Appendix C | |
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LAN IP Address
Used to enter the IP address for the IP router LAN interface. This is the address to which nodes connected to the local LAN send packets addressed to the WAN.
LAN IP Mask
Used to enter the IP subnet mask. The IP router supports a maximum of 254 hosts on the LAN, therefore you must use Class C subnet masks. The basic subnet IP mask for Class C addresses, which supports the maximum possible number of hosts, 254, is 255.255.255.0. To help you understand the selection of IP subnet masks, Figure
LAN IP Address: 192.168.1.2
Mask: 255.255.255.248
IP Address | 192.168.1.2 | .3 | .4 | .5 | .6 |
Mask | 255.255.255.248 | .248 | .248 | .248 | .248 |
Default Gateway | 192.168.1.1 | 192.168.1.1 | 192.168.1.1 | 192.168.1.1 | 192.168.1.1 |
Figure C-7. Selecting the IP Subnet Mask
WAN IP Address
Used to enter the IP address for the
If the WAN IP Address field remain blank,
WAN IP Mask
Used to enter the IP subnet mask for the WAN interface.
Default Gateway
Operation without Default Gateway
The IP interface module is intended to enable the extension of LANs through the
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•Packets received from the WAN interface and destined to hosts located on the local LAN are forwarded to the LAN; other packets are discarded.
The default operation is used when the Default Gateway field is blank.
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