Extreme Networks ExtremeWare 7.7, Command Reference Manual

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312 ExtremeWare 7.7 Command Reference Guide
Commands for Configuring Slots and Ports on a Switch
enable jumbo-frame ports
enable jumbo-frame ports [<portlist> | all]
Description
Enables support on the physical ports that will carry jumbo frames.
For PoS modules. Enables jumbo-frame support to specific PoS ports when jumbo-frame support
changes the negotiated maximum receive unit (MRU) size.
Syntax Description
Default
Disabled
Usage Guidelines
Increases performance to back-end servers or allows for VMAN 802.1q encapsulations.
You must configure the maximum MTU size of a jumbo frame before you can use the
enable
jumbo-frame ports
command. Use the
configure jumbo-frame size
command to configure the
MTU size.
On a modular switch,
<portlist>
can be a list of slots and ports. On a stand-alone switch,
<portlist>
can be one or more port numbers. For a detailed explanation of port specification, see “Modular Switch
Numerical Ranges” or “Stand-alone Switch Numerical Ranges” in Chapter 1.
Example
The following command enables jumbo frame support on port 5 on a stand-alone switch:
enable jumbo-frame ports 5
The following command enables jumbo frame support on slot 3, port 5 on a modular switch:
enable jumbo-frame ports 3:5
History
This command was first available in ExtremeWare 6.0.
This command was modified in ExtremeWare 6.1 to support PoS modules.
This command was added to the Summit “ e ” series of switches in ExtremeWare 7.2e.
Platform Availability
This command is available on all platforms.
portlist Specifies one or more ports or slots and ports. On a modular switch, can be a list of slots and ports.
On a stand-alone switch, can be one or more port numbers. May be in the form 1, 2, 3-5, 2:*, 2:5,
2:6-2:8.
all Specifies all ports on the switch.