Dell Force10 S50-01-GE-48T FTOS 8.4.2.6 Command Line Reference Guide for the E - Page 746
bgp graceful-restart
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www.dell.com | support.dell.com Usage Information 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. Command History Version 8.4.2.1 Version 8.2.1.0 Version 7.4.1.0 Introduced on C-Series and S4810. Introduced on E-Series ExaScale Introduced on E-Series TeraScale bgp graceful-restart c e 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. Parameters neighbor ip-address | peer-group-name restart-time seconds stale-path-time seconds role receiver-only Enter the keyword neighbor followed by one of the options listed below: • ip-address of the neighbor in IP address format of the neighbor • peer-group-name of the neighbor peer group. Enter the keyword restart-time followed by the maximum number of seconds needed to restart and bring up all peers. Range: 1 to 3600 seconds Default: 120 seconds Enter the keyword stale-path-time followed by the maximum number of seconds to wait before restarting a peer's stale paths. Default: 360 seconds. Enter the keyword role receiver-only to designate the local router to support graceful restart as a receiver only. Defaults As above Command Modes ROUTER BGP Command History Version 8.4.2.1 Version 8.2.1.0 Version 7.4.1.0 Introduced on C-Series and S4810. Introduced on E-Series ExaScale Introduced on E-Series TeraScale Usage This feature is advertised to BGP neighbors through a capability advertisement. In receiver only mode, Information BGP saves the advertised routes of peers that support this capability when they restart. 746 | IPv6 Border Gateway Protocol (IPv6 BGP)