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ZyXEL Communications ZyXEL ZyAIR 100 User Manual

Page 479

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ZyWALL 10~100 Series Internet Security Gateway

IP Policy Routing

37-5

Table 37-2 IP Routing Policy

FIELD DESCRIPTION

Active

Press [SPACE BAR] and then [ENTER] to select Yes to activate the policy.

Criteria

IP Protocol

Enter a number that represents an IP layer 4 protocol, for example, UDP=17,
TCP=6, ICMP=1 and Don’t care=0.

Type of Service

Prioritize incoming network traffic by choosing from Don’t Care, Normal, Min
Delay
, Max Thruput or Max Reliable.

Precedence

Precedence value of the incoming packet. Press [SPACE BAR] and then
[ENTER] to select a value from 0 to 7 or Don’t Care.

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

Defines the outgoing gateway address. The gateway must be on the same
subnet as the ZYWALL if it is on the LAN, otherwise, the gateway must be the
IP address of a remote node. The default gateway is specified as 0.0.0.0.

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 No
Change
.

Log

Press [SPACE BAR] and then [ENTER] to select Yes to make an entry in the
system log when a policy is executed.