NETGEAR M4300 - Page 476

Configure Quality of Service
476
M4300 Series and M4300-96X Fully Managed Switches User Manual
same as any destination port number within the range. After you select this option,
use the following fields to configure a destination port keyword, destination port
number, or destination port range for the match criteria:
- Protocol. Select the desired L4 keyword from the list on which the match is
based. If you select a keyword, the other destination port configuration fields
are not available.
- Port End. A user-defined L4 destination port number to match or the
destination port number with the lowest value within a range of ports.
- Port Start
. The destination port with the highest value within the range of
ports.
This field is not required if the match criteria is a single port.
• IP DSCP. Select this option to require the packet's IP DiffServ Code Point (DSCP)
value to match the specified value.
The DSCP value is defined as the high-order six
bits of the Service Type octet in the IP header. After you select this option, use one of
the following fields to configure the IP DSCP match criteria.
- IP DSCP Keyword.
The IP DSCP keyword code that corresponds to the IP
DSCP value to match. If you select a keyword, you cannot configure an IP
DSCP value.
- IP DSCP Value. The IP DSCP value to match.
• Precedence Value. Select this option to require the packet's IP Precedence value to
match the number configured in the IP Precedence V
alue field. The IP Precedence
field in a packet is defined as the high-order three bits of the Service Type octet in the
IP header.
• IP T
oS. Select this option to require the packet's Type of Service (ToS) bits in the IP
header to match the specified value.
The IP ToS field in a packet is defined as all
eight bits of the Service Type octet in the IP header. After you select this option, use
the following fields to configure the ToS match criteria:
• T
oS Bits. Enter a two-digit hexadecimal number octet value in the range 00 to ff to
match the bits in a packet’
s ToS field.
• ToS Mask. Specify the bit positions that are used for comparison against the IP
T
oS field in a packet.
12. Click the Apply button.
Your settings are saved.
The following table describes the nonconfigurable information displayed in the Class
Summary at the bottom of the Dif
fServ
Advanced Class Configuration page.
Table 182. DiffServ Class Configuration - Class Summary
Field Description
Match Criteria The configured match criteria for the specified class.
Values The values of the configured match criteria.