ArtDio IPE 1000 用户手册

some settings do not need an adjustment on the NAT server, such as the SMC barricade

The master must have a public IP address

Only one slave device with a private IP address may be installed on each NAT domain. This

means that cascading to increase the density of channels by using private IP addresses is not

supported

Some In-bound/Out-bound address translation rules may time out on a NAT server. In this

instance, users may need to restart the voice gateway.

Management Interfaces under NAT

Since the device works with private IP addresses, users cannot access the management interfaces (Web or

Telnet) from the Internet if they do not specify the redirection settings on the NAT server. Even if you are

able to specify redirection rules to redirect these (Web or Telnet) requests to the voice gateway, some of the

well known ports (such as TCP port 80 for Web, TCP port 23 for Telnet and TCP port 21 for FTP) will already

be occupied by public servers that are using private IP addresses. In this instance , you will need to change

the port numbers to gain access to the voice gateway as well as to maintain public access to internal

servers. You will then need to change the service port numbers for Web and Telnet on the voice gateway.

The commands are as follows (you can only use Telnet or Console to modify the service port information):

1. Show the current service port information

PBX Gateway>enable

PBX Gateway#show service_port

FTP Service Port: 21

Telnet Service Port: 23

Web Service Port: 80

PBX Gateway#

2. Modify the service port

PBX Gateway#config

Enter configuration commands, one per line. End with CTRL/Z

PBX Gateway(config)#service port

PBX Gateway(config)#service_port ?

ftp Set ftp service port number

telnet Set telnet service port number

web Set web service port number

PBX Gateway(config)#service_port web <new port number i.e.88>