Dhcp Snooping Vlan Setting - Planet Networking & Communication igs-801m User Manual

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 DHCP Snooping

4.9.7.3 DHCP Snooping VLAN Setting

Command Usage
When DHCP snooping is enabled globally on the switch, and enabled on the specified VLAN, DHCP packet filtering will be
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performed on any untrusted ports within the VLAN.
When the DHCP snooping is globally disabled, DHCP snooping can still be configured for specific VLANs, but the changes
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will not take effect until DHCP snooping is globally re-enabled.
When DHCP snooping is globally enabled, and DHCP snooping is then disabled on a VLAN, all dynamic bindings learned for
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this VLAN are removed from the binding table.
The DHCP Snooping VLAN Setting screens in
Description
Indicates the DHCP snooping mode operation. Possible modes are:
 Enabled: Enable DHCP snooping mode operation.
When enable DHCP snooping mode operation, the request
DHCP messages will be forwarded to trusted ports and only
allowed reply packets from trusted ports.
 Disabled: Disable DHCP snooping mode operation.
Figure 4-9-34 DHCP Snooping Information Page Screenshot
Description
Display the current DHCP snooping status
Figure 4-9-35 & Figure 4-9-36 appear.
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User's Manual of IGS-801M