CHAPTER 6
Configuring System MTU
•
Finding Feature Information, page 77
•
Information about the MTU, page 77
•
How to Configure MTU , page 78
•
Configuration Examples for System MTU, page 79
•
Additional References for System MTU, page 80
•
Feature Information for System MTU, page 80
Finding Feature Information
Your software release may not support all the features documented in this module. For the latest caveats and
feature information, see Bug Search Tool and the release notes for your platform and software release. To
find information about the features documented in this module, and to see a list of the releases in which each
feature is supported, see the feature information table at the end of this module.
Use Cisco Feature Navigator to find information about platform support and Cisco software image support.
To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on Cisco.com is not
required.
Information about the MTU
The default maximum transmission unit (MTU) size for frames received and transmitted on all interfaces is
1500 bytes. You can increase the MTU size for all interfaces operating at 10 or 100 Mb/s by using the system
mtu global configuration command. You can increase the MTU size to support jumbo frames on all Gigabit
Ethernet interfaces by using the system mtu jumbo global configuration command.
The switch supports jumbo frames at CPU.Note
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
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