ZyXEL Communications XGS-4526 User Manual

 Chapter 26 IP Source Guard

XGS-4526/4528F/4728F User’s Guide

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 
settings for the ARP inspection log. To open this screen, click Advanced 
Application > IP Source Guard > ARP Inspection > Configure.

Figure 126   ARP Inspection Configure

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 

Time

This field displays when the log message was generated.

Table 85   ARP Inspection Log Status (continued)