
Rockwell Automation Publication 1783-UM007I-EN-P - December 2017
157
Configure Switch Features
Chapter 3
Maximum Transmission Unit
(MTU)
The MTU defines the largest size of frames that an interface can send or
receive in a single network transaction.
In Device Manager, you can change the following MTU settings on the switch:
•
System MTU—Applies to all interfaces.
•
Jumbo MTU—Overrides the system MTU on all Gigabit Ethernet and
10-Gigabit Ethernet interfaces.
Configure the MTU via Device Manager
To configure the MTU, follow these steps.
1.
From the Admin menu, choose MTU.
2.
Complete the fields as described in
and click Submit.
\
3.
When the following message appears, click OK and restart the switch.
IMPORTANT
To use Parallel Redundancy Protocol (PRP), you must set the jumbo MTU size
to 1506 on all switches in LAN A and LAN B to help prevent the switch from
dropping PRP frames. This MTU value is not required for a switch configured
as a RedBox. See
PRP Considerations on page 213
.
Table 60 - MTU Fields
Field
Description
System MTU
Sets the MTU value for all interfaces.
Valid values: 1500…1918 bytes
Jumbo MTU
Overrides the system MTU on all Gigabit Ethernet and 10-Gigabit Ethernet interfaces.
Valid values: 1500…9000 bytes
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Страница 10: ...10 Rockwell Automation Publication 1783 UM007I EN P December 2017 Table of Contents Notes ...
Страница 12: ...12 Rockwell Automation Publication 1783 UM007I EN P December 2017 Preface Notes ...
Страница 72: ...72 Rockwell Automation Publication 1783 UM007I EN P December 2017 Chapter 2 Get Started Notes ...
Страница 148: ...148 Rockwell Automation Publication 1783 UM007I EN P December 2017 Chapter 3 Configure Switch Features ...
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Страница 338: ...338 Rockwell Automation Publication 1783 UM007I EN P December 2017 Chapter 5 Troubleshoot the Switch Notes ...
Страница 396: ...396 Rockwell Automation Publication 1783 UM007I EN P December 2017 Appendix A DataTypes Notes ...
Страница 404: ...404 Rockwell Automation Publication 1783 UM007I EN P December 2017 Appendix B Port Assignments for CIP Data Notes ...
Страница 450: ...450 Rockwell Automation Publication 1783 UM007I EN P December 2017 Appendix D Cables and Connectors Notes ...
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