Chapter 26 IP Source Guard

Table 82 ARP Inspection Log Status (continued)

LABEL

DESCRIPTION

Num Pkts

This field displays the number of ARP packets that were

 

consolidated into this log message. The Switch consolidates

 

identical log messages generated by ARP packets in the log

 

consolidation interval into one log message. You can configure

 

this interval in the ARP Inspection Configure screen. See

 

Section 26.7 on page 254.

 

 

Reason

This field displays the reason the log message was generated.

 

dhcp deny: An ARP packet was discarded because it violated a

 

dynamic binding with the same MAC address and VLAN ID.

 

static deny: An ARP packet was discarded because it violated a

 

static binding with the same MAC address and VLAN ID.

 

deny: An ARP packet was discarded because there were no

 

bindings with the same MAC address and VLAN ID.

 

dhcp permit: An ARP packet was forwarded because it matched

 

a dynamic binding.

 

static permit: An ARP packet was forwarded because it matched

 

a static binding.

 

In the ARP Inspection VLAN Configure screen, you can

 

configure the Switch to generate log messages when ARP packets

 

are discarded or forwarded based on the VLAN ID of the ARP

 

packet. See Section 26.7.2 on page 258.

 

 

Time

This field displays when the log message was generated.

 

 

26.7 ARP Inspection Configure

Use this screen to enable ARP inspection on the Switch. You can also configure the length of time the Switch stores records of discarded ARP packets and global

254

 

MGS-3712/MGS-3712F User’s Guide