Huawei Quidway S6500 Series Operation Manual page 100

Operation Manual - Network Protocol
Quidway S6500 Series Ethernet Switches
2.2.2 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 2-2 Configure the dynamic ARP aging timer
Configure the dynamic ARP aging timer
restore the default dynamic ARP aging time
By default, the aging time of dynamic ARP aging timer is 20 minutes.
2.2.3 Enable/Disable ARP the Checking Function of ARP Entry
You can use the following command to control the device whether to learn the ARP
entry where the MAC address is multicast MAC address.
Perform the following configuration in system view.
Table 2-3 Enable/Disable ARP the checking function of ARP entry
Enable the checking function of ARP entry,
that is, the device does not learn the ARP
entry where the MAC address is multicast
MAC address
Disable the checking function of ARP entry,
that is, the device learns the ARP entry where
the MAC address is multicast MAC address
By default, the checking function of ARP entry is enabled, that is, the device does not
learn the ARP entry where the MAC address is multicast MAC address.
2.3 Gratuitous ARP Configuration
2.3.1 Gratuitous ARP Overview
Gratuitous ARP function is to implement the following functions by sending out
gratuitous ARP packets:
By sending gratuitous ARP packets, network devices can figure out whether the IP
addresses of other devices conflict with that of its own.
Operation
Operation
Huawei Technologies Proprietary
2-3
Chapter 2 ARP Configuration
Command
arp timer aging aging-time
undo arp timer aging
Command
arp check enable
undo arp check enable