Cisco Cisco IOS Software Release 12.2(25)S

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BGP Cost Community
The BGP Cost Community feature introduces the cost extended community attribute. The cost 
community is a non-transitive extended community attribute that is passed to internal BGP (iBGP) and 
confederation peers but not to external BGP (eBGP) peers. The cost community feature allows you to 
customize the local route preference and influence the best path selection process by assigning cost 
values to specific routes. 
History for the BGP Cost Community Feature
Finding Support Information for Platforms and Cisco IOS Software Images
Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image 
support. Access Cisco Feature Navigator at 
. You must have an account on 
Cisco.com. If you do not have an account or have forgotten your username or password, click Cancel at 
the login dialog box and follow the instructions that appear. 
Release
Modification
12.0(24)S
This feature was introduced.
12.3(2)T
This feature was integrated into Cisco IOS Release 12.3(2)T. 
12.2(18)S
This feature was integrated Cisco IOS Release 12.2(18)S. 
12.0(27)S 
The BGP Cost Community Support for EIGRP MPLS VPN PE-CE with 
Backdoor Links
 feature was introduced. It provides support for mixed 
EIGRP MPLS VPN network topologies that contain back door routes. 
12.3(8)T 
The BGP Cost Community Support for EIGRP MPLS VPN PE-CE with 
Backdoor Links
 feature was integrated into Cisco IOS Release 
12.3(8)T. It provides support for mixed EIGRP MPLS VPN network 
topologies that contain back door routes. 
12.2(25)S
The BGP Cost Community Support for EIGRP MPLS VPN PE-CE with 
Backdoor Links
 feature was integrated into Cisco IOS Release 
12.2(25)S. It provides support for mixed EIGRP MPLS VPN network 
topologies that contain back door routes.