Specifications

TD 92326GB
2009-03-10 / Ver. E
Installation and Operation Manual
VoIP Gateway
34
Note: Options supplied via DHCP always overwrite any parameters defined in the VoIP
Gateway configuration.
7.1 DHCP – Select Mode
It is recommended to use ETH0 in DHCP client mode and to do this a DHCP server is
needed in the network. Ask your network administrator to reserve a fixed IP address
for the VoIP Gateway via DHCP. Tell your administrator the hardware address of the
VoIP Gateway, see chapter 2.7 The MAC Address on page 6.
1 Select ETHX > DHCP.
Figure 30. DHCP mode
2 Enable/Enter following settings:
DHCP # DHCP name Overwritten
configuration
parameters
Description
001 Subnet mask IP address mask The registered network mask is used.
002 Time offset Offset to UTC Time difference to Universal Time, in
seconds.
003 Routers Default Gateway The first entry in the list of registered
routers will be used as the standard IP-
gateway.
006 Domain name
servers
DNS server address The first two entries from the list of
registered DNS servers are used as DNS
servers.
042 NTP servers SNTP server IP
address
The first entry, from the list of registered
NTP servers, is used as the NTP server.
Figure 30.
Field name Description
Client settings
•Selected
Server only
The server will issue leases to reserved clients and to clients with
Vendor class identifier = 1.3.6.1.4.1.6666 only
• Wait for
selected
Server:
The number of seconds the client will wait for a lease from the
vendor DHCP server (that is, until a lease is received that has a
vendor option 250 with proper value).
•Server
Identifier
The server will send this string as DHCP vendor option 250 to the
client.
Server settings
• Probe Address before dynamic Assignment.
• Reserved and
same Vendor
Clients Only
The client will wait for a lease from the vendor DHCP server
forever.