Configuration Guide IP Address and Service Configuration
Setting ARP Encapsulations
Setting ARP Timeout
Configuring ARP Statically
The ARP offers dynamic IP address to MAC address mapping. It is not
necessary to configure ARP statically in most cases. By configuring ARP
Sstatically, Ruijie product can respond to the ARP request from other IP
addresses.
To configure static ARP, execute the following command in the global
configuration mode:
Ruijie(config)# arp ip-address mac-address
arp-type
Define static ARP. Only arpa type is
supported for arp-type.
Ruijie(config)# no arp ip-address
Setting ARP Encapsulations
So far Ruijie products only support Ethernet II type ARP encapsulations, also
known as ARPA keyword.
ARP Timeout Setting
ARP timeout takes effect for only the dynamically learned IP address to MAC
address mapping. The shorter the timeout, the truer the mapping table saved in
the ARP cache is , but the more network bandwidth the ARP occupies. Hence
the advantages and disadvantages should be weighted. Generally it is not
necessary to configure the ARP timeout time unless there is a special
requirement.
To configure ARP timeout time, execute the following command in the interface
configuration mode:
Ruijie(config-if)# arp timeout seconds
Configure the ARP timeout time in the
range from 0 to 2147483, with 0 not
being aged.
Ruijie(config-if)# no arp timeout
Remove the configuration.
By default, timeout time is 3600 seconds, that is, 1 hour.
Disabling IP Routing
IP routing feature is enabled by default. Do not execute this command unless
you sure that IP routing is not needed. Disabling IP routing will make the
equipment lose all the routes and the route forwarding function.
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