15In Release 24xx, the mode is set by using the switch-mode command. In Release 25xxand Release 26xx, the mode is set by using the hardware-resource switch-modecommand.{ Maximum number of ECMP routes.The number is set by using the max-ecmp-num command.{ Enhanced ECMP mode.The mode is set by using the ecmp mode enhanced command.{ Support for IPv6 routes with prefixes longer than 64 bits.In Release 24xx, the feature is enabled by using the switch-routing-mode command. InRelease 25xx and Release 26xx, the feature is enabled by using the hardware-resourcerouting-mode ipv6-128 command.{ The enabling status of the packet loss prevention feature for OpenFlow forwarding.This feature is enabled by using the openflow lossless enable command.{ VXLAN hardware resource mode.The mode is set by using the hardware-resource vxlan command. This command isavailable in Release 25xx and Release 26xx.9. If the problem persists, contact H3C Support.Related commandsThis section lists the commands that you might use for troubleshooting IRF.Command Descriptiondisplay ecmp mode Displays IPv4 ECMP mode.display hardware-resourcerouting-modeDisplays support for IPv6 routes with prefixes longer than 64 bits.This command is available in Release 25xx and Release 26xx.display hardware-resourceswitch-modeDisplays table capacity mode information.This command is available in Release 25xx and Release 26xx.display hardware-resourcevxlanDisplays VXLAN hardware resource allocation mode information.This command is available in Release 25xx and Release 26xx.display irf Displays IRF fabric information, including the member ID, role, priority,bridge MAC address, and description of each IRF member.display irf configurationDisplays basic IRF settings, including the current member ID, newmember ID, and physical interfaces bound to the IRF ports on each IRFmember device. The new member IDs take effect at reboot.display irf linkDisplays IRF link information.Use this command to verify that each IRF port has a minimum of onephysical interface in up state.display irf topology Displays the IRF fabric topology, including the member IDs, IRF portstate, and adjacencies of IRF ports.display max-ecmp-num Displays the maximum number of ECMP routes.display switch-mode status Displays table capacity mode information.This command is available in Release 24xx.display switch-routing-modestatusDisplays support for IPv6 routes with prefixes longer than 64 bits.This command is available in Release 24xx.