NETGEAR S3300-28X (GS728TX) 24x1GE - Инструкция по эксплуатации - Страница 233

Configuring Quality of Service 

233

 S3300 Smart Managed Pro Switch

•

Destination MAC Mask

. This is a bit mask in the same format as MAC Address 

indicating which part(s) of the destination MAC Address to use for matching against 
packet content. 

•

Protocol Type

. Requires a packet’s layer 4 protocol to match the protocol you select. 

If you select Other, enter a protocol number in the field that displays. The valid range 
is 0–255.

•

Source IP Address

. Requires a packet’s source port IP address to match the 

address listed here. In the IP Address field, enter a valid source IP address in dotted 
decimal format. 

•

Source Mask

. Enter a valid subnet mask to determine which bits in the IP address 

are significant. Note that this is not a wildcard mask. 

•

Source L4 Port

. Requires a packet’s TCP/UDP source port to match the port you 

select. Select the desired L4 keyword from the list on which the rule can be based. If 
you select Other, the screen refreshes and a Port ID field displays. Enter a 
user-defined Port ID by which packets are matched to the rule. 

•

Destination IP Address

. Requires a packet’s destination port IP address to match 

the address listed here. In the IP Address field, enter a valid destination IP address in 
dotted decimal format. 

•

Destination Mas

k. Enter a valid subnet mask to determine which bits in the IP 

address are significant. This is not a wildcard mask.

•

Destination L4 Port

. Requires a packet’s TCP/UDP destination port to match the 

port you select. Select the desired L4 keyword from the list on which the rule can be 
based. If you select Other, the screen refreshes and a Port ID field displays. Enter a 
user-defined Port ID by which packets are matched to the rule.

•

IP DSCP

. Matches the packet’s DSCP to the class criteria’s when selected. Select the 

DSCP type from the menu or enter a DSCP value to match. If you select Other, enter 
a custom value in the DSCP Value field that displays.

•

IP Precedence

. Matches the packet’s IP Precedence value to the class criteria’s 

when Enter a value in the range of 0–7.

•

IP ToS

. Matches the packet’s Type of Service bits in the IP header to the class 

criteria’s when selected and a value is entered. In the ToS Bits field, enter a two-digit 
hexadecimal number to match the bits in a packet’s ToS field. In the ToS Mask field, 
specify the bit positions that are used for comparison against the IP ToS field in a 
packet.

3. 

Click the 

Apply

 button.

4. 

Click the 

Cancel

 button to cancel the configuration on the screen, and reset the data on the 

screen to the latest value of the switch.