Zyxel-communications 802.11g Wireless ADSL2+ 4-port VoIP IAD P-2602HWNL Manuale Utente Scaricare il pdf (Pagina 274)

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P-2602HWNLI User’s Guide

274 Chapter 19 Bandwidth Management

Figure 144 Subnet-based Bandwidth Management Example

19.4 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.

19.5 Scheduler

The scheduler divides up an interface’s bandwidth among the bandwidth classes. The ZyXEL

Device has two types of scheduler: fairness-based and priority-based.

19.5.1 Priority-based Scheduler

With the priority-based scheduler, the ZyXEL Device forwards traffic from bandwidth classes

according to the priorities that you assign to the bandwidth classes. The larger a bandwidth

class’s priority number is, the higher the priority. Assign real-time applications (like those

using audio or video) a higher priority number to provide smoother operation.

19.5.2 Fairness-based Scheduler

The ZyXEL Device divides bandwidth equally among bandwidth classes when using the

fairness-based scheduler; thus preventing one bandwidth class from using all of the interface’s

bandwidth.

Table 102 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

1 2 ... 269 270 271 272 273 274 275 276 277 278 279 ... 441 442

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