network all preference 160
ip-router policy import source 902color4 network all preference 155