ZyXEL Communications VMG5313-B10A/ VMG5313-B30A User Manual

Chapter 10 Quality of Service (QoS)

VMG5313-B10A/-B30A Series User’s Guide

Click Network Setting > QoS > Queue Setup to open the screen as shown next. 

Use this screen to configure QoS queue assignment. 

Network Setting > QoS > Queue Setup 

LAN Managed 
Downstream 
Bandwidth 

Enter the amount of downstream bandwidth for the LAN interfaces (including WLAN) that 
you want to allocate using QoS. 

The recommendation is to set this speed to match the WAN interfaces’ actual transmission 
speed. For example, set the LAN managed downstream bandwidth to 100000 kbps if you 
use a 100 Mbps wired Ethernet WAN connection.        

You can also set this number lower than the WAN interfaces’ actual transmission speed. This 
will cause the VMG to not use some of the interfaces’ available bandwidth.

If you leave this field blank, the VMG automatically sets this to the LAN interfaces’ maximum 
supported connection speed.

Upstream 
traffic priority 
Assigned by

Select how the VMG assigns priorities to various upstream traffic flows.

•

None: Disables auto priority mapping and has the VMG put packets into the queues 

according to your classification rules. Traffic which does not match any of the 

classification rules is mapped into the default queue with the lowest priority.

•

Ethernet Priority: Automatically assign priority based on the IEEE 802.1p priority level.

•

IP Precedence: Automatically assign priority based on the first three bits of the TOS 

field in the IP header.

•

Packet Length: Automatically assign priority based on the packet size. Smaller packets 

get higher priority since control, signaling, VoIP, internet gaming, or other real-time 

packets are usually small while larger packets are usually best effort data packets like 

file transfers.

Apply

Click Apply to save your changes.

Cancel

Click Cancel to restore your previously saved settings.

Network Setting > QoS > General (continued) (continued)