Contents
Setting up an IRF fabric ··············································································································································· 3
Overview ············································································································································································ 3
Network topologies ·························································································································································· 4
Basic concepts ··································································································································································· 4
Operating mode ······················································································································································· 5
IRF member roles ······················································································································································ 5
IRF member ID ··························································································································································· 5
MPU roles ·································································································································································· 5
IRF port ······································································································································································ 5
IRF physical interface ··············································································································································· 6
MAD ·········································································································································································· 6
IRF domain ID ··························································································································································· 6
IRF split ······································································································································································ 7
IRF merge ·································································································································································· 7
Member priority ························································································································································ 8
Configuration synchronization ········································································································································ 8
Master election ·································································································································································· 8
Multi-active handling procedure ······································································································································ 9
Detection ··································································································································································· 9
Collision handling ···················································································································································· 9
Failure recovery ························································································································································ 9
MAD mechanisms ·························································································································································· 10
LACP MAD ····························································································································································· 10
BFD MAD ······························································································································································· 11
Hardware compatibility ········································································································································ 12
Software requirements ·········································································································································· 12
IRF size ··································································································································································· 13
MPU requirements ················································································································································· 13
Connecting IRF ports ············································································································································· 14
IRF link redundancy ··············································································································································· 14
Multichassis link aggregation ······························································································································ 14
Configuration backup ··········································································································································· 14
Setup and configuration task list ·································································································································· 15
Planning the IRF fabric setup ········································································································································· 15
Accessing the IRF fabric ················································································································································ 19
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