Cabletron Systems RoamAbout Betriebsanweisung PDF herunterladen (Seite 50)

Configuring the AP Using the RoamAbout Access Point Manager

4-6 Configuring Your Access Point

Access Point Software (Flash) Upgrades

The software running inside the Access Point can be easily upgraded. You should

randomly check our www site (listed in the front of this manual) to see the latest

information concerning new software releases, new features, and bug fixes.

To load the Access Point with an upgraded version of the firmware, it is suggested that

you copy the .bin file from the www site to the same directory as the RoamAbout

Access Point Manager. As part of the flash upgrade, you will be asked for the location

of the .bin file. After obtaining this information, a BootP/TFTP loader called, NetRider

Loader, will be launched, and a flash upgrade request will be made to a single Access

Point.

A flash upgrade command, or a reset command of any sort, cannot be made to a group

of Access Points.

A flash upgrade may cause the loss of the IP address on the Access Point, so the IP

address may have to be reloaded. In the meantime, management communications with

that Access Point will be lost.

You will see an indication of the flash load on the NetRider Loader screen. After this

happens, the Access Point must process the new software, and will be unavailable for

a minute or so afterwards. The easiest way to know this has completed is to look for

normal flashing of the front panel lights. Until this happens, trying to read data from

the Access Point will fail because the Access Point is not responding.

Options

The options selection in the Manager’s main menu allows the user to customize the

SNMP R/W community string, and the time-out/retry parameters for SNMP

commands. In addition, the toolbar and status bar can be selected or deselected as part

of the options menu.

When modifying a community string, there are two primary scenarios to keep in mind.

The first is the case where the Access Points already have a user specified community

string, and the configurator must use that community string to obtain SNMP

information. In this case, the R/W community string is modified in the community

string dialog box, and the "Change community string on AP also" check box is left

blank.

The second scenario occurs when a user wishes to change the R/W community string

on an Access Point itself. In that case, the user makes a change to the R/W Community

field and checks the "Change community string on AP also" check box. This causes a

change command to be sent to the AP, and the configurator also changes its internal

community string to keep in sync with the Access Point.

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Cabletron Systems RoamAbout Betriebsanweisung Seite 50