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DES-3200 Series Layer 2 Managed Fast Ethernet Switch CLI Reference Guide
311
When set to disabled, the broadcast DHCP packet received by the specified port will not be
forwarded. This setting is effective when DHCP Snooping is enabled, in this case DHCP
packets trapped by the CPU must be forwarded by the software. This setting controls the
forwarding behavior in this situation.
enable - Specify that the forward DHCP packets option will be enabled.
disable - Specify that the forward DHCP packets option will be disabled.
stop_learning_threshold - (Optional) When the number of blocked entries exceeds the
threshold, the port will stop learning new addresses. Packets with a new address will be
dropped.
<int 0-500> - Enter the stop learning threshold value here. This value must be between 0 and
500.
Restrictions
Only Administrator, Operator and Power-User level users can issue this command.
Example
To enable IMPB on port 1:
DES-3200-28/ME:admin#config address_binding ip_mac ports 1 arp_inspection
strict
Command: config address_binding ip_mac ports 1 arp_inspection strict
Success.
DES-3200-28/ME:admin#
31-3 delete address_binding blocked
Description
This command is used to delete a blocked entry.
Format
delete address_binding blocked [all | vlan_name <vlan_name> mac_address <macaddr>]
Parameters
all - Specify that all the entries the address database that the system has automatically blocked
to be deleted.
vlan_name - Specify the name of the VLAN to which the blocked MAC address belongs.
<vlan_name> - Enter the VLAN name.
mac_address - Specify the MAC address of the entry or the blocked MAC address.
<macaddr> - Enter the MAC address used.
Restrictions
Only Administrator, Operator and Power-User level users can issue this command.
Example
To delete a blocked address: