Configure Quality of Service
185
S350 Series 8-Port Gigabit Ethernet Smart Managed Pro Switch Models GS308T and GS310TP
• Destination L4 Port. Select this radio button to require a packet’s TCP/UDP
destination port to match the specified protocol. You can also select Other from the
menu and enter a port number from 0 to 65535.
• IP DSCP. Select this radio button to require the packet’
s IP DiffServ Code Point
(DSCP) value to match the specified IP DSCP keyword code, which you must select
from the menu. You can also select Other from the menu and enter an IP DSCP
value from 0 to 63. The DSCP value is defined as the high-order 6 bits of the Service
Type octet in the IP header.
• Precedence V
alue. Select this radio button to require the packet’s IP precedence
value to match the specified number from 0 to 7, which you must select from the
menu. The IP Precedence field in a packet is defined as the high-order 3 bits of the
Service Type octet in the IP header.
• IP T
oS. Select this radio button 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 8 bits of the service type octet in the IP header. After you select the radio button,
use the following fields to configure the ToS match criteria:
- Bits V
alue. Enter a two-digit hexadecimal number octet value in the range from 00
to ff to match the bits in a packet’s ToS field.
- Bit Mask. Specify the bit positions that are used for comparison against the IP
T
oS field in a packet.
10. Click the Apply button.
Your settings are saved.
The following table describes the nonconfigurable information displayed in the Class
Summary section at the bottom of the Dif
fServ Class Configuration page.
Table 42. DiffServ Class Configuration, Class Summary information
Field Description
Match Criteria The configured match criteria for the specified class.
Values The values of the configured match criteria.
Rename an Existing DiffServ Class
 To rename an existing DiffServ class:
1. Connect your computer to the same network as the switch.
You can use a WiFi or wired connection to connect your computer to the network, or
connect directly to a switch that is of
f-network using an Ethernet cable.
2. Launch a web browser.
3. In the address field of your web browser
, enter the IP address of the switch.
If you do not know the IP address of the switch, see Change the Default IP Address of the
Switch on page 11.
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