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How to set MTU (Maximum Transmission Unit) size for interfaces (network interfaces). (Doc ID 1017799.1)

Last updated on JUNE 04, 2019

Applies to:

Solaris Operating System - Version 8.0 to 11.3 [Release 8.0 to 11.0]
Oracle Solaris on x86-64 (64-bit)
Oracle Solaris on x86 (32-bit)
Oracle Solaris on SPARC (32-bit)
Oracle Solaris on SPARC (64-bit)
"***Checked for relevance on 20-Nov-2013***"

Goal

Description

For an interface (network interface), its MTU (Maximum Transmission Unit) size in bytes represents the largest data size that can be placed inside a frame, without fragmentation, before being sent to the physical network.

The default MTU size for interfaces conforming to Ethernet v2 is 1500 bytes.

For an interface, you may desire to change its MTU size to fit your networking needs.

Solution

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