Configuring Interface Descriptions; Configuring Beacon Mode; Configuring Autonegotiation; Configuring The Mtu Frame Size - Cisco MDS 9000 series Configuration Manual
Nx-os ip services multilayer switches
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Also See for MDS 9000 series:
- Command reference manual (1464 pages) ,
- Configuration manual (344 pages) ,
- Troubleshooting manual (161 pages)
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Chapter 7
Configuring IPv4 for Gigabit Ethernet Interfaces
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
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Configuring Interface Descriptions
See the Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide for details on configuring the
switch port description for any interface.
Configuring Beacon Mode
See the Cisco MDS 9000 Family NX-OS Interfaces Configuration Guide for details on configuring the
beacon mode for any interface.
Configuring Autonegotiation
By default, autonegotiation is enabled all Gigabit Ethernet interface. You can enable or disable
autonegotiation for a specified Gigabit Ethernet interface. When autonegotiation is enabled, the port
automatically detects the speed or pause method, and duplex of incoming signals based on the link
partner. You can also detect link up conditions using the autonegotiation feature.
To configure autonegotiation, follow these steps:
Command
Step 1
switch# config terminal
switch(config)#
Step 2
switch(config)# interface gigabitethernet 2/2
switch(config-if)#
Step 3
switch(config-if)# switchport auto-negotiate
switch(config-if)# no switchport
auto-negotiate
Configuring the MTU Frame Size
You can configure the interfaces on a switch to transfer large (or jumbo) frames on a port. The default
IP maximum transmission unit (MTU) frame size is 1500 bytes for all Ethernet ports. By configuring
jumbo frames on a port, the MTU size can be increased up to 9000 bytes.
The minimum MTU size is 576 bytes.
Note
Tip
MTU changes are disruptive, all FCIP links and iSCSI sessions flap when the software detects a change
in the MTU size.
OL-19525-01,Cisco MDS NX-OS Release 4.2(1)
Configuring Autonegotiation, page 7-3
Configuring the MTU Frame Size, page 7-3
Configuring Promiscuous Mode, page 7-4
Basic Gigabit Ethernet Configuration for IPv4
Purpose
Enters configuration mode.
Enters the interface configuration mode on the
Gigabit Ethernet interface (slot 2, port 2).
Enables autonegotiation for this Gigabit
Ethernet interface (default).
Disables autonegotiation for this Gigabit
Ethernet interface.
Cisco MDS 9000 Family NX-OS IP Services Configuration Guide
7-3
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