ZyXEL Communications ONU-2024 Series, User Manual

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Chapter 21 IP Source Guard
ONU User’s Guide
164
21.4.1 ARP Inspection Log Status
Use this screen to look at log messages that were generated by ARP packets and that have not
been sent to the syslog server yet. To open this screen, click
Advanced Application > IP
Source Guard > ARP Inspection > Log Status .
Figure 83 ARP Inspection Log Status
The following table describes the labels in this screen.
Reason This field displays the reason the ARP packet was discarded.
MAC+VLAN : The MAC address and VLAN ID were not in the binding
table.
IP : The MAC address and VLAN ID were in the binding table, but the IP
address was not valid.
Port : The MAC address, VLAN ID, and IP address were in the binding
table, but the port number was not valid.
Delete Select this, and click Delete to remove the specified entry.
Delete Click this to remove the selected entries.
Cancel Click this to clear the Delete check boxes above.
Table 57 ARP Inspection Status (continued)
LABEL DESCRIPTION
Table 58 ARP Inspection Log Status
LABEL DESCRIPTION
Clearing log status table Click Apply to remove all the log messages that were generated by ARP
packets and that have not been sent to the syslog server yet.
Total number of logs This field displays the number of log messages that were generated by
ARP packets and that have not been sent to the syslog server yet. If one or
more log messages are dropped due to unavailable buffer, there is an
entry called
overflow with the current number of dropped log messages.
Index This field displays a sequential number for each log message.
Port This field displays the source port of the ARP packet.
VID This field displays the source VLAN ID of the ARP packet.
Sender MAC This field displays the source MAC address of the ARP packet.
Sender IP This field displays the source IP address of the ARP packet.
Num Pkts This field displays the number of ARP packets that were consolidated into
this log message. The ONU 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 21.5 on page 165 .