Cisco CATALYST 2960

12-25
Catalyst 2960 and 2960-S Switches Software Configuration Guide, Release 15.0(1)SE
OL-26520-01
Chapter 12 Configuring Interface Characteristics
Using the Ethernet Management Port (Catalyst 2960-S Only)
• 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)
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 shutdown 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 show interfaces fastethernet 0 privileged EXEC command.
TFTP and the Ethernet Management Port
Use the commands in Table 12-3 when using TFTP to download or upload a configuration file to the boot
loader.
Table 12-3 Boot Loader Commands
Command Description
arp [ip_address] Displays the currently cached ARP
1
table when this command is entered
without the ip_address parameter.
Enables ARP to associate a MAC address with the specified IP address
when this command is entered with the ip_address parameter.
mgmt_clr Clears the statistics for the Ethernet management port.
mgmt_init Starts the Ethernet management port.
mgmt_show Displays the statistics for the Ethernet management port.
ping host_ip_address Sends ICMP ECHO_REQUEST packets to the specified network host.