Hitachi GR2000 Series manual Combination of Pair Switch, GR2K-GA-0014 117 Ver

					Filtering/QoS Information
	Table 1-60 Combination of Pair Switch
No.	Combination of Pair Switch			Setting	Processing
1	-Pair_synchronized_off	-port_pair_off	-ip_pair_off	Available	Checks the O‘ address and high-order
					protocol port No. by not switching
					source and destination.
2			-ip_pair	Available	The source and destination upper
					protocol port numbers are checked
					without being replaced.
					Checks the source IP address by both
					cases of switching/not switching source
					and destination.
3		-port_pair	-ip_pair_off	Available	Checks the source high-order protocol
					No. by both cases of switching/not
					switching source and destination.
					The source and destination IP
					addresses are checked without being
					replaced.
4			-ip_pair	Available	For the IP address and upper protocol
				(Default)	port number, the source and destination
					are checked in both cases below.
					• When they are not replaced
					• When they are replaced
5	-pair_synchronized	-port_pair_off	-ip_pair_off	Available	For the IP address and upper protocol
					port number, the source and destination
					are checked in the cases below.
					• When both of them are not replaced
					• When both of them are replaced at
					the same time.
6			-ip_pair	Not	
				available
7		-port_pair	-ip_pair_off	Not	
				available
8			-ip_pair	Not	
				available

Table 1-61 Combined Setting of Pair Switch and Possibility of Use

No.	Combined Setting of	Possibility of	Processing
	Pair Switch (Note)	Use
1	-ip_pair_off	Possible	The source and destination IP addresses are checked without being
			replaced.
2	-ip_pair	Possible	For the IP address and upper protocol port number, the source and
			destination are checked in both cases below.
			• When they are not replaced
			• When they are replaced

Note: -port_pair_off/-port_pair and -pair_synchronized_off/-pair_synchronized switches are

*invalidated when the upper protocol number is undefined or when numbers other than 6(TCP) or 17(UDP) are defined in the upper protocol number.

GR2K-GA-0014	1-117
Ver. 07-02