Version Description6.1.1.1 Introduced on the E-Series.graceful-restart modeEnable the graceful restart mode.C9000 SeriesSyntax graceful-restart mode [planned-only | unplanned-only]To disable graceful restart mode, use the no graceful-restart mode command.Parameters planned-only (OPTIONAL) Enter the keywords planned-only to indicategraceful restart is supported in a planned restart condition only.unplanned-only (OPTIONAL) Enter the keywords unplanned-only to indicategraceful restart is supported in an unplanned restart conditiononly.Defaults Support for both planned and unplanned failures.Command Modes ROUTER OSPFCommand History This guide is platform-specific. For command information about other platforms, referto the relevant Dell Networking OS Command Line Reference Guide.The following is a list of the Dell Networking OS version history for this command.Version Description9.9(0.0) Introduced on the C9010.9.2(1.0) Introduced on the Z9500.8.3.19.0 Introduced on the S4820T.8.3.11.1 Introduced on the Z9000.8.3.12.0 Introduced on the S4810.7.8.1.0 Introduced on the S-Series.7.5.1.0 Introduced on the C-Series.6.1.1.1 Introduced on the E-Series.Open Shortest Path First (OSPFv2 and OSPFv3) 1503