H3C S5120-EI Series Configuration Manual

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H3C S5120-EI Series Configuration Manual Manual pdf 19 page image

11MAD• Configure at least one MAD mechanism for prompt IRF split detection and IRF fabric recovery.• If LACP MAD or ARP MAD runs between two IRF fabrics, assign each fabric a unique IRF domainID.• To exclude a port from the shutdown action that is executed when an IRF fabric transits to theRecovery state, use the mad exclude interface command. To bring up a port after the IRF fabrictransits to the Recovery state, you must use the mad restore command to activate the entire IRF fabric,and not the undo shutdown command.FIPS mode requirementTo form an IRF fabric, all member devices must use the same FIPS mode setting (configurable with the fipsmode enable command). For more information about FIPS mode, see Security Configuration Guide.Other configuration guidelines• Strictly follow the IRF fabric setup procedure described in "Setup and configuration task list" to planthe IRF fabric, identify IRF physical ports, connect IRF member switches, and configure basicsettings.• Assign each member a unique IRF member ID to make sure they can merge. You must reboot themembers to validate the IRF member ID settings.• Assign the highest member priority to the device you want to use as the master.• Before removing an interface card that has physical IRF ports in an IRF fabric, remove the IRFconnection cables, or use the shutdown command to shut down the IRF physical ports.• If a subordinate switch uses the same next-startup configuration file name as the master switch, thefile might be overwritten depending on your configuration file management settings. To continue touse the configuration file after removing the switch from the IRF fabric, back up the file before settingup the IRF fabric.• Save any configuration you have made to the startup configuration file before rebooting the IRFmember devices.Setup and configuration task listH3C recommends the basic IRF setup procedure in Figure 7. Perform the tasks in this figure on eachmember switch. After the IRF fabric is set up, you can access the IRF fabric to manage its memberswitches as if they were one switch.Figure 7 Basic IRF setup flow chart