Run the ipaddress dhcp command to obtain an IP address through DHCP. (A
DHCP server is required.) For example,
TERMINAL(config)#ipaddress dhcp
PPPoE mode:
A PPPoE server is required. The user name and password must be the same as
those on the PPPoE server. The command format is as follows:
− Run the pppoe usernameuser-namepasswordpassword command to set the
PPPoE user name and password.
− Run the ipaddress pppoe command to obtain an IP address through PPPoE.
− Run display pppoe to view the configuration of pppoe on the IAD.
For example,
TERMINAL(config)#ipaddress pppoe
TERMINAL(config)#pppoe username iad password ******
To view the IAD IP address, run the display ipaddress command.
When the DHCP or PPPoE mode is used, the IAD may take about eight minutes to
restart if the IAD cannot obtain the IP address in DHCP or PPPoE mode. Verify that the
DHCP or PPPoE server is available and the server information is correct.
Changing the IP address may disconnect the Telnet connection. Then, you should
establish the Telnet connection by using a new IP address.
Step 4 (Optional) Configure the DNS.
If the DNS server is available on the network, you can configure the DNS server on the
IAD so that the IAD can access other devices according to domain names.
1. Set the IP address of the DNS server
The command is dns serverip-address. For example:
TERMINAL(config)#dns server 191.168.10.50
2. (Optional) set a domain name suffix
The IAD automatically adds the domain name suffix to a domain name. The
command is dns domain-namedomain-name. For example, run the following
command to set the domain suffix to tele.com:
TERMINAL(config)#dns domain-name tele.com
In this case, if the domain name of the SIP server is set to softco, the IAD sends
softco.tele.com to the DNS server to obtain the IP address of the SIP server.
Run the display dns command to view the DNS status.
Step 5 Configure the SIP server.
Run the sip serverindexaddressip-address command to configure the IP address of the
SIP server.
TERMINAL(config)#sip server 0 address 192.169.1.40
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