Dell Force10 S4820T FTOS Command Reference Guide - Page 320
bgp four-octet-as-support, bgp graceful-restart
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www.dell.com | support.dell.com bgp four-octet-as-support c e s Enable 4-byte support for the BGP process. Syntax Defaults Command Modes Usage Information Command History bgp four-octet-as-support To disable fast external fallover, enter no bgp four-octet-as-support. Disabled (supports 2-Byte format) ROUTER BGP Routers supporting 4-Byte ASNs advertise that function in the OPEN message. The behavior of a 4-Byte router will be slightly different depending on whether it is speaking to a 2-Byte router or a 4-Byte router. When creating Confederations, all the routers in the Confederation must be 4 or 2 byte identified routers. You cannot mix them. Where the 2-Byte format is 1-65535, the 4-Byte format is 1-4294967295. Both formats are accepted, and the advertisements will reflect the entered format. For more information about using the 2 or 4-Byte format, refer to the FTOS Configuration Guide. Version 8.3.19.0 Version 8.3.7.0 Version 7.8.1.0 Version 7.7.1.0 Introduced on the S4820T. Introduced on the S4810. Introduced support on S-Series Introduced command Introduced support on C-Series bgp graceful-restart c e s Enable graceful restart on a BGP neighbor, a BGP node, or designate a local router to support graceful restart as a receiver only. Syntax bgp graceful-restart [restart-time seconds] [stale-path-time seconds] [role receiver-only] To return to the default, enter the no bgp graceful-restart command. 320 | Border Gateway Protocol IPv4 (BGPv4)