Switch Port Setup Dscp; Switch Port Setup Dscp Screen - ZyXEL Communications MSC1024G Series User Manual

The following table describes the labels in this screen.
Table 254 Switch Port Setup: Broadcast
LABEL
Port
Broadcast
Multicast
Unknown Unicast
Apply
Cancel

15.16 Switch Port Setup DSCP

DSCP (Differentiated Services Code Point) is a field in the header of IP packets for packet
classification purposes. The QoS (Quality-of-Service) in the Device uses DSCP to provide
different level of services and priorities for downstream data transmission.
IEEE 802.1p lets the system transmit frames according to their 3-bit priority (0~7) in an IEEE
802.1q header. Frames with higher priority are served first. This system allows you to
overwrite the DSCP level of service with an IEEE 802.1p priority for downstream traffic.

15.16.1 Switch Port Setup DSCP Screen

Click Switch > Switch Port Setup > DSCP in the navigation panel to display the screen
shown next. Use this screen to map the DSCP code point of traffic received on the MSC's
front panel Gigabit Ethernet interfaces to another DSCP code point. You can also configure the
mapping between DSCP code points and IEEE 802.1p priorities for the Gigabit Ethernet
interfaces. Use the ACL > DSCP > Setup screen shown to configure the mapping between
DSCP code points and IEEE 802.1p priorities for subscribers (see
126).
MSC1000G/1024G/1224G Series User's Guide
DESCRIPTION
This is the label of a Gigabit Ethernet interface.
Select Enable to limit the number of broadcast packets the interface will accept
per second.
Type how many broadcast packets the interface should accept per second
(0~262143).
Select Enable to limit the number of multicast packets the interface will accept per
second.
Type how many multicast packets the interface should accept per second
(0~262143).
Select Enable to limit the number of unknown unicast packets the interface will
accept per second. Unknown unicast packets are also known as destination
lookup failure (DLF) packets.
Type how many unknown unicast packets the interface should accept per second
(0~262143).
Click Apply to save the changes in this screen to the system's volatile memory.
The system loses these changes if it is turned off or loses power, so use the
Config Save on the navigation panel and then the Save button to save your
changes to the non-volatile memory when you are done configuring.
Click Cancel to begin configuring this screen afresh.
Chapter 15 Switch Screens
Section 5.17.1 on page
495