Chapter 27
| IP Interface Commands
IPv4 Interface
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Example
Console#traceroute 192.168.0.1
Press "ESC" to abort.
Traceroute to 192.168.0.99, 30 hops max, timeout is 3 seconds
Hop Packet 1 Packet 2 Packet 3 IP Address
--- -------- -------- -------- ---------------
1 20 ms <10 ms <10 ms 192.168.0.99
Trace completed.
Console#
ping
This command sends (IPv4) ICMP echo request packets to another node on the
network.
Syntax
ping
host [
count
count] [
size
size]
host - IP address or alias of the host.
count - Number of packets to send. (Range: 1-16)
size - Number of bytes in a packet. (Range: 32-512)
The actual packet size will be eight bytes larger than the size specified
because the switch adds header information.
Default Setting
count: 5
size: 32 bytes
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.