Dell X1000 Series User Manual page 308

FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Dell Astute\User
Guide\Dell_Astute_Network_Admin_DHCP_Snooping&Relay.fm
6 Enter the IP address of the DHCP server in the DHCP Server IP Address
field.
Option 82
The relay agent information option (Option 82) in the DHCP protocol
enables a DHCP relay agent to send additional client information when
requesting an IP address. Option 82 specifies the relaying switch's MAC
address, the port identifier, and the VLAN that forwarded the packet.
Both DHCP snooping and DHCP relay can insert option 82 into traversing
packets.
DHCP snooping with option 82 insertion provides transparent Layer 2 relay
agent functionality when the DHCP server is on the same VLAN as the
clients.
To enable Option 82 insertion:
1 Click Network Administration > DHCP Snooping and Relay > DHCP
Relay > Option 82.
2 Click Edit.
3 Enable/disable Option 82 insertion.
Interface Settings
NOTE:
For DHCP Relay to function on an interface, it also must be activated
globally in the
To enable DHCP relay on a port, LAG, or VLAN:
1 Click Network Administration > DHCP Snooping and Relay > DHCP
Relay > Interface Settings.
The currently-define DHCP interfaces are displayed.
2 To enable DHCP relay on an interface, click Edit, Add.
3 Select the Interface Type.
4 Select the interface on which DHCP Relay is enabled.
D E L L C O N F I D E N T I A L – P R E L I M I N A R Y 8 / 9 / 1 6 - F O R P R O O F O N L Y
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Network Administration: DHCP Snooping and DHCP Relay
Global Settings page.