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differed from unit to unit.
● Half-duplex flow control (backjamming) cannot be enabled or disabled on a per port basis. If any port
on a specific unit is reconfigured, all half-duplex ports on that unit will be changed to the new
configuration.
● When setting up a SLIP IP address and an IP address for the unit you must ensure that the assigned
IP addresses are different.
● The default set-up for Netscape 4.76 on Solaris 2.6 may cause problems when using System >
Telnet > Connect. By changing the application that Netscape launches from 'xterm' to 'dtterm' the
problem is overcome. This is accomplished as follows:
1. From the Edit menu in Communicator, select Preferences.
2.
Click the arrow next to Navigator to expand its sub-menu and select Applications.
3.
In the Applications list in the right-hand pane, click on the row that has telnet in the Description
column and click the Edit button.
4.
In the Edit window, the text in the Application: box should be changed from:
xterm -e telnet %h %p
to
dtterm -e telnet %h %p
5.
Click OK to close the Edit window and click OK to close the Preferences window. System-
>Telnet->Connect should now connect correctly with the device.
● Netscape 4.7x browsers may crash if the browser window is maximised or re-sized whilst loading
switch management screens.
● If while using Netscape with the Web management interface, you attempt to access an area which is
restricted due to your current access level, you may be prompted repeatedly for a username and
password. To get out of this situation, click OK when you are asked if you want to reauthenticate,
then click Cancel on the username and password entry box. A message stating "401 Unauthorized"
will be displayed. You may now log in to the Web management interface again. To avoid this, log in
using a higher access level, or do not attempt to access areas of the Web interface which are
restricted for your access level.
● When using Netscape 4.7 it is recommended not to open multiple browsers and then visit other Web
sites before returning to the 3Com web management page. Scripts loaded by other web sites can
overwrite the settings required by the 3Com web management.
● If Netscape is being used to log into the device via the Web interface, and all attempts to the
RADIUS server time out, the next authentication attempt may fail immediately. To avoid this, wait
several seconds before retrying the authentication attempt.
● If you use Netscape to manage your Switch you may experience problems when trying to change
the user password.
3Com recommends that if you use Netscape and you need to change the password you do so via
the CLI command. To do this from the Web interface Device View, use the System > Telnet >
Connect operation to start a Telnet connection and then use the security device user
modify CLI command.