2000-A2-GB20-10
- 116 -
February 2004
Configur-
ing IP
Header
Compres-
sion (IPHC)
IPHC reduces the number of bytes transmitted across the WAN, thus
conserving bandwidth.
To enable or disable IP header compression, follow these steps:
1. On the Router Configuration menu, type
Q
.
2. The IAD displays the port table and prompts for a port:
Port VPI VCI Encapsulation Type
PCR
Service
1
0
40 RFC 1483 (with LLC Encap)3641
UBR
Total = 3641 cps
Maximum PCR this interface can support = 3622 cps
Select Port: [1-8]
Type the port number and press Enter.
3. The IAD displays the header compression status and prompt:
IP Header Compression for SDSL, Port 1 is currently
DISABLED
Enter E to Enable, D to Disable:
Type
E
to enable IP header compression on this port, or
D
to disable it.
If you enable IP header compression, the IAD displays the following
message:
Springtide Compatibility mode ENABLED (currently not
selectable)
The IAD saves the changes and displays the Router Configuration
menu.
4. Continue with other configuration tasks, or press Escape to return to
the Main menu.
5. Reset the IAD (page
14
) when you finish configuration.
Configur-
ing the LAN
IP Broad-
cast Desti-
nation
To set the LAN IP broadcast destination address (where all broadcast IP
packets received on the LAN ports will be redirected), follow these steps:
1. On the Router Configuration menu, type
B
.
2. The IAD displays the current LAN IP broadcast destination address
and a prompt:
Current LAN IP Broadcast destination Address =
0.0.0.0
Enter new LAN IP Broadcast destination address:
Type the new IP address.
3. The IAD saves the changes and displays the Router Configuration
menu.
4. Continue with other configuration tasks, or press Escape to return to
the Main menu.
5. Reset the IAD (page
14
) when you finish configuration.
Displaying
the Route
Table
To display the Route table and view information about statically configured
routes and dynamically learned ones, type
D
on the Router Configuration
menu.
The IAD displays each network address and related information:
