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3com S7906E Manuel De Montage

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To do… 
Use the command… 
Remarks 
Enter DHCP address pool view 
dhcp server ip-pool 
pool-name [ extended ] 
— 
Specify gateways 
gateway-list 
ip-address&<1-8> 
Required 
No gateway is specified by 
default. 
 
Configuring Option 184 Parameters for the Client with Voice Service 
To assign voice calling parameters along with an IP address to DHCP clients with voice service, you 
need to configure Option 184 on the DHCP server. For information about Option 184, refer to 
.  
If Option 55 in the request from a DHCP client contains Option 184, the DHCP server will return 
parameters specified in Option 184 to the client. The client then can initiate a call using parameters in 
Option 184. 
Follow these steps to configure option 184 parameters in the DHCP address pool: 
To do… 
Use the command… 
Remarks 
Enter system view 
system-view 
— 
Enter DHCP address pool view 
dhcp server ip-pool 
pool-name [ extended ] 
— 
Specify the IP address of the 
primary network calling processor 
voice-config ncp-ip 
ip-address 
Required 
Not specified by default. 
Specify the IP address of the 
backup network calling processor 
voice-config as-ip 
ip-address 
Optional 
Not specified by default. 
Configure the voice VLAN 
voice-config voice-vlan 
vlan-id { disable | enable } 
Optional 
Not configured by default. 
Specify the failover IP address and 
dialer string 
voice-config fail-over 
ip-address dialer-string 
Optional 
No failover IP address or dialer 
string is specified by default. 
 
 
Specify an IP address for the network calling processor before performing other configurations. 
 
Configuring the TFTP Server and Bootfile Name for the Client 
This task is to specify the IP address and name of a TFTP server and the bootfile name in the DHCP 
address pool. The DHCP clients use these parameters to contact the TFTP server, requesting the 
configuration file used for system initialization, which is called auto-configuration. The request process 
of the client is described below: 
1)  When a router starts up without loading any configuration file, the system sets an active interface 
(such as the interface of the default VLAN or a Layer 3 Ethernet interface) as the DHCP client to