Zhone 6219-X1 User's Guide download pdf (Page 44)

Advanced Setup

44 6218-I2 Wireless Router User’s Guide 6218-A2-ZB23-10

Add Function – ATM PVC Configuration

If you want to add a new rule for the WAN interface, click on the Add button.

The ATM PVC Configuration screen appears. The ATM PVC Configuration

screen allows you to configure an ATM PVC identifier (VPI and VCI) and

select a service category.

Figure 32: ATM PVC Configuration Screen

Verify the following values with your ISP before you change them.

z VPI (Virtual Path Identifier) – The valid range is 0 to 255.

z VCI (Virtual Channel Identifier) – The valid range is 32 to 65535.

z Service Category – Five classes of traffic defined are defined:

— UBR Without PCR (Unspecified Bit Rate without Peak Cell Rate)

— UBR With PCR (Unspecified Bit Rate with Peak Cell Rate) – UBR

service is suitable for applications that can tolerate variable delays

and some cell loss, such as data transfer, messaging, distribution, and

retrieval, and remote terminal applications such as telecommuting.

— CBR (Constant Bit Rate) – Used by applications that require a fixed

data rate that is continuously available during the connection time. It

is commonly used for uncompressed audio and video information

such as videoconferencing, interactive audio (telephony), and audio

and video distribution and retrieval.

— Non-Realtime VBR (Non-Real-time Variable Bit Rate) – Can be used

for data transfers that have critical response-time requirements such

as airline reservations, banking transactions, and process monitoring.

— Realtime VBR (Real-time Variable Bit Rate) – Used for

time-sensitive applications such as real-time video. Rt-VBR service

allows the network more flexibility than CBR.

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Zhone 6219-X1 User's Guide Page 44