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Catalyst 3750-X and 3560-X Switch Software Configuration Guide
OL-21521-01
Chapter 13 Configuring Interface Characteristics
Using the Ethernet Management Port
Supported Features on the Ethernet Management Port
The Ethernet management port supports these features:
• Express Setup (only in switch stacks)
• Network Assistant
• Telnet with passwords
• TFTP
• Secure Shell (SSH)
• DHCP-based autoconfiguration
• SMNP (only the ENTITY-MIB and the IF-MIB)
• IP ping
• Interface features
–
Speed—10 Mb/s, 100 Mb/s, and autonegotiation
–
Duplex mode—Full, half, and autonegotiation
–
Loopback detection
• Cisco Discovery Protocol (CDP)
• DHCP relay agent
• IPv4 and IPv6 access control lists (ACLs)
• Routing protocols
Caution Before enabling a feature on the Ethernet management port, make sure that the feature is supported. If
you try to configure an unsupported feature on the Ethernet Management port, the feature might not work
properly, and the switch might fail.
Configuring the Ethernet Management Port
To specify the Ethernet management port in the CLI, enter fastethernet0.
To disable the port, use the shut
down interface configuration command. To enable the port, use the no
shutdown interface configuration command.
To find out the link status to the PC, you can monitor the LED for the Ethernet management port. The
LED
is green (on) when the link is active, and the LED is off when the link is down. The LED is amber
when there is a POST failure.
To display the link status, use the sho
w interfaces fastethernet 0 privileged EXEC command.