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5 bandwidth management priorities – ZyXEL Communications NBG-318S User Manual

Page 150

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Chapter 15 Bandwidth Management

NBG-318S User’s Guide

150

The following figure shows LAN subnets. You could configure one bandwidth class for
subnet A and another for subnet B.

Figure 78 Subnet-based Bandwidth Management Example

15.4 Application and Subnet-based Bandwidth Management

You could also create bandwidth classes based on a combination of a subnet and an
application. The following example table shows bandwidth allocations for application specific
traffic from separate LAN subnets.

Table 55 Application and Subnet-based Bandwidth Management Example

TRAFFIC TYPE

FROM SUBNET A

FROM SUBNET B

VoIP

64 Kbps

64 Kbps

Web

64 Kbps

64 Kbps

FTP

64 Kbps

64 Kbps

E-mail

64 Kbps

64 Kbps

Video

64 Kbps

64 Kbps

15.5 Bandwidth Management Priorities

The following table describes the priorities that you can apply to traffic that the NBG-318S
forwards out through an interface.

Table 56 Bandwidth Management Priorities

PRIORITY LEVELS: TRAFFIC WITH A HIGHER PRIORITY GETS THROUGH FASTER WHILE

TRAFFIC WITH A LOWER PRIORITY IS DROPPED IF THE NETWORK IS CONGESTED.

High

Typically used for voice traffic or video that is especially sensitive to jitter (jitter

is the variations in delay).