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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
1.
Enter system view.
2.
Enter DHCP address pool
view.
3.
Specify the IP address of a
server.
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
1.
Enter system view.
2.
Enter DHCP address pool view.
3.
Specify the IP address of the
primary network calling
processor.
4.
(Optional.) Specify the IP address
for the backup server.
5.
(Optional.) Configure the voice
VLAN.
6.
(Optional.) Specify the failover IP
address and dialer string.
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:
Command
system-view
dhcp server ip-pool pool-name
next-server ip-address
Command
system-view
dhcp server ip-pool pool-name
voice-config ncp-ip ip-address
voice-config as-ip ip-address
voice-config voice-vlan vlan-id
{ disable | enable }
voice-config fail-over ip-address
dialer-string
105
Remarks
N/A
By default, no DHCP address
pool exists.
By default, no server is specified.
"Option
184."
Remarks
N/A
By default, no DHCP
address pool exists.
By default, no primary
network calling processor is
specified.
After you configure this
command, the other Option
184 parameters take effect.
By default, no backup
network calling processor is
specified.
By default, no voice VLAN is
configured.
By default, no failover IP
address or dialer string is
specified.
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Troubleshooting
