Displaying the WAN Logical View 4-11

WAN Applications
MTU
Displays the MTU (Maximum Transfer Unit) for this interface. The MTU is the
largest packet size that can be transmitted on the selected interface.
Line Coding
Displays the line coding set for this interface: INV-HDLC, JBZS, or None. None
(the default value) is displayed when the line coding being used on the interface
is B8ZS.
CRC Length
Displays the length of the CRC (Cyclical Redundancy Check) for this interface.
Changing WAN Logical Settings
You can change the protocol setting from the WAN Logical View window.
1. In the list box, click on the interface line of interest. The selected interface line
will be highlighted blue and the WAN Logical Settings window, as shown in
Figure 4-6, will appear.
Figure 4-6. The WAN Logical Settings Window
2. Click on the Protocol button to select PPP, Frame Relay, LEX or None.
3. Click on OK to save changes and exit the window, or Cancel to exit the
window without saving changes.
After exiting the Logical Settings window, the WAN Logical View window will
update with the changes you made.
TIP
The information in this window is static; use the Refresh button to view updated
information.