H3C S7500 Series Ethernet Switches Operation Manual

Operation Manual – ARP
H3C S7500 Series Ethernet Switches Chapter 1
ARP Configuration
1-8
1.2.3 Configuring the Maximum Number of ARP Entries that Can Be Learnt
Follow these steps to configure the maximum number of ARP entries that can be learnt
on a port:
To do… Use the command… Remarks
Enter system view
system-view
—
Configure the total
maximum number of ARP
entries
arp max-entry number
Optional
It is 8192 by default.
Enter port view
interface interface-type
interface-number
—
Configure the maximum
number of dynamic ARP
entries that can be learnt
by the port
arp max-dynamic-entry
number
Optional
It is 2048 by default.
1.2.4 Configuring the Aging Time for Dynamic ARP Entries
Follow these steps to configure the aging time for dynamic ARP entries:
To do… Use the command… Remarks
Enter system view
system-view
—
Configure the aging time
for dynamic ARP entries
arp timer aging
aging-time
Optional
By default, this time is 20
minutes.
1.2.5 Configuring ARP Entry Checking
Follow these steps to enable ARP entry checking:
To do… Use the command… Remarks
Enter system view
system-view
—
Enable ARP entry checking
to disable the switch from
learning ARP entries with
multicast MAC addresses
arp check enable
Optional
By default, the function is
enabled and no multicast
MAC address ARP entry
will be learnt.
1.2.6 Configuring the Gratuitous ARP Update Interval
Follow these steps to configure the gratuitous ARP update interval: