ZyXEL Communications MES3500 Series, Руководство пользователя

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Chapter 36 Differentiated Services
MES3500 Series User’s Guide
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36.4 DSCP-to-IEEE 802.1p Priority Settings
You can configure the DSCP to IEEE 802.1p mapping to allow the Switch to prioritize all traffic
based on the incoming DSCP value according to the DiffServ to IEEE 802.1p mapping table.
The following table shows the default DSCP-to-IEEE802.1p mapping.
36.4.1 Configuring DSCP Settings
To change the DSCP-IEEE 802.1p mapping click the DSCP Setting link in the DiffServ screen to
display the screen as shown next.
Figure 171
IP Application > DiffServ > DSCP Setting
The following table describes the labels in this screen.
Red This field displays the DSCP value to use for packets with high packet loss priority in this
profile.
Delete Profile Select the profile(s) that you want to remove.
Delete Click Delete to remove the selected profile(s) from the summary table.
Cancel Click Cancel to clear the Delete check boxes.
Table 123
IP Application > DiffServ > 2-rate 3 Color Marker > DSCP Profile (continued)
LABEL DESCRIPTION
Table 124
Default DSCP-IEEE 802.1p Mapping
DSCP VALUE 0 – 7 8 – 15 16 – 23 24 – 31 32 – 39 40 – 47 48 – 55 56 – 63
IEEE 802.1p 0 1 2 3 4 5 6 7
Table 125
IP Application > DiffServ > DSCP Setting
LABEL DESCRIPTION
0 … 63 This is the DSCP classification identification number.
To set the IEEE 802.1p priority mapping, select the priority level from the drop-down list box.
Apply Click Apply to save your changes to the Switch’s run-time memory. The Switch loses these
changes if it is turned off or loses power, so use the Save link on the top navigation panel to save
your changes to the non-volatile memory when you are done configuring.
Cancel Click Cancel to begin configuring this screen afresh.