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Modifying Mtu Size in Solaris 11: dladm set-linkprop -p mtu produces "link busy" (Doc ID 1667669.1)

Last updated on MAY 09, 2018

Applies to:

Solaris SPARC Operating System - Version 10 10/08 U6 and later
Information in this document applies to any platform.

Symptoms

 Increase the MTU size of an interface using dladm, in this case aggregation, but it fails with "link busy".

 # dladm set-linkprop -p mtu=9000 isc_agreg1
dladm: warning: cannot set link property 'mtu' on 'isc_agreg1': link busy
 

Cause

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