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z Static ARP entries are valid as long as the Ethernet switch operates normally. But some operations,
such as removing a VLAN, or removing a port from a VLAN, will make the corresponding ARP
entries invalid and therefore removed automatically.
z As for the arp static command, the value of the vlan-id argument must be the ID of an existing
VLAN, and the port identified by the interface-type and interface-number arguments must belong to
the VLAN.
z Currently, static ARP entries cannot be configured on the ports of an aggregation group.
Related commands: reset arp, display arp.
Examples
# Create a static ARP mapping entry, with the IP address of 202.38.10.2, the MAC address of
000f-e20f-0000. The ARP mapping entry belongs to Ethernet 1/0/1 which belongs to VLAN 1.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] arp static 202.38.10.2 000f-e20f-0000 1 Ethernet 1/0/1
arp timer aging
Syntax
arp timer aging aging-time
undo arp timer aging
View
System view
Parameters
aging-time: Aging time (in minutes) of the dynamic ARP entries. This argument ranges from 1 to 1,440.
Description
Use the arp timer aging command to configure the aging time for dynamic ARP entries.
Use the undo arp timer aging command to restore the default.
By default, the aging time for dynamic ARP entries is 20 minutes.
Related commands: display arp timer aging.
Examples
# Configure the aging time to be 10 minutes for dynamic ARP entries.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] arp timer aging 10
display arp
Syntax
display arp [ dynamic | static | ip-address ]
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