Chapter 23 DHCP Snooping
GS1350 Series User’s Guide
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23.3.3 DHCP Snooping VLAN Port Configure
Use this screen to apply a different DHCP option 82 profile to certain ports in a VLAN. To open this screen,
click Advanced Application > DHCP Snooping > Configure > VLAN > Port.
Figure 139 Advanced Application > DHCP Snooping > Configure > VLAN > Port
The following table describes the labels in this screen.
VID This field displays the VLAN ID of each VLAN in the range specified above. If you configure
the * VLAN, the settings are applied to all VLANs.
Enabled Select Yes to enable DHCP snooping on the VLAN. You still have to enable DHCP snooping
on the Switch and specify trusted ports.
Note: If DHCP is enabled and there are no trusted ports, DHCP requests will not
succeed.
Option 82 Profile Select a pre-defined DHCP option 82 profile that the Switch applies to all ports in the
specified VLANs. The Switch adds the information (such as slot number, port number, VLAN
ID and/or system name) specified in the profile to DHCP requests that it broadcasts to the
DHCP VLAN, if specified, or VLAN. You can specify the DHCP VLAN in the DHCP Snooping
Configure screen (see Section 23.3 on page 188).
Apply Click Apply to save your changes to the Switch’s run-time memory. The Switch loses these
changes if it is turned off or loses power, so use the Save link on the top navigation panel to
save your changes to the non-volatile memory when you are done configuring.
Cancel Click this to reset the values in this screen to their last-saved values.
Change Pages Click Previous or Next to show the previous/next screen if all status information cannot be
seen in one screen.
Table 85 Advanced Application > DHCP Snooping > Configure > VLAN (continued)
LABEL DESCRIPTION
Table 86 Advanced Application > DHCP Snooping > Configure > VLAN > Port
LABEL DESCRIPTION
VID Enter the ID number of the VLAN you want to configure here.
Port Enter the number of ports to which you want to apply the specified DHCP option 82 profile.
You can enter multiple ports separated by (no space) comma (,) or hyphen (–). For
example, enter “3–5” for ports 3, 4, and 5. Enter “3,5,7” for ports 3, 5, and 7.
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