Cisco Cisco IOS Software Release 12.2(27)SBC
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BGP Support for TCP Path MTU Discovery per
Session
Session
Border Gateway Protocol (BGP) support for TCP path maximum transmission unit (MTU) discovery
introduces the ability for BGP to automatically discover the best TCP path MTU for each BGP session.
TCP path MTU discovery is enabled by default for all BGP neighbor sessions, but you can disable, and
subsequently enable, the TCP path MTU discovery globally for all BGP sessions or for an individual
BGP neighbor session.
introduces the ability for BGP to automatically discover the best TCP path MTU for each BGP session.
TCP path MTU discovery is enabled by default for all BGP neighbor sessions, but you can disable, and
subsequently enable, the TCP path MTU discovery globally for all BGP sessions or for an individual
BGP neighbor session.
Configuration Information
Configuration information is included in the “Configuring BGP Neighbor Session Options” module of
the Cisco IOS BGP Configuration Guide, Release 12.4T,
the Cisco IOS BGP Configuration Guide, Release 12.4T,
at the following URL:
The following sections provide information about this feature:
•
BGP Support for TCP Path MTU Discovery per Session
•
Configuring BGP Support for TCP Path MTU Discovery per Session
•
Configuring BGP Support for TCP Path MTU Discovery per Session: Examples
For a complete list of features included in the “Configuring BGP Neighbor Session Options” module,
see the Feature Information table located toward the end of the module.
see the Feature Information table located toward the end of the module.
Command Reference Information
Release 12.2SB
The following commands are new or modified for this feature:
•
bgp transport
•
neighbor transport
•
show ip bgp neighbors