Basic IP Configuration
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Example
This example displays all entries in the ARP cache.
ping
This command sends ICMP echo request packets to another node on the network.
Syntax
ping host [count count][size size]
• host - IP address or IP alias of the host.
• count - Number of packets to send. (Range: 1-16, default: 5)
• size - Number of bytes in a packet. (Range: 32-512, default: 32)
The actual packet size will be eight bytes larger than the size specified
because the router adds header information.
Default Setting
This command has no default for the host.
Command Mode
Normal Exec, Privileged Exec
Command Usage
• Use the ping command to see if another site on the network can be reached.
• The following are some results of the ping command:
- Normal response - The normal response occurs in one to ten seconds,
depending on network traffic.
- Destination does not respond - If the host does not respond, a “timeout”
appears in ten seconds.
- Destination unreachable - The gateway for this destination indicates that
the destination is unreachable.
- Network or host unreachable - The gateway found no corresponding entry
in the route table.
• Press <Esc> to stop pinging.
Console#show arp
IP Address MAC Address Type Interface
--------------- ----------------- --------- -----------
192.168.0.1 00-0f-3d-12-40-e1 dynamic 1
192.168.0.110 00-10-b5-62-03-74 dynamic 1
192.168.0.162 00-12-cf-0c-9a-a0 other 1
Total entry : 3
Console#
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