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IP interface configuration task list 127
SmartWare Software Configuration Guide 10 • IP interface configuration
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Context: router
Name: wan
IP Address: 172.17.100.210 255.255.255.0
MTU: 1500
ICMP router-discovery: enabled
ICMP redirect: send only
State: CLOSED
Binding: ethernet 0 0 1/ethernet/ip
…
Displaying dynamic ARP entries
The following command can be used to display the dynamically learned ARP entries on an IP interface or on
the entire system.
Flushing dynamic ARP entries
The following command can be used to flush the dynamically learned ARP entries on an IP interface or on the
entire system.
Processing gratuitous ARP requests
The following command can be used to accept and process gratuitous ARP requests and replies. ARP requests
and replies in which the target protocol address and sender protocol address are the same are considered.
Because of security reasons, this feature is deactivated as default and must be enabled by the user.
Mode: configure
Testing connections with the ping command
As an aid to diagnosing basic network connectivity, many network protocols support an echo protocol. The
protocol involves sending a special datagram to the destination host, then waiting for a reply datagram from
that host. Results from this echo protocol can help in evaluating the path-to-host reliability, delays over the
path, and whether the host can be accessed or is functioning.
Step Command Purpose
1 [name]#show arp [<ip-if-name>] Display the ARP entries for the specified or all IP interfaces.
Step Command Purpose
1 [name]#arp flush[<ip-if-name>] Flushes the ARP entries for the specified or all IP interfaces.
Step Command Purpose
1 [name](cfg)#[no] arp gratuitous Enables or disables the processing of gratuitous arp requests
and replies.