ZyXEL Communications MES3500-24 Benutzerhandbuch

 Chapter 26 IP Source Guard

MES3500-24/24F 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.

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.

ARP Inspection Log Status (continued)