About Unidirectional Ethernet - Cisco Catalyst 4500 Series Software Configuration Manual
Cisco ios xe release 3.9.xe and cisco ios release 15.2(5)ex
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Also See for Catalyst 4500 Series:
- Administration manual (1814 pages) ,
- Configuration manual (1610 pages) ,
- Command reference manual (1230 pages)
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Configuring Unidirectional Ethernet
Unidirectional Ethernet is not supported on the following: Catalyst 4900M, Catalyst 4948E, Supervisor
Note
Engine 6-E, Supervisor Engine 6L-E, Supervisor Engine 7-E, and Supervisor Engine 7L-E uplinks.
This chapter describes how to configure Unidirectional Ethernet on the Catalyst 4500 series switch and
contains these sections:
•
•
For complete syntax and usage information for the switch commands used in this chapter, see the
Note
Cisco IOS Command Reference Guides for the Catalyst 4500 Series
If a command is not in the Cisco Catalyst 4500 Series Switch Command Reference , you can locate it in
the
About Unidirectional Ethernet
You can set stubless Gigabit Ethernet ports to unidirectionally transmit or receive traffic. Unidirectional
Ethernet uses only one strand of fiber for either transmitting or receiving one-way traffic for the Gigabit
Ethernet Port, instead of two strands of fiber for a full-duplex Gigabit Ethernet Port. Configuring your
Gigabit Ethernet Port either to transmit or receive traffic effectively doubles the amount of traffic
capabilities for applications, such as video streaming, where most traffic is sent as unacknowledged
unidirectional video broadcast streams.
Configuring Unidirectional Ethernet
You must configure Unidirectional Ethernet on the non-blocking Gigabit Ethernet Port, which
Note
automatically disables UDLD on the port.
About Unidirectional Ethernet, page 34-1
Configuring Unidirectional Ethernet, page 34-1
Cisco IOS Master Command List, All
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
C H A P T E R
Releases.
34
Switch.
34-1
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