Dhcp Relay Agent - Proxim AP-4000 User Manual

Performing Advanced Configuration
Network
You can configure and view the following parameters within the DHCP Server Configuration screen:
• Enable DHCP Server: Place a check mark in the box provided to enable DHCP Server functionality.
NOTE
You cannot enable the DHCP Server functionality unless there is at least one IP Pool Table Entry configured.
• Subnet Mask: This field is read-only and reports the Access Point's current subnet mask. DHCP clients that receive dynamic addresses
from the AP will be assigned this same subnet mask.
• Gateway IP Address: The AP will assign the specified address to its DHCP clients.
• Primary DNS IP Address: The AP will assign the specified address to its DHCP clients.
• Secondary DNS IP Address: The AP will assign the specified address to its DHCP clients.
• Number of IP Pool Table Entries: This is a read-only field that reports the number of entries in the IP Pool Table.
• IP Pool Table Entry: This entry specifies a range of IP addresses that the AP can assign to its wireless clients. Click Add to create a new
entry. Click Edit to change an existing entry. Each entry contains the following field:
– Start IP Address
– End IP Address
– Default Lease Time (optional): The default time value for clients to retain the assigned IP address. DHCP automatically renews IP
Addresses without client notification. This parameter supports a range between 0 and 86400 seconds. The default is 86400 seconds.
– Maximum Lease Time (optional): The maximum time value for clients to retain the assigned IP address. DHCP automatically
renews IP Addresses without client notification. This parameter supports a range between 0 and 86400 seconds. The default is
86400 seconds.
– Comment (optional)
– Status: IP Pools are enabled upon entry in the table. You can also disable or delete entries by changing this field's value.
NOTE
You must reboot the Access Point before changes to any of these DHCP server parameters take effect.

DHCP Relay Agent

When enabled, the DHCP relay agent forwards DHCP requests to the set DHCP server.
Click the Configure > Network > DHCP R A to configure DHCP relay agent servers and enable the DHCP relay agent.
NOTE
At least one DHCP server must be enabled before DHCP Relay Agent can be enabled.
The DHCP Relay functionality of the AP supports Option 82 and sends the system name of the AP (as a NAS identifier) as a sub-option of
Option 82.
The AP makes a DHCP Request for lease renewal five minutes ahead of the expiration of the Rebinding time as specified in the DHCP Offer
from the DHCP server obtained during the last renewal.
AP-4000 User Guide
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