R21xx-HP FlexFabric 11900 IRF Configuration Guide

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IRF overview ································································································································································· 1
Hardware compatibility ···················································································································································· 1
IRF benefits ········································································································································································· 1
Application scenario ························································································································································· 1
Network topologies ·························································································································································· 2
Basic concepts ··································································································································································· 2
Operating mode ······················································································································································· 3
IRF member roles ······················································································································································ 3
IRF member ID ··························································································································································· 4
MPU roles ·································································································································································· 4
IRF port ······································································································································································ 4
IRF physical port ······················································································································································· 5
IRF domain ID ··························································································································································· 5
IRF split ······································································································································································ 5
IRF merge ·································································································································································· 6
Member priority ························································································································································ 6
Master election ·································································································································································· 6
IRF multi-active detection ·················································································································································· 7
Multi-active handling procedure ····························································································································· 7
LACP MAD ································································································································································ 8
BFD MAD ·································································································································································· 9
Configuring IRF ··························································································································································· 10
General restrictions and configuration guidelines ······································································································ 10
Software requirements ·········································································································································· 10
MPU and IRF physical port restrictions ················································································································ 10
IRF link redundancy ··············································································································································· 11
ECMP route restrictions ········································································································································· 11
MAD ······································································································································································· 11
Other configuration guidelines ···························································································································· 11
Setup and configuration task list ·································································································································· 12
Planning the IRF fabric setup ········································································································································· 12
Preconfiguring IRF member devices in standalone mode ·························································································· 13
Assigning a member ID to each IRF member device ························································································· 13
Specifying a priority for each member device ··································································································· 13
Binding physical ports to IRF ports ······················································································································ 14
Saving configuration to the next-startup configuration file ························································································ 15
Connecting physical IRF ports ······································································································································· 15
Setting the operating mode to IRF mode ····················································································································· 16