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4.2.13 DHCP Configuration
This section introduces how to configure DHCP option82 configuration. The XDL-2420R is going to insert specific option82
information into a DHCP discover packet when a DHCP request goes through the XDL-2420R and forwards to DHCP server.
The DHCP option82 message will be removed when IP address is allocated and is transferred to DHCP client. Please note that
DHCP server also needs to support DHCP option82 feature and user has to set up DHCP option 82 policies to DHCP server to
allocate IP address according to the option82 policy. The screen in
The page includes the following fields:
Object
DHCP Option 82 Service
DHCP Option82 Circuit ID
Button
: Save configuration.
: Click to undo any changes made locally and revert to previously saved values.
: Click to reset IP address to default setting.
Input Variance
Characters
${Line}
${VPI}
${VCI}
Figure 4-2-16: DHCP Configuration Page Screenshot
Description
Allows user to enable or disable DHCP Option82 service.
It specifies unique ID to distinguish which devices that traffic comes from.
Combination format: string- ${Line}:${Vid} (refer to Table 4-2-2). Acceptable signs
include: "/",",",": ","\" and so on. Default: Null
Description
String
Line
VPI
VCI
Figure 4-2-16
appears.
Length: 255 characters
Display Channel (1~N)
0~4095
1~65535
- 42 -
Remarks
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