Operation Manual - Network Protocol
Quidway S3500 Series Ethernet Switches Chapter 2 ARP Configuration
Huawei Technologies Proprietary
2-3
Perform the following configuration in VLAN interface view.
Table 2-2 Configure ARP timed probing function
Operation Command
Configure IP addresses requiring ARP
timed probing
arp probe ip ip-address
Remove the IP addresses requiring ARP
timed probing
undo arp probe ip [ ip-address ]
Configure a probing interval
arp timer probe time
Restore the default ARP probing interval
undo arp timer probe
By default, no IP addresses requiring ARP timed probing, and the probing interval is set
to five seconds.
In S3500 Series Ethernet Switches, only S3526/S3526 FM/S3526 FS supports this
configuration.
2.2.3 Configure the Dynamic ARP Aging Timer
For purpose of flexible configuration, the system provides the following commands to
assign dynamic ARP aging period. When the system learns a dynamic ARP entry, its
aging period is based on the current value configured.
Perform the following configuration in system view.
Table 2-3 Configure the dynamic ARP aging timer
Operation Command
Configure the dynamic ARP aging timer
arp timer aging aging-time
restore the default dynamic ARP aging time
undo arp timer aging
By default, the aging time of dynamic ARP aging timer is 20 minutes.
2.2.4 Configure ARP Source Address Suppression
ARP Source Address Suppression allows the Ethernet switch to suppress malicious
ARP requests from the host. If a host of a certain source IP address sends a large
amount of different ARP requests during a 5-second interval, the system will discard
the ARP requests that exceed the limit. After the interval, the switch will come back to
process the ARP request from this source IP address.
Perform the following configuration in the system view.
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