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Contents
IRF overview ································································································································································· 1
IRF benefits ·········································································································································································1
Application scenario
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Basic concepts ···································································································································································2
IRF member roles ······················································································································································2
IRF member ID···························································································································································2
IRF port ······································································································································································2
Physical IRF port ·······················································································································································3
IRF domain ID ···························································································································································3
IRF split ······································································································································································3
IRF merge ··································································································································································4
Member priority ························································································································································4
Interface naming conventions ··········································································································································4
File system naming conventions·······································································································································5
Configuration synchronization mechanism ····················································································································6
Master election ··································································································································································6
IRF multi-active detection ··················································································································································6
Multi-active handling procedure ·····························································································································6
LACP MAD ································································································································································7
BFD MAD ··································································································································································8
ARP MAD ··································································································································································9
Configuring IRF··························································································································································· 11
General restrictions and configuration guidelines
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Software requirements ·········································································································································· 11
IRF link redundancy ··············································································································································· 11
IRF physical port restrictions and cabling requirements ···················································································· 11
MAD ······································································································································································· 11
Other configuration guidelines ···························································································································· 11
Setup and configuration task list ·································································································································· 12
Planning the IRF fabric setup········································································································································· 13
Assigning a member ID to each IRF member switch ·································································································· 13
Specifying a priority for each member switch ············································································································ 14
Connecting physical IRF ports······································································································································· 14
Binding physical ports to IRF ports ······························································································································· 15
Accessing the IRF fabric ················································································································································ 17
Accessing the CLI of the master switch ··············································································································· 17
Accessing the CLI of a subordinate switch ········································································································· 18
Assigning an IRF domain ID to the IRF fabric·············································································································· 18
Configuring a member switch description··················································································································· 18
Configuring IRF bridge MAC persistence···················································································································· 19
Enabling software auto-update for system software image synchronization ··························································· 20
Setting the IRF link down report delay ························································································································· 21
Configuring MAD··························································································································································· 21
Configuring LACP MAD········································································································································ 22
Configuring BFD MAD ·········································································································································· 23
Configuring ARP MAD ·········································································································································· 25
Excluding a port from the shutdown action upon detection of multi-active collision······································ 26
Recovering an IRF fabric······································································································································· 27