Use the following procedure to configure the DHCP relay parameters on a VLAN.
From the navigation pane, double-click VLAN.
In the VLAN tree, click VLANs.
In the Basic tab, select the VLAN for which DHCP relay is to be configured.
In the toolbar, click IP.
In the work area, click the DHCP tab.
Configure the parameters as required.
On the toolbar, click Apply.
On the toolbar, you can click Refresh to verify the VLAN DHCP configuration.
The following table describes the fields of the DHCP tab.
Field | Description |
---|---|
Enable | Specifies whether DHCP relay is enabled or disabled. |
MinSec | Specifies the min-sec value. The switch immediately forwards a BootP/DHCP packet if the 'secs' field in the BootP/DHCP packet header is greater than the configured min-sec value; otherwise, the packet is dropped. |
Mode | Specifies the type of packets this VLAN interface forwards: BootP, DHCP, or both. |
AlwaysBroadcast | Specifies whether DHCP Reply packets are broadcast to the DHCP clients on this VLAN interface. |
Option82Enabled | Enables or disables option 82. |
ClearCounters | Specifies to clear the DHCP relay counters for the VLAN. |
CounterClearTime | Specifies the last time the counter values in this entry were reset to 0. |