H3C Technologies H3C S3100 Series Switches - Manual (Page 375)

Operation Manual – ARP
H3C S3100-52P Ethernet Switch Chapter 1 ARP Configuration
1-8
1.3 Gratuitous ARP Packet Configuration
1.3.1 Configuring Sending of Gratuitous ARP Packets
Sending of gratuitous ARP packets is enabled as long as an S3100-52P switch
operates. And no command is needed for this function.
1.3.2 Configuring the Gratuitous ARP packet Learning Function
Table 1-8 lists the operations to configure the gratuitous ARP packet learning function.
Table 1-8
Configure the gratuitous ARP packet learning function
Operation Command Description
Enter system view
system-view
—
Enable the gratuitous
ARP packet learning
function
gratuitous-arp-learning
enable
Required
By default, the gratuitous
ARP packet learning
function is enabled.
1.4 Displaying and Debugging ARP
After the above configuration, you can execute the display command in any view to
display the running of the ARP configuration, and to verify the effect of the
configuration.
You can execute the reset command in user view to clear ARP mapping entries.
Table 1-9
Display and debug ARP
Operation Command Description
Display specific ARP
mapping table entries
display arp
[ static | dynamic |
ip-address
]
Display the ARP mapping
entries related to a
specified string in a
specified way
display arp
[ dynamic | static |
ip-address
] | { begin | include |
exclude
} text
Display the number of the
ARP mapping entries of a
specified type
display arp count
[ [ dynamic |
static
] [ | { begin | include |
exclude
} text ] | ip-address ]
Display the setting of the
ARP aging timer
display arp timer aging
These commands
can be executed
in any view.
Clear specific ARP
mapping entries
reset
arp [ dynamic | static |
interface interface-type
interface-number
]
Execute this
command in user
view.