Hitachi GR2000 Series Network Router User Manual


 
Filtering/QoS Information
GR2K-GA-0014 1-75
Ver. 07-02
Specifies the rewriting value for the EXP field.
(This parameter is valid for RP-CV and RP-DV.)
Default: None.
Range of value: 0 to 7.
Specifies the rewriting value for user priority.
Use this parameter to specify "out" (outbound) VLAN line information as flow
control on the outbound side. When this parameter is set, it is only possible to
set -priority, -discard and -replace dscp.
Default: None
Range of value: 0 - 7
The number of entries used per list as a result of setting the important packet
protecting function, maximum band restriction, and minimum band assurance is as
showninTable1-45.
Input Examples
1. Setting the IPv4 QoS flow information
Classification of packets:
In order to preferentially transfer the packets with the transmitter IP
addresses of 10, 10, 10, 2, the high-order protocol of TCP, and with the
destination port number of 23 (telnet), the output priority class of the said
packets are specified as seven and that of other packets as one.
Table 1-45 Number of Entries Used per List by Each Setting
Setting Contents
Setting Parameter
Number of
Entry
-premium -max_rate -min_rate
No setting 1
Maximum band restriction
1
Minimum band assurance
1
Maximum band restriction + minimum band assurance
√√2
Maximum band restriction + important packet protection
√√ 2
Minimum band assurance + important packet protection
2
Maximum band restriction +minimum band assurance +
important packet protection
√√√4
: With setting. No mark : Without setting