ZyXEL Communications PLA-400 V2 - V3.0.5 Guía de usuario descargar pdf (Pagina 265)

ZyAIR Wireless Gateway Series User’s Guide

NAT 23-17

2. Port 7070 is a “trigger” port and causes the ZyAIR to record Jane’s computer IP address. The ZyAIR

associates Jane's computer IP address with the "incoming" port range of 6970-7170.

3. The Real Audio server responds using a port number ranging between 6970-7170.

4. The ZyAIR forwards the traffic to Jane’s computer IP address.

5. Only Jane can connect to the Real Audio server until the connection is closed or times out. The

ZyAIR times out in three minutes with UDP (User Datagram Protocol) or two hours with TCP/IP

(Transfer Control Protocol/Internet Protocol).

Two Points To Remember About Trigger Ports

1. Trigger events only happen on outgoing data (from the ZyAIR to the WAN).

2. Only one LAN computer can use a trigger port (range) at a time.

Enter 3 in menu 15 to display Menu 15.3 — Trigger Port Setup, shown next.

Figure 23-21 Menu 15.3 Trigger Port Setup

The table below describes the fields for configuration in this menu.

Table 23-6 Menu 15.3 Trigger Port Setup

FIELD DESCRIPTION EXAMPLE

Rule This is the rule index number. 1

Name Enter a unique name for identification purposes. You may enter up to 15

characters in this field. All characters are permitted - including spaces.

Real Audio

Menu 15.3 - Trigger Port Setup

Incoming Trigger

Rule Name Start Port End Port Start Port End Port

----------------------------------------------------------------------

1. 0 0 0 0

2. 0 0 0 0

3. 0 0 0 0

4. 0 0 0 0

5. 0 0 0 0

6. 0 0 0 0

7. 0 0 0 0

8. 0 0 0 0

9. 0 0 0 0

10. 0 0 0 0

11. 0 0 0 0

12. 0 0 0 0

Press ENTER to Confirm or ESC to Cancel:

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ZyXEL Communications PLA-400 V2 - V3.0.5 Guía de usuario Pagina 265