7 ip policy routing example – ZyXEL Communications G.SHDSL.bis 4-port Security Gateway P-793H User Manual

Page 353

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P-793H User’s Guide

Chapter 36 IP Routing Policy Setup

353

36.7 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.

Route 1 represents the default IP route and route 2 represents the configured IP route.

Packet Length

Type the length of incoming packets (in bytes). The operators in the Len Comp

(next field) apply to packets of this length.

Len Comp

Press [SPACE BAR] and then [ENTER] to choose from Equal, Not Equal,

Less, Greater, Less or Equal or Greater or Equal.

Source

addr start / end

Source IP address range from start to end.

port start / end

Source port number range from start to end; applicable only for TCP/UDP.

Destination

addr start / end

Destination IP address range from start to end.

port start / end

Destination port number range from start to end; applicable only for TCP/UDP.

Action

Specifies whether action should be taken on criteria Matched or Not Matched.

Gateway addr

Enter the IP address of the gateway to which the ZyXEL Device forwards the

packet. The gateway is an immediate neighbor of your ZyXEL Device and must

be on the same subnet as the ZyXEL Device, if it is on the LAN, or the IP

address of a remote node, if it is on the WAN. Enter 0.0.0.0 to specify the

default gateway.

Type of Service

Set the new TOS value of the outgoing packet. Prioritize incoming network

traffic by choosing No Change, Normal, Min Delay, Max Thruput, Max

Reliable or Min Cost.

Precedence

Set the new outgoing packet precedence value. Values are 0 to 7 or Don't

Care.

Log

Press [SPACE BAR] and then [ENTER] to select Yes to make an entry in the

system log when a policy is executed.

Table 130 Menu 25.1.1: IP Routing Policy (continued)

FIELD

DESCRIPTION

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