13 - 122 WiNG 5.6 Access Point System Reference Guide
13.3.23.6 DHCP Snooping
Firewall
When DHCP servers are allocating IP addresses to clients on the LAN, DHCP snooping can be configured to better enforce the
security on the LAN to allow only clients with specific IP/MAC addresses.
1. Select the Statistics menu from the Web UI.
2. Select System from the navigation pane (on the left-hand side of the screen). Expand a RF Domain and select one of its
connected access points.
3. Select Firewall and expand the menu to reveal its sub menu items.
4. Select DHCP Snooping.
Figure 13-81 Access Point - Firewall DHCP Snooping screen
The DHCP Snooping screen displays the following:
Forward Dest Port Destination port for the forward NAT flow (contains ICMP ID if it is an ICMP flow).
Reverse Source IP Displays the source IP address for the reverse NAT flow.
Reverse Source Port Displays the source port for the reverse NAT flow (contains ICMP ID if it is an ICMP flow).
Reverse Dest IP Displays the destination IP address for the reverse NAT flow.
Reverse Dest Port Displays the destination port for the reverse NAT flow (contains ICMP ID if it is an ICMP flow).
Refresh Select the Refresh button to update the screen’s statistics counters to their latest values.
MAC Address Displays the MAC address of the client requesting DHCP resources from the controller or
service platform.
Node Type Displays the NetBios node from which IP addresses can be issued to client requests on this
interface.
IP Address Displays the IP address used for DHCP discovery, and requests between the DHCP server and
DHCP clients.
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