Border Gateway Protocol (BGP)
Border Gateway Protocol (BGP) is an Internet Engineering Task Force (IETF) standard, and the most scalable of all routing protocols. BGP is the routing protocol of the global Internet, as well as for Service Provider private networks. BGP has expanded upon its original purpose of carrying Internet reachability information, and can now carry routes for Multicast, IPv6, VPNs, and a variety of other data.
Cisco supports all IETF BGP standards, as well as most or all Internet Drafts for BGP. In addition, Cisco is an active participant in the BGP working groups at the IETF and a frequent contributor of new BGP extensions.
Latest Cisco IOS Border Gateway Protocol Documentation
- Explaining 4-Byte Autonomous System (AS) ASPLAIN and ASDOT Notation for Cisco IOS
- Explaining 4-octet Autonomous System (AS) Numbers for Cisco IOS
- Network Considerations for a Network Which Does Not Support 4-octet AS
- Migration Guide for Explaining 4-Byte Autonomous System
- 4 Byte ASN with Cisco IOS Software
Technical Support and Documentation
Review additional information about Border Gateway Protocol (BGP) in the Technical Support site area.
Product Literature
Data Sheets and Literature
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