9. DHCP Snooping
253
clear ip dhcp snooping binding
Clears the DHCP snooping binding database. This command clears only the entries that have been
registered dynamically.
Syntax
clear ip dhcp snooping binding [[ip]
<ip address>
] [mac
<mac address>
]
[vlan
<vlan id>
]
[interface
<interface type>
<interface number>
]
Input mode
User mode and administrator mode
Parameters
[ip]
<ip address>
Clears the binding database for the specified IP address.
mac
<mac address>
Clears the binding database for the specified MAC address.
vlan
<vlan id>
Clears the binding database for the specified VLAN interface.
For
<vlan id>
, specify the VLAN ID set by the
ip
dhcp snooping
vlan
configuration
command.
interface
<interface type>
<interface number>
Clears the binding database for the specified interface.
For
<interface type>
<interface number>
, the following values can be set:
•
gigabitethernet
<nif no.>
/
<port no.>
•
tengigabitethernet
<nif no.>
/
<port no.>
•
port-channel
<channel group number>
For details about the valid setting range of
<nif no.>
/
<port no.>
and
<channel group
number>
, see
Specifiable values for parameters
.
Operation when a parameter is omitted
This command can clear only the entries that meet the conditions specified by the parameter.
If no parameters are specified, the entries are cleared without being limited by any conditions.
If multiple parameters are specified, the entries conforming to the conditions will be cleared.
Operation when all parameters are omitted:
Clears all the dynamically registered entries.
Example
The following figure shows an example of clearing all the dynamically registered entries.
Figure 9-2:
Result of executing the command for clearing the binding database for DHCP
snooping
> clear ip dhcp snooping binding
>
Summary of Contents for AX6300S series
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