Chapter 27 IP Source Guard
OLT2406 User’s Guide
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Figure 138 Advanced Application > IP Source Guard > DHCP Snooping > Configure > VLAN
The following table describes the labels in this screen.
27.6 ARP Inspection Status
Use this screen to look at the current list of MAC address filters that were created because the OLT
identified an unauthorized ARP packet. When the OLT identifies an unauthorized ARP packet, it
automatically creates a MAC address filter to show the source MAC address and source VLAN ID of the
unauthorized ARP packet currently. To open this screen, click Advanced Application > IP Source Guard
> ARP Inspection.
Table 86 Advanced Application > IP Source Guard > DHCP Snooping > Configure > VLAN
LABEL DESCRIPTION
Show VLAN Use this section to specify the VLANs you want to manage in the section below.
Start VID Enter the lowest VLAN ID you want to manage in the section below.
End VID Enter the highest VLAN ID you want to manage in the section below.
Apply Click this to display the specified range of VLANs in the section below.
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 OLT and specify trusted ports.
Note: The OLT will drop all DHCP requests if you enable DHCP snooping and there
are no trusted ports.
Option 82 Select this to apply the DHCP option 82 profile to the specified port(s) in this VLAN.
Information Select this so the OLT will add 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.
Apply Click Apply to save your changes to the OLT’s run-time memory. The OLT 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.
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