Dell PowerConnect M6220 User's Guide - Page 404
DHCP Snooping Static Bindings Configuration, Switching, Snooping, Static Bindings Configuration
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If the absolute lease time of the snooping database entry expires, then that entry will be removed. You should take care of the system time to be consistent across the reboots. Otherwise, the snooping entries will not expire properly. If a host sends a DHCP release while the switch is rebooting then, when the switch receives the DHCP discovery or request, the client's binding will go to the tentative binding as shown in the following figure. Figure 7-115. States of Client Binding DISCOVER, REQUEST Tentative Binding No Binding DECLINE, NACK DISCOVER ACK RELEASE, NACK Complete Binding To access the DHCP Snooping Static Bindings Configuration page, click Switching > DHCP Snooping > Static Bindings Configuration in the navigation tree. Figure 7-116. DHCP Snooping Static Bindings Configuration The DHCP Snooping Static Bindings Configuration page contains the following fields: • Interface - Select the interface to add a binding into the DHCP snooping database. 402 Configuring Switching Information