Intel express 550t User Manual

500.bok : 50007 118 Fri Sep 11 14:52:16 1998

C H A P T E R 7

Console Port Use and Troubleshooting

118

Recovering from Start-up Failure

Network boot process

The network boot process is as follows:

1. The switch sends a BOOTP request over the network.

The boot request contains the switch’s MAC address. The boot
server contains a bootptab file with an entry for the switch which
is defined by the MAC address.

2. If a boot server which holds the software for the switch receives

the boot request, it loads the boot software over the network to
the destination MAC address.

Using Maintenance Mode

Purpose

Maintenance Mode offers three facilities:

•

It allows you to force the switch to load a specified software file
from any specified TFTP server.

•

It provides an emergency facility to force boot the switch from a
specified boot server if the switch cannot boot from Flash Mem-
ory. From Maintenance Mode the switch is forced to issue a

1680

Boot Request

Boot

Ser ver (TFTP)

Switch

Power

Intel Express
550T Routing
Switch

Status

Temperature

RPS

Reset

Console

9600-8-N-1

Slot B

Slot A

Blink

Solid

Off

Activity

Link

100 Mbps

10 Mbps

Collision

Disabled

Full duplex

Half duplex

LEDs

Green

Orange

Port Status

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Software download