Installation manual

3-125
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Configuring Static Binding for IP Source Guard
Use the IP Source Guard Static Configuration page to bind a static address to a port.
Table entries include a MAC address, IP address, lease time, entry type (Static,
Dynamic), VLAN identifier, and port identifier. All static entries are configured with an
infinite lease time, which is indicated with a value of zero in the table.
Command Usage
• Static addresses entered in the source guard binding table are automatically configured
with an infinite lease time. Dynamic entries learned via DHCP snooping are configured
by the DHCP server itself, of which static entries include a manually configured lease
time.
• Static bindings are processed as follows:
- If there is no entry with the same VLAN ID and MAC address, a new entry is added
to the binding table using the type “static IP source guard binding.”
- If there is an entry with the same VLAN ID and MAC address, and the type of entry is
static IP source guard binding, then the new entry will replace the old one.
- If there is an entry with the same VLAN ID and MAC address, and the type of the entry
is dynamic DHCP snooping binding, then the new entry will replace the old one and
the entry type will be changed to static IP source guard binding.
Command Attributes
• Static Binding Table Counts – The total number of static entries in the table.
• Current Static Binding Table – The list of current static entries in the table.
• Port – The port to which a static entry is bound. (Range: 1-28)
• VLAN ID – ID of a configured VLAN (Range: 1-4094)
• MAC Address – A valid unicast MAC address.
• IP Address – A valid unicast IP address, including classful types A, B or C.