Chapter 1: SmartSwitch Router Product Overview

SSR boots, the boot image is executed first, followed by the system image and finishing with a configuration file.

Boot and System Image

Only one boot image exists on the internal flash of the SSR Control Module. Multiple system images can be stored on the external PC flash.

Configuration Files

The SSR uses three special configuration files:

Active – The commands from the Startup configuration file and any configuration commands that you have made active from the scratchpad (see below).

Caution: The active configuration remains in effect only during the current power cycle. If you power down or reboot the SSR without saving the active configuration changes to the Startup configuration file, the changes are lost.

Startup – The configuration file that the SSR uses to configure itself when the system is powered on.

Scratchpad – The configuration commands you have entered during a management session. These commands do not become active until you explicitly activate them. Because some commands depend on other commands for successful execution, the SSR scratchpad simplifies system configuration by allowing you to enter configuration commands in any order, even when dependencies exist. When you activate the commands in the scratchpad, the SSR sorts out the dependencies and executes the command in the proper sequence.

Loading System Image Software

By default, the SSR boots using the system image software installed on the Control Module’s PCMCIA flash card. To upgrade the system software and boot using the upgraded image, use the following procedure.

1.Display the current boot settings by entering the system show version command: Here is an example:

ctron-ssr-1# system show version Software Information

Software Version

:

1.0

 

 

 

Copyright

:

Copyright (c)

1996-1998 Cabletron

Systems,

Inc.

Image

Information

:

Version 1.0,

built on Fri Mar 20

19:28:49

1998

Image

Boot Location:

file:/pc-flash/boot/ssr8/

 

 

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SmartSwitch Router User Reference Manual

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Cabletron Systems 9032578-02 manual Boot and System Image, Configuration Files, Loading System Image Software

9032578-02 specifications

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