ZyXEL Communications MES3500-24, User Manual

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Chapter 26 IP Source Guard
MES3500-24/24F User’s Guide
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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 settings for the ARP inspection log.
To open this screen, click Advanced Application > IP Source Guard > ARP Inspection >
Configure.
Figure 121
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
Section 26.7.2 on page 232 .
Time This field displays when the log message was generated.
Table 83
ARP Inspection Log Status (continued)
LABEL DESCRIPTION