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7.8.1.0 - Force10 Networks

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Chapter 6 Border Gateway Protocol<br />

Border Gateway Protocol version 4 (BGPv4) is supported on platforms: c e s<br />

BGPv4 is supported on the S-Series platform with FTOS version 7.8.10 and later. In FTOS version 7.7.1,<br />

Border Gateway Protocol is supported on the C-Series and E-Series platforms. Prior to 7.7.1, BGP was<br />

supported on the E-Series only.<br />

This chapter is intended to provide a general description of Border Gateway Protocol version 4 (BGPv4) as<br />

it is supported in the Force 10 Operating System (FTOS). It is not intended to provide a complete<br />

understanding of BGP; refer to the RFC 4271, BGP Version 4 for a complete discussion of this protocol.<br />

This chapter includes the following topics:<br />

• Protocol Overview<br />

• Autonomous Systems (AS)<br />

• Sessions and Peers<br />

• Route Reflectors, Route Reflectors, Confederations<br />

• BGP Attributes<br />

• Best Path Selection Criteria<br />

• Weight<br />

• Local Preference<br />

• Multi-Exit Discriminators (MEDs)<br />

• AS Path<br />

• Next Hop<br />

• Multiprotocol BGP<br />

• Implementing BGP with FTOS<br />

• 4-Byte AS Numbers<br />

• AS Number Migration<br />

• BGP4 Management Information Base (MIB)<br />

• Important Points to Remember<br />

• Configuration Information<br />

• Configuration Task List for BGP<br />

• MBGP Configuration<br />

• Storing Last and Bad PDUs, Capturing PDUs, PDU Counters<br />

• Sample Configurations<br />

FTOS Configuration Guide, version <strong>7.8.1.0</strong> 125

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