Command Reference
ARP Commands
2.7 arp timeout
Use this command to configure the timeout for the ARP static mapping record in the ARP cache.
Use the
no
form of this command to restore the default setting.
arp timeout
seconds
no arp timeout
Parameter
Description
Parameter
Description
secondsv
The timeout is in the range from 0 to 2147483 in the unit of seconds.
Defaults
The default is 3600.
Command
Mode
Interface configuration mode/Global configuration mode
Usage Guide
The ARP timeout setting is only applicable to the IP address and the MAC address mapping that
are learned dynamically. The shorter the timeout, the truer the mapping table saved in the ARP
cache, but the more network bandwidth occupied by the ARP. Hence the advantages and
disadvantages should be weighted. Generally it is not necessary to configure the ARP timeout
unless there is a special requirement.
Configuration
Examples
The following example sets the timeout for the dynamic ARP mapping record that is learned
dynamically from FastEthernet port 0/1 to 120 seconds.
Ruijie(config)# interface fastEthernet
0/1
Ruijie(config-if)# arp timeout
120
Related
Commands
Command
Description
clear arp-cache
Clears the ARP cache list.
show interface
Displays the interface information.
Platform
Description
N/A
2.8 arp trusted
Use this command to set the maximum number of trusted ARP entries. Use the
no
form of this
command to restore the default setting.
arp trusted
number
no arp
trusted
Parameter
Description
Parameter
Description
number
Maximum number of trusted ARP entries.
Содержание RG-S29 Series
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