Configuration Example - 3Com 5500-SI Configuration Manual

142 C 10: DHCP S
HAPTER

Configuration Example

C
ERVER ONFIGURATION
Configuring the option 184 supporting function in global DHCP address pool
view
Table 131 Configure the option 184 supporting function in global DHCP address pool view
Operation
Enter system view
Configure the interface to
operate in DHCP server mode
and assign the IP addresses of
an interface-based address
pool to DHCP clients
Enter DHCP address pool view dhcp server ip pool
Configure an IP address range
IP addresses in which are
dynamically assigned
Configure the NCP-IP
sub-option
Configure the AS-IP
sub-option
Configure the voice VLAN
configuration sub-option
Configure the Fail-over
routing sub-option
Perform the operations listed in Table 131 if you specify to assign IP addresses of a
global DHCP address pool to DHCP clients.
Network requirements
A 3COM VCX device operating as a DHCP client requests the DHCP server for all
sub-options of option 184. A S5500 series switch operates as the DHCP server. The
option 184 supporting function is configured for a global DHCP address pool. The
sub-options of option 184 are as follows:
NCP-IP: 3.3.3.3
■
AS-IP: 2.2.2.2
■
Voice VLAN: enabled
■
Voice VLAN ID: 1
■
Fail-over routing IP: 1.1.1.1
■
Dialer string: 99*
■
Command Description
system-view -
dhcp select global [ Required
subaddress ] { all |
interface
interface-type
interface-number [
to interface-type
interface-number ] }
-
pool-name
network ip-address -
[ mask netmask ]
voice-config ncp-ip Required
ip-address
voice-config as-ip Optional
ip-address You can configure this sub-option only after
you configure the NCP-IP sub-option.
voice-config Optional
voice-vlan vlan-id { You can configure this sub-option only after
enable | disable } you configure the NCP-IP sub-option.
voice-config fail-over Optional
ip-address You can configure this sub-option only after
dialer-string you configure the NCP-IP sub-option.