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Hardware compatibility ···················································································································································· 1
Switch model compatibility ····································································································································· 1
Card compatibility ···················································································································································· 1
Hardware compatibility for an IRF fabric with three or four members ······························································· 1
IRF overview ······································································································································································· 1
Benefits ······································································································································································ 1
Application scenario ················································································································································ 2
Basic concepts ··································································································································································· 3
Establishment, operation, and maintenance of an IRF fabric ······················································································· 6
Connecting the IRF member switches ····················································································································· 7
Topology collection ·················································································································································· 8
Master election ························································································································································· 9
IRF fabric management and maintenance ············································································································· 9
IRF fabric configuration task list ···································································································································· 10
Pre-configuring an IRF member switch in standalone mode ······················································································ 15
Setting a member ID for the switch······················································································································ 15
Specifying a priority for the switch ······················································································································ 15
Binding physical ports to IRF ports ······················································································································ 16
Saving configuration to the startup configuration file ································································································ 17
Switching operating mode ············································································································································ 17
IRF modes ······························································································································································· 17
Configuration file auto-conversion ······················································································································· 17
Switching the operating mode to IRF mode········································································································ 17
Accessing an IRF fabric ················································································································································· 18
Accessing the active MPU of an IRF fabric ········································································································· 18
Accessing a standby MPU of an IRF fabric ········································································································ 18
Configuring IRF member switches in IRF mode ··········································································································· 19
Specifying an IRF domain ID for an IRF fabric ··································································································· 19
Modifying a member ID for a switch ·················································································································· 20
Specifying a priority for a member switch ········································································································· 21
Configuring IRF ports ············································································································································ 21
Enabling auto reboot for IRF fabric merge ········································································································· 22
Configuring a description for a member switch ································································································ 23
Configuring load sharing criteria for IRF links ··································································································· 23
Specifying the preservation time of bridge MAC address ················································································ 24
Enabling automatic system software updating ··································································································· 25
Setting the IRF link down report delay ················································································································ 26
Configuring MAD detection ································································································································· 26
IRF configuration fast recovery ····································································································································· 32
Configuration prerequisites ·································································································································· 32
Configuration procedures ····································································································································· 33
Displaying and maintaining an IRF fabric ··················································································································· 33
IRF fabric configuration examples ································································································································ 34
LACP MAD detection-enabled IRF configuration example (with two member switches) ······························· 34
BFD MAD detection-enabled IRF configuration example (with two member switches) ·································· 38
LACP MAD detection-enabled IRF configuration example (with four member switches) ······························· 42
BFD MAD detection-enabled IRF configuration example (with four member switches) ································· 48
Switching the operating mode of IRF member switches from IRF to standalone ············································ 53
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