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NetApp Knowledge Base

Can an interface group (IFGRP) be modified after it is created?

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Category:
ontap-9
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network
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Applies to

ONTAP 9

Answer

  • Only member ports of an IFGRP can be modified (added/removed) after it is created
  • An IFGRP must be deleted and re-created to change the mode or distribution function
    • To remove/delete the existing IFGRP:
      • network port ifgrp delete -node <node> -ifgrp <ifgrp>
    • To recreate the IFGRP:
      • network port ifgrp create -node <node> -ifgrp <ifgrp> -distr-func <function> -mode <mode>
        • Distribution function:
          • mac - Network traffic is distributed based on MAC addresses
          • ip - Network traffic is distributed based on IP addresses
          • sequential - Network traffic is distributed in round-robin fashion from the list of configured, available ports
          • port - Network traffic is distributed based on the transport layer (TCP/UDP) ports
        • Mode:
          • multimode - Bundle multiple member ports of the interface group to act as a single trunked port
          • multimode_lacp - Bundle multiple member ports of the interface group using Link Aggregation Control Protocol
          • singlemode - Provide port redundancy using member ports of the interface group for failover
    • Port(s) need to be added to the new IFGRP:
      • network port ifgrp add-port -node <node> -ifgrp <ifgrp> -port <port>

 

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