ZyXEL Communications XGS-4728F - Manual (Page 240)

Chapter 26 IP Source Guard
XGS-4728F User’s Guide
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Successful transfers This field displays the number of times the Switch read bindings
from or updated the bindings in the DHCP snooping database
successfully.
Failed transfers This field displays the number of times the Switch was unable to
read bindings from or update the bindings in the DHCP snooping
database.
Successful reads This field displays the number of times the Switch read bindings
from the DHCP snooping database successfully.
Failed reads This field displays the number of times the Switch was unable to
read bindings from the DHCP snooping database.
Successful writes This field displays the number of times the Switch updated the
bindings in the DHCP snooping database successfully.
Failed writes This field displays the number of times the Switch was unable to
update the bindings in the DHCP snooping database.
Database detail
First successful
access
This field displays the first time the Switch accessed the DHCP
snooping database for any reason.
Last ignored bindings
counters This section displays the number of times and the reasons the
Switch ignored bindings the last time it read bindings from the
DHCP binding database. You can clear these counters by
restarting the Switch or using CLI commands. See the Ethernet
Switch CLI Reference Guide.
Binding collisions This field displays the number of bindings the Switch ignored
because the Switch already had a binding with the same MAC
address and VLAN ID.
Invalid interfaces This field displays the number of bindings the Switch ignored
because the port number was a trusted interface or does not
exist anymore.
Parse failures This field displays the number of bindings the Switch ignored
because the Switch was unable to understand the binding in the
DHCP binding database.
Expired leases This field displays the number of bindings the Switch ignored
because the lease time had already expired.
Unsupported vlans This field displays the number of bindings the Switch ignored
because the VLAN ID does not exist anymore.
Last ignored time This field displays the last time the Switch ignored any bindings
for any reason from the DHCP binding database.
Total ignored bindings
counters This section displays the reasons the Switch has ignored bindings
any time it read bindings from the DHCP binding database. You
can clear these counters by restarting the Switch or using CLI
commands. See the Ethernet Switch CLI Reference Guide.
Binding collisions This field displays the number of bindings the Switch has ignored
because the Switch already had a binding with the same MAC
address and VLAN ID.
Invalid interfaces This field displays the number of bindings the Switch has ignored
because the port number was a trusted interface or does not
exist anymore.
Table 78 DHCP Snooping (continued)
LABEL DESCRIPTION