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Chapter 26 IP Source Guard
MGS3700-12C User’s Guide
279
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 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 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 83 DHCP Snooping (continued)
LABEL DESCRIPTION