ZyXEL MGS-3712F User Guide - Page 246
DHCP Snooping Con
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Chapter 26 IP Source Guard Table 76 DHCP Snooping (continued) LABEL DESCRIPTION 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. 26.5 DHCP Snooping Configure Use this screen to enable DHCP snooping on the Switch (not on specific VLAN), specify the VLAN where the default DHCP server is located, and configure the DHCP snooping database. The DHCP snooping database stores the current bindings on a secure, external TFTP server so that they are still available after a restart. To open this screen, click Advanced Application > IP Source Guard > DHCP Snooping > Configure. Figure 127 DHCP Snooping Configure 246 MGS-3712/MGS-3712F User's Guide