D-Link DFL-260E User Manual for DFL-260E - Page 170
NetDefendOS Route Definition Advantages, Composite Subnets can be Specified, MS TCP Loopback interface
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4.2.2. Static Routing Chapter 4. Routing this way is easier to understand, making errors less likely. Many other products do not use the specific interface in the routing table, but specify the IP address of the interface instead. The routing table below is from a Microsoft Windows XP workstation: Interface List 0x1 MS TCP Loopback interface 0x10003 ...00 13 d4 51 8d dd ...... Intel(R) PRO/1000 CT Network 0x20004 ...00 53 45 00 00 00 ...... WAN (PPP/SLIP) Interface Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 192.168.0.1 192.168.0.10 20 10.0.0.0 255.0.0.0 10.4.2.143 10.4.2.143 1 10.4.2.143 255.255.255.255 127.0.0.1 127.0.0.1 50 10.255.255.255 255.255.255.255 10.4.2.143 10.4.2.143 50 85.11.194.33 255.255.255.255 192.168.0.1 192.168.0.10 20 127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1 192.168.0.0 255.255.255.0 192.168.0.10 192.168.0.10 20 192.168.0.10 255.255.255.255 127.0.0.1 127.0.0.1 20 192.168.0.255 255.255.255.255 192.168.0.10 192.168.0.10 20 224.0.0.0 240.0.0.0 10.4.2.143 10.4.2.143 50 224.0.0.0 240.0.0.0 192.168.0.10 192.168.0.10 20 255.255.255.255 255.255.255.255 10.4.2.143 10.4.2.143 1 255.255.255.255 255.255.255.255 192.168.0.10 192.168.0.10 1 Default Gateway: 192.168.0.1 Persistent Routes: None The corresponding routing table in NetDefendOS will be similar to the following: Flags Network Iface Gateway Local IP Metric 192.168.0.0/24 lan 20 10.0.0.0/8 wan 1 0.0.0.0/0 wan 192.168.0.1 20 NetDefendOS Route Definition Advantages The NetDefendOS method of defining routes makes the reading and understanding of routing information easier. A further advantage with the NetDefendOS approach is that the administrator can directly specify a gateway for a particular route and the following is true: • A separate route does not need to be defined that includes the gateway IP address. • It does not matter even if there is a separate route which includes the gateway IP address and that routes traffic to a different interface. Composite Subnets can be Specified Another advantage with the NetDefendOS approach to route definition is that it allows the administrator to specify routes for destinations that are not aligned with traditional subnet masks. 170