ELTEX TAU-8.IP - Page 34

34 VoIP Subscriber Gateways
When 'DHCP' type is selected, the following parameters will be available for editing:
- Alternative Vendor ID (Option 60) – when selected, the device transmits Vendor ID
(Option 60) in Option 60 DHCP messages (Vendor class ID). If the field is empty, Option
60 will not be transmitted in DHCP messages.
If the Alternative Vendor ID (Option 60) checkbox is not selected, the default value will be
transmitted in Option 60 in the following format:
[VENDOR:vendor][DEVICE:device type][HW:hardware version] [SN:serial
number][WAN:WAN interface МАС address][LAN:LAN interface MAC
address][VERSION:firmware version]
Example:
[VENDOR:Eltex][DEVICE:TAU-8.IP][HW:1.6][SN:VI33007740]
[WAN:A8:F9:4B:09:31:B0][LAN:02:20:80:a8:f9:4b][VERSION:#current Firmware version]
- DHCP Relay Agent information (Option 82) – when selected, you can add to DHCP
request the following data:
Agent circuit ID – allows you to add suboption 1 - Agent Circuit ID;
Agent Remote ID (Suboption 2) – allows adding option 82 to the DHCP request.
- Get DNS-Servers Automatically – when checked, DNS-server address (from DHCP-option
6) will be gotten automatically from DHCP-server (this flag can be set only in several
services);
- IGMP Uplink – option is available only for TAU-8.IP-W devices – when checked, multicast
traffic will be received from WAN interface of the service. Option can be included only in
one service. Option can be included only in one service. WAN interface of the service,
for which IGMP Uplink flag is set, will be used for IPTV signal reception;
- MTU – maximum size of data block transmitted by network (for Ethernet protocol MTU
is 1500). This field is optional. Default value: 1500 The field is active only when the
bridge mode is disabled.
PPPoE – operation mode, at which PPP-session is established on WAN-interface via PPPoE
protocol.