Chapter 25 IP Source Guard

Table 73 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 25.9 on page 236.

 

 

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 25.9.2 on page 240.

 

 

Time

This field displays when the log message was generated.

 

 

25.9 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

236

 

GS2200-24 User’s Guide