User`s manual

P-660R-F1 Support Notes
47
All contents copyright © 2011 ZyXEL Communications Corporation.
destination address and port, TOS and precedence (fields in the IP header) and
length. The inclusion of length criterion is to differentiate between interactive and
bulk traffic. Interactive applications, e.g., Telnet, tend to have short packets, while
bulk traffic, e.g., file transfer, tends to have large packets.
The actions that can be taken include routing the packet to a different gateway
(and hence the outgoing interface) and the TOS and precedence fields in the IP
header. IPPR follows the existing packet filtering facility of ZyNOS in style and in
implementation. The policies are divided into sets, where related policies are
grouped together. A use defines the policies before applying them to an interface
or a remote node, in the same fashion as the filters. There are 12 policy sets with
6 policies in each set.
 Setup the IP Policy Routing

ip policyrouting
set index [set#] [rule#]

Policy Set Name=Test
Active= Yes
Criteria:
IP Protocol = 6
Type of Service= Don't Care Packet length= 0
Precedence = Don't Care Len Comp= N/A
Source:
addr start= 192.168.1.2 end= 192.168.1.20
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 = 192.168.1.254 Log= No
Type of Service= No Change
Precedence = No Change
This policy example forces the Web packets originated from the clients with IP
addresses from 192.168.1.2 to 192.168.1.20 be routed to the remote LAN via the
gateway 192.168.1.254.
To implement this, we need to invoke the following command one by one:
ip policyrouting set name Test
(Set the name as Test of IP routing policy rule )
ip policyrouting set active yes
(Enable the rule)
ip policyrouting set criteria protocol 6
(Set the protocol ID as 6(TCP) for the rule)
ip policyrouting set criteria serviceType 0

ip policyrouting set criteria precedence 8
(Set t
ip policyrouting set criteria packetlength 0
(Set the packet length as 0 for the rule)
ip policyrouting set criteria srcip 192.168.1.2 192.168.1.20