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Contents
IRF overview ································································································································································· 1
Hardware compatibility ···················································································································································· 1
IRF benefits ········································································································································································· 1
Application scenario ························································································································································· 1
Basic concepts ··································································································································································· 2
Operating mode ······················································································································································· 4
IRF member roles ······················································································································································ 4
MPU roles ·································································································································································· 5
IRF member ID ··························································································································································· 5
IRF port ······································································································································································ 5
Physical IRF port ······················································································································································· 6
IRF domain ID ··························································································································································· 6
IRF split ······································································································································································ 7
IRF merge ·································································································································································· 7
Member priority ························································································································································ 7
Master election ·································································································································································· 7
IRF multi-active detection ·················································································································································· 8
Multi-active handling procedure ····························································································································· 8
LACP MAD ································································································································································ 9
BFD MAD ······························································································································································· 10
ARP MAD ······························································································································································· 12
Configuring IRF ··························································································································································· 14
General restrictions and configuration guidelines ······································································································ 14
Software requirements ·········································································································································· 14
IRF size ··································································································································································· 14
MPU and IRF port restrictions ······························································································································· 14
IRF link redundancy ··············································································································································· 14
Feature and IRF mode compatibility ···················································································································· 14
MAD ······································································································································································· 15
Other configuration guidelines ···························································································································· 15
Setup and configuration task list ·································································································································· 15
Planning the IRF fabric setup ········································································································································· 16
Preconfiguring IRF member devices in standalone mode ·························································································· 17
Assigning a member ID to each IRF member device ························································································· 17
Specifying a priority for each member device ··································································································· 17
Binding physical ports to IRF ports ······················································································································ 18
Enabling enhanced IRF mode in standalone mode ···································································································· 18
Saving configuration to the next-startup configuration file ························································································ 19
Connecting physical IRF ports ······································································································································· 19
Setting the operating mode to IRF mode ····················································································································· 20
Accessing the IRF fabric ················································································································································ 21
Accessing the global active MPU of the IRF fabric ···························································································· 21
Accessing a standby MPU in the IRF fabric ········································································································ 21
Configuring IRF member devices in IRF mode ············································································································ 22
Assigning an IRF domain ID to the IRF fabric ····································································································· 22
Changing the member ID of a device ················································································································· 23
Changing the priority of a member device ········································································································ 24
Adding physical ports to an IRF port ··················································································································· 24
