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View
DHCP address pool view
Parameters
ncp-ip ip-address: Specifies the IP address of the primary network calling processor.
as-ip ip-address: Specifies the IP address of the backup network calling processor.
voice-vlan vlan-id: Specifies the voice VLAN ID, in the range of 2 to 4094.
z disable: Disables the specified VLAN, meaning DHCP clients will not take this VLAN as their voice
VLAN.
z enable: Enables the specified VLAN, meaning DHCP clients will take this VLAN as their voice
VLAN.
fail-over ip-address dialer-string: Specifies the failover IP address and dialer string. The dialer-string is
a string of 0 to 39 characters, which can be 0 to 9, and “*”.
Description
Use the voice-config command to configure Option 184 and its sub-options in the global address pool.
Use the undo voice-config command to remove Option 184 and its sub-options from the global
address pool.
The DHCP server answers Option 184 and the corresponding sub-options only after the DHCP client
requests Option 184.
By default, a DHCP server global address pool does not assign Option 184 and the corresponding
sub-options to the client.
Related commands: dhcp server voice-config.
Examples
# Enter system view
<Sysname> system-view
System View: return to User View with Ctrl+Z.
# Enable the DHCP server to support Option 184 in global address pool 123. The NCP IP address is
1.1.1.1 and the IP address of the alternate server is 2.2.2.2. The voice VLAN is enabled, with the ID
being 3. The fail-over IP address is 3.3.3.3 and the dialer string is 99*.
[Sysname] dhcp select global all
[Sysname] dhcp server ip-pool 123
[Sysname-dhcp-pool-123] voice-config ncp-ip 1.1.1.1
[Sysname-dhcp-pool-123] voice-config as-ip 2.2.2.2
[Sysname-dhcp-pool-123] voice-config voice-vlan 3 enable
[Sysname-dhcp-pool-123] voice-config fail-over 3.3.3.3 99*
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