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| Chapter 24 IP Source Guard | |
| Table 71 DHCP Snooping (continued) | ||
| LABEL | DESCRIPTION |
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| Successful writes | This field displays the number of times the Switch updated the bindings in |
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| the DHCP snooping database successfully. |
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| Failed writes | This field displays the number of times the Switch was unable to update |
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| the bindings in the DHCP snooping database. |
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| Database detail |
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| First successful access | This field displays the first time the Switch accessed the DHCP snooping |
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| database for any reason. |
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| Last ignored bindings | This section displays the number of times and the reasons the Switch |
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| counters | ignored bindings the last time it read bindings from the DHCP binding |
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| database. You can clear these counters by restarting the Switch or using |
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| CLI commands. See Chapter 45 on page 331. |
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| Binding collisions | This field displays the number of bindings the Switch ignored because the |
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| Switch already had a binding with the same MAC address and VLAN ID. |
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| Invalid interfaces | This field displays the number of bindings the Switch ignored because the |
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| port number was a trusted interface or does not exist anymore. |
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| Parse failures | This field displays the number of bindings the Switch ignored because the |
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| Switch was unable to understand the binding in the DHCP binding |
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| database. |
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| Expired leases | This field displays the number of bindings the Switch ignored because the |
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| lease time had already expired. |
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| Unsupported vlans | This field displays the number of bindings the Switch ignored because the |
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| VLAN ID does not exist anymore. |
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| Last ignored time | This field displays the last time the Switch ignored any bindings for any |
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| reason from the DHCP binding database. |
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| Total ignored bindings | This section displays the reasons the Switch has ignored bindings any time |
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| counters | it read bindings from the DHCP binding database. You can clear these |
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| counters by restarting the Switch or using CLI commands. See Chapter 45 |
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| |
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| Binding collisions | This field displays the number of bindings the Switch has ignored because |
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| the Switch already had a binding with the same MAC address and VLAN |
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| ID. |
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| Invalid interfaces | This field displays the number of bindings the Switch has ignored because |
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| the port number was a trusted interface or does not exist anymore. |
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| Parse failures | This field displays the number of bindings the Switch has ignored because |
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| the Switch was unable to understand the binding in the DHCP binding |
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| database. |
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| Expired leases | This field displays the number of bindings the Switch has ignored because |
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| the lease time had already expired. |
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| Unsupported vlans | This field displays the number of bindings the Switch has ignored because |
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| the VLAN ID does not exist anymore. |
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| 211 |
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