User's Manual

Table Of Contents
Users Manual of SGS-5240 Series Managed Switch
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4.7.11.2 VLAN Configuration
Security > IPv4 DHCP Snooping > VLAN Configuration page is used to enable or disable DHCP snooping on specific VLANs.
VLAN ID of a configured VLAN. (Range: 1-4093)
DHCP Snooping Status Enables or disables DHCP snooping for the selected VLAN. When DHCP snooping is enabled
globally on the switch, and enabled on the specified VLAN, DHCP packet filtering will be performed on any untrusted ports
within the VLAN. (Default: Disabled)
4.7.11.3 Interface Configuration
Security > IPv4 DHCP Snooping > Interface Configuration page is used to configure switch ports as trusted or un-trusted.
Trust Status Enables or disables a port as trusted. (Default: Disabled)
Circuit ID Specifies DHCP Option 82 circuit ID suboption information.
Mode Specifies the default string “VLAN-Unit-Port” or an arbitrary string. (Default: VLAN-Unit-Port)
Value An arbitrary string inserted into the circuit identifier field. (Range: 1-32 characters)