Edge-Core ECS4660-28F Management Manual page 911

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This command enables support for layer 2 jumbo frames for Gigabit and

10 Gigabit Ethernet ports. Use the no form to disable it.

[no] jumbo frame

Global Configuration

This switch provides more efficient throughput for large sequential data

transfers by supporting jumbo frames on Gigabit and 10 Gigabit

Ethernet ports or trunks of 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.

This command globally enables support for jumbo frames on all Gigabit

and 10 Gigabit ports and trunks. To set the MTU for a specific interface,

enable jumbo frames and use the

the required size of the MTU.

The current setting for jumbo frames can be displayed with the

Console(config)#jumbo frame

Console(config)#

| System Management Commands

switchport mtu

command to specify

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