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6 ip policy routing example – ZyXEL Communications ZyXEL ExpWave 240B User Manual

Page 95

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ExpWave 240B Secure Outdoor Ethernet Radio Link

IP Policy Routing

15-5

15.6 IP Policy Routing Example

If a network has both Internet and remote node connections, you can route Web packets to the Internet using one
policy and route FTP packets to a remote network using another policy. See the next figure.

Figure 15-7 Example of IP Policy Routing

To force Web packets coming from clients with IP addresses of 192.168.1.33 to 192.168.1.64 to be routed to the
Internet via the WAN port of the ExpWave, follow the steps as shown next.

Step 1. Create a routing policy set in menu 25.

Step 2. Create a rule for this set in Menu 25.1.1 - IP Routing Policy as shown next.

Figure 15-8 IP Routing Policy Example

Step 3. Check Menu 25.1 - IP Routing Policy Setup to see if the rule is added correctly.

Step 4. Create another policy set in menu 25.

Menu 25.1.1 - IP Routing Policy

Policy Set Name= set1

Active= Yes

Criteria:

IP Protocol = 6

Type of Service= Don't Care

Packet length= 10

Precedence = Don't Care

Len Comp= N/A

Source:

addr start= 192.168.1.2

end= 192.168.1.64

port start= 0 end= N/A
Destination:

addr start= 0.0.0.0 end= N/A
port start= 80 end= 80
Action= Matched

Gateway addr = 192.168.1.1 Log= No
Type of Service= No Change

Precedence = No Change

Press ENTER to Confirm or ESC to Cancel:
Press Space Bar to Toggle.