Cisco Systems IC-23 Manual de usuario descargar pdf (Pagina 5)

Configuring LAN Interfaces

Configuring an Ethernet or Fast Ethernet Interface

IC-27

Cisco IOS Interface Configuration Guide

Extending the 10BASE-T Capability

On a Cisco 4000 series or Cisco 4500 series routers, you can extend the twisted-pair 10BASE-T capability

beyond the standard 100 meters by reducing the squelch (signal cutoff time). This feature applies only

to the LANCE controller 10BASE-T interfaces. LANCE is the AMD controller chip for the Cisco 4000

and Cisco 4500 Ethernet interface.

Note Does not apply to the Fast Ethernet interface.

To reduce squelch, use the first command in the following table in interface configuration mode. You

can later restore the squelch by using the second command.

Configuring Fast Ethernet 100BASE-T

You must configure the Fast Ethernet 100BASE-T interface on a Cisco AS5300 so that it can be

recognized as a device on the Ethernet LAN. The Fast Ethernet interface supports 10- and 100-Mbps

speeds with the 100BASE-T and 10BASE-T routers, hubs, and switches.

To configure the interface, use the following commands beginning in privileged EXEC mode:

To use the auto-negotiation capability (that is, to detect speed and duplex modes automatically), you

must set both speed and duplex to auto. Setting the speed to auto negotiates speed only, and setting

duplex to auto negotiates duplex only. Table 3 describes the access server’s performance for different

combinations of the duplex and speed command options. The specified duplex command option plus

the specified speed command option produces the resulting system action.

Command Purpose

squelch reduced

Reduces the squelch.

squelch normal

Returns squelch to normal.

Command Purpose

Step 1

configure terminal

Enters global configuration mode.

Step 2

interface fastethernet number

Enters Fast Ethernet interface configuration mode.

Step 3

ip address address subnet-mask

Assigns an IP address and subnet mask to the interface.

Step 4

speed {10 | 100 | auto}

Assigns a speed to the interface. The default is 100 Mbps.

For relationship between duplex and speed command options, see Table 3.

1. The auto option automatically negotiates the speed based on the speed and the peer router, hub, or switch media.

Step 5

duplex {full | half | auto}

Sets up the duplex configuration on the Fast Ethernet interface. The default

is half duplex.

For relationship between duplex and speed command options, see Table 3.

1 2 3 4 5 6 7 8 9 10 ... 45 46

Comentarios a estos manuales

Sin comentarios

Cisco Systems IC-23 Manual de usuario Pagina 5

Comentarios a estos manuales

Relacionado con productos y manuales para Redes Cisco Systems IC-23