System Management Commands
4-63
4
Example
Frame Size Commands
jumbo frame
This command enables support for jumbo frames. Use the no form to disable it.
Syntax
[no] jumbo frame
Default Setting
Disabled
Command Mode
Global Configuration
Command Usage
• This switch provides more efficient throughput for large sequential data
transfers by supporting jumbo frames up to 9216 bytes. Compared to
standard Ethernet frames that run only up to 1.5 KB, using jumbo frames
significantly reduces the per-packet overhead required to process protocol
encapsulation fields.
• To use jumbo frames, both the source and destination end nodes (such as a
computer or server) must support this feature. Also, when the connection is
operating at full duplex, all switches in the network between the two end nodes
must be able to accept the extended frame size. And for half-duplex
connections, all devices in the collision domain would need to support jumbo
frames.
Console#show version
Unit1
Serial number: S416000937
Service tag:
Hardware version: R01
Module A type: 1000BaseT
Module B type: 1000BaseT
Number of ports: 26
Main power status: up
Redundant power status :not present
Agent (master)
Unit ID: 1
Loader version: 2.2.1.4
Boot ROM version: 2.2.1.8
Operation code version: 2.2.7.1
Console#
Table 4-24 Frame Size Commands
Command Function Mode Page
jumbo frame Enables support for jumbo frames GC 4-63
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