Black Box LGB1148A Manual Do Utilizador

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Page 173

Chapter 4: Security

4.3.2 Statistics

This section describes how to display the DHCP snooping port statistics. The statistics show only packet counters when DHCP
snooping mode is enabled and relay mode is disabled. They don’t count the DHCP packets for a DHCP client.

Web Interface

To configure DHCP Snooping Statistics in the Web interface:

1. Specify the Port which you want to monitor.

2. Check “Auto-refresh”.

Figure 4-8. DHCP Snooping Port Statistics screen.

Parameter Description

• Rx and Tx Discover: The number of discover (option 53 with value 1) packets received and transmitted.

• Rx and Tx Offer: The number of offer (option 53 with value 2) packets received and transmitted.

• Rx and Tx Request: The number of request (option 53 with value 3) packets received and transmitted.

• Rx and Tx Decline: The number of decline (option 53 with value 4) packets received and transmitted.

• Rx and Tx ACK: The number of ACK (option 53 with value 5) packets received and transmitted.

• Rx and Tx NAK: The number of NAK (option 53 with value 6) packets received and transmitted.

• Rx and Tx Release: The number of release (option 53 with value 7) packets received and transmitted.

• Rx and Tx Inform: The number of inform (option 53 with value 8) packets received and transmitted.

• Rx and Tx Lease Query: The number of lease query (option 53 with value 10) packets received and transmitted.

• Rx and Tx Lease Unassigned: The number of lease unassigned (option 53 with value 11) packets received and transmitted.

• Rx and Tx Lease Unknown: The number of lease unknown (option 53 with value 12) packets received and transmitted.

• Rx and Tx Lease Active: The number of lease active (option 53 with value 13) packets received and transmitted.

• Auto-refresh: Check the auto-refresh box to set the unit to refresh information automatically.

• Icons, upper right (Refresh, Clear): Click to refresh DHCP Snooping Port Statistics manually. Press “clear“ to clear all new

entries.

LGB1108A