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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
General restrictions and configuration guidelines ······································································································ 12
Hardware compatibility ········································································································································ 12
Software requirements ·········································································································································· 12
IRF size ··································································································································································· 13
MPU requirements ················································································································································· 13
IRF physical interface requirements ····················································································································· 13
Connecting IRF ports ············································································································································· 14
IRF link redundancy ··············································································································································· 14
Multichassis link aggregation ······························································································································ 14
Feature compatibility and configuration restrictions ·························································································· 14
Configuration backup ··········································································································································· 14
Setup and configuration task list ·································································································································· 15
Planning the IRF fabric setup ········································································································································· 15
Preconfiguring IRF member devices in standalone mode ·························································································· 16
Assigning a member ID to each IRF member device ························································································· 16
Specifying a priority for each member device ··································································································· 16
Binding physical interfaces to IRF ports ·············································································································· 16
Saving configuration to the next-startup configuration file ························································································ 17
Connecting IRF physical interfaces ······························································································································· 18
Setting the operating mode to IRF mode ····················································································································· 18
Accessing the IRF fabric ················································································································································ 19
Configuring IRF member devices in IRF mode ············································································································ 19
Assigning an IRF domain ID to the IRF fabric ····································································································· 20
Changing the member ID of a device ················································································································· 20
Changing the priority of a member device ········································································································ 20
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