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Basic System Settings
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CLI – Enter the following command.
Configuring Support for Jumbo Frames
The 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.
Command Usage
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.
Command Attributes
Jumbo Packet Status – Configures support for jumbo frames. (Default: Disabled)
Web – Click System, Jumbo Frames. Enable or disable support for jumbo frames,
and click Apply.
Figure 4-4 Configuring Support for Jumbo Frames
CLI – This example enables jumbo frames globally for the switch.
Console#show bridge-ext 52-2
Max support VLAN numbers: 256
Max support VLAN ID: 4093
Extended multicast filtering services: No
Static entry individual port: Yes
VLAN learning: IVL
Configurable PVID tagging: Yes
Local VLAN capable: No
Traffic classes: Enabled
Global GVRP status: Disabled
GMRP: Disabled
Console#
Console(config)#jumbo frame 34-3
Console(config)#