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C
OMMAND
L
INE
I
NTERFACE
4-86
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.
• Enabling jumbo frames will limit the maximum threshold for
broadcast storm control to 64 packets per second. (See the
switchport
broadcast
command on page 4-150.)
• The current setting for jumbo frames can be displayed with the
show
system
command (page 4-83).
Example
Flash/File Commands
These commands are used to manage the system code or configuration
files.
Console(config)#jumbo frame
Console(config)#
Table 4-25 Flash/File Commands
Command
Function
Mode
Page
copy
Copies a code image or a switch configuration to
or from flash memory or a TFTP server
PE
4-87
delete
Deletes a file or code image
PE
4-90
dir
Displays a list of files in flash memory
PE
4-91
Summary of Contents for 6726AL2 FICHE
Page 2: ......
Page 20: ...CONTENTS xvi ...
Page 24: ...TABLES xx ...
Page 28: ...FIGURES xxiv ...
Page 38: ...INTRODUCTION 1 10 ...
Page 240: ...CONFIGURING THE SWITCH 3 190 ...
Page 502: ...TROUBLESHOOTING B 4 ...
Page 515: ......