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Extended BGP Community<br />
Display Format<br />
Two display formats are supported<br />
• ::<br />
Uses registered AS number<br />
• ::<br />
Uses registered IP address<br />
© 2002, Cisco Systems, Inc. www.cisco.com <strong>MPLS</strong> v2.1-87<br />
The low-order 48 bits of the extended BGP community can be displayed in two<br />
different formats:<br />
■ Higher-order 16 bits are the public AS number of the Service Provider<br />
defining the community, lower-order 32 bits are defined by the network<br />
administrator. This is the recommended format<br />
■ Higher-order 32 bits are a public IP address belonging to the Service Provider<br />
defining the community; the network administrator defines lower-order 16<br />
bits<br />
The display format is encoded in one of the high-order 16 bits of the extended<br />
community to ensure consistent formatting across all routers participating in an<br />
<strong>MPLS</strong> <strong>VPN</strong> network.<br />
98 Implementing Cisco <strong>MPLS</strong> (<strong>MPLS</strong>) v2.1 Copyright © 2002, Cisco Systems, Inc.
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