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DGS-1510 Series Gigabit Ethernet SmartPro Switch CLI Reference Guide
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Default
For DAI untrusted interfaces, the rate limit is 15 packets per second with a burst interval of 1 second.
For DAI trusted interfaces, the rate has no limit.
Command Mode
Interface Configuration Mode.
Command Default Level
Level: 12.
Usage Guideline
This command takes effect for both trusted and un-trusted interfaces. When the rate of the ARP
packet per second exceeds the limitation and the condition sustained for the configured burst duration,
the port will be put in the error disable state.
Example
This example shows how to limit the rate of the incoming ARP requests to 30 packets per second and
to set the interface monitoring interval to 5 consecutive seconds.
Switch# configure terminal
Switch(config)# interface eth3/0/10
Switch(config-if)# ip arp inspection limit rate 30 burst interval 5
Switch(config-if)#
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ip arp inspection log-buffer
This command is used to configure the ARP inspection log buffer parameter.
ip arp inspection log-buffer entries NUMBER
no ip arp inspection log-buffer entries
Parameters
NUMBER
Default
By default, this value is 32.
Command Mode
Global Configuration Mode.
Command Default Level
Level: 12.
Usage Guideline
Use the command to configure the maximum entry number of the log buffer. The ARP inspection log
buffer keeps tracks the information of ARP packet. The first packet that is given by check will be sent
to syslog module and recorded in the inspection log buffer. The subsequent packets belonging to the
same session will not be sent to log module unless its record in the log buffer is cleared. If the log
buffer is full but more logging events, the event will not be logged. If the user specifies a buffer size
less than the current entry number, then the log buffer will be automatically cleared.
Specifies that there is no limit on the ARP packet rate.
(Optional) Specifies the buffer entry number. The maximum number
is 1024.
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