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Specifying a server for DHCP clients
Some DHCP clients need to obtain configuration information from a server, such as a TFTP server.
You can specify the IP address of that server. The DHCP server sends the server's IP address to
DHCP clients along with other configuration information.
To specify the IP address of a server:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter DHCP address pool
view.
dhcp server ip-pool pool-name
By default, no DHCP address
pool exists.
3.
Specify the IP address of a
server.
next-server ip-address
By default, no server is specified.
Configuring Option 184 parameters for DHCP clients
To assign calling parameters to DHCP clients with voice service, you must configure Option 184 on
the DHCP server. For more information about Option 184, see "
To configure option 184 parameters in a DHCP address pool:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter DHCP address pool view.
dhcp server ip-pool pool-name
By default, no DHCP
address pool exists.
3.
Specify the IP address of the
primary network calling
processor.
voice-config ncp-ip
ip-address
By default, no primary
network calling processor is
specified.
After you configure this
command, the other Option
184 parameters take effect.
4.
(Optional.) Specify the IP address
for the backup server.
voice-config as-ip ip-address
By default, no backup
network calling processor is
specified.
5.
(Optional.) Configure the voice
VLAN.
voice-config voice-vlan
vlan-id
{
disable
|
enable
}
By default, no voice VLAN is
configured.
6.
(Optional.) Specify the failover IP
address and dialer string.
voice-config fail-over
ip-address
dialer-string
By default, no failover IP
address or dialer string is
specified.
Customizing DHCP options
IMPORTANT:
Use caution when customizing DHCP options because the configuration might affect DHCP
operation.
DHCP option customization applications
You can customize options for the following purposes:
