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Chapter 24 IP Source Guard
ES-3148 User’s Guide
207
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.
Parse failures This field displays the number of bindings the Switch has 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 has ignored because
the lease time had already expired.
Unsupported vlans This field displays the number of bindings the Switch has ignored because
the VLAN ID does not exist anymore.
Table 73 Advanced Application > IP Source Guard > DHCP Snooping (continued)
LABEL DESCRIPTION