Chapter 35 BWM (Bandwidth Management)
ZyWALL USG Series User’s Guide
681
35.2.1 The Bandwidth Management Add/Edit Screen
The C
onfiguration > Bandwidth Management Add/Edit
screen allows you to create a new condition or
edit an existing one.
802.1P Marking
Use 802.1P to prioritize outgoing traffic from a VLAN interface. The
Priority Code
is a 3-bit field within a
802.1Q VLAN tag that’s used to prioritize associated outgoing VLAN traffic. "0" is the lowest priority level
and "7" is the highest.
The following table is a guide to types of traffic for the priority code.
To access this screen, go to the C
onfiguration > Bandwidth Management
screen (see
), and click either the
Add
icon or an
Edit
icon.
Figure 487
Configuration > Bandwidth Management > Edit (For the Default Policy)
Table 242 Single Tagged 802.1Q Frame Format
DA
SA
TPID
Priority
VID
Len/Etype
Data
FCS
IEEE 802.1Q customer
tagged frame
Table 243 802.1Q Frame
DA
Destination Address
Priority
802.1p Priority
SA
Source Address
Len/Etype
Length and type of Ethernet frame
TPID
Tag Protocol IDentifier
Data
Frame data
VID
VLAN ID
FCS
Frame Check Sequence
Table 244 Priority Code and Types of Traffic
PRIORITY
TRAFFIC TYPES
0 (lowest)
Background
1
Best Effort
2
Excellent Effort
3
Critical Applications
4
Video, less than 100 ms latency and jitter
5
Voice, less than 10 ms latency and jitter
6
Internetwork Control
7 (highest)
Network Control
Summary of Contents for USG110
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