H3C S5120-EI Series Configuration Manual

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15Binding physical ports to IRF portsTo establish an IRF connection between two devices, you must bind at least one physical port to IRF-port1 on one device and to IRF-port 2 on the other. For link redundancy and load sharing, bind multiplephysical ports to one IRF port.When you bind physical ports to IRF ports, follow the restrictions in "IRF port binding restrictions."On a physical port that has been bound to an IRF port, you can only use the cfd, default, shutdown,description, and flow-interval commands. For more information about these commands, see Layer2—LAN Switching Command Reference.To bind physical ports to IRF ports:Step Command Remarks1. Enter system view. system-view N/A2. Enter Ethernet interface viewor interface range view.• Enter interface range view:{ Method 1:interface range{ interface-typeinterface-number [ tointerface-typeinterface-number ] }&<1-5>{ Method 2:interface range namename [ interface{ interface-typeinterface-number [ tointerface-typeinterface-number ] }&<1-5> ]• Enter interface view:interface interface-typeinterface-numberTo shut down a range of physical IRFports, enter interface range view.To shut down one physical IRF port,enter its interface view.3. Shut down the port or ports. shutdownAlways shut down a physical portbefore binding it to an IRF port orremoving the binding.Start the shutdown operation on themaster and then the switch that hasthe fewest number of hops from themaster.4. Return to system view. quit N/A5. Enter IRF port view. irf-port member-id/port-number N/A6. Bind each physical port tothe IRF port.port group interface interface-typeinterface-number [ mode{ enhanced | normal } ]By default, no physical port is boundto any IRF port.The switch does not support theenhanced keyword.Make sure the two ends of an IRF linkuse the same binding mode.7. Return to system view. quit N/A