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724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
Page 177
LGB5028A User‘s Manual
Chapter 7: Security
7.2.3 Dynamic Table
The section describes how to configure the switch’s dynamic ARP inspection table parameters. The dynamic ARP inspection table
contains up to 1024 entries, and is sorted first by port, then by VLAN ID, then by MAC address, and then by IP address.
Web Interface
To configure a dynamic ARP inspection table configuration in the Web interface:
1. Specify the “Start from port,” “VLAN ID,” “MAC Address,” and “IP Address” entries per page.
2. Check the box next to “Auto-refresh.”
Figure 7-6. The Dynamic ARP Inspection Table.
Parameter Description
Port: Switch port number for which the entries are displayed.
VLAN ID: VLAN-ID in which the ARP traffic is permitted.
MAC Address: User MAC address of the entry.
IP Address: User IP address of the entry.
Auto-refresh: Click on this button to refresh the information automatically.
Upper right icon (Refresh, <<, >> ): Click on the “Refresh” button to refresh the dynamic ARP inspection table manually. Click
on the other buttons to go to the previous/next page or entries.
7.3 DHCP Snooping
The section describes how to configure the switch’s DHCP snooping parameters. DHCP snooping can prevent attackers from
adding their own DHCP servers to the network.
7.3.1 Configuration
This section describes how to configure DHCP snooping setting including:
Snooping Mode (enabled and disabled)
Port Mode Configuration (trusted, untrusted)
Web Interface
To configure DHCP snooping in the Web interface:
1. Select “Enabled” in the DHCP snooping configuration mode.
2. Select “Trusted” for the specific port in the port configuration mode.
3. Click “Save.”