Version Description8.2.1.0 Introduced on the E-Series ExaScale.7.7.1.0 IntroducedUsage Information Routers supporting 4-Byte ASNs advertise that function in the OPEN message. Thebehavior of a 4-Byte router is slightly different depending on whether it is speaking to a2-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 formatsare accepted, and the advertisements will reflect the entered format.For more information about using the 2– or 4-Byte format, refer to the DellNetworking OS Configuration Guide.bgp graceful-restartEnable graceful restart on a BGP neighbor, a BGP node, or designate a local router to support graceful restartas a receiver only.C9000 SeriesSyntax bgp graceful-restart [restart-time seconds] [stale-path-timeseconds] [role receiver-only]To return to the default, use the no bgp graceful-restart command.Parameters neighbor ip-address | peer-group-nameEnter the keyword neighbor followed by one of the optionslisted below:• ip-address of the neighbor in IP address format of theneighbor.• peer-group-name of the neighbor peer group.restart-timesecondsEnter the keywords restart-time followed by the maximumnumber of seconds needed to restart and bring up all peers. Therange is 1 to 3600 seconds. The default is 120 seconds.stale-path-timesecondsEnter the keywords stale-path-time followed by themaximum number of seconds to wait before restarting a peer’sstale paths. The default is 360 seconds.role receiver-only Enter the keywords role receiver-only to designate thelocal router to support graceful restart as a receiver only.Border Gateway Protocol 573