Utilities and Diagnostics 10-3

Status: The current status of the Ping test. This item can display the status messages shown in the able below:

Message

Description

 

 

 

 

Resolving host name

Finding the IP address for the domain name-style address

 

 

Can’t resolve host name

IP address can’t be found for the domain name–style address

 

 

Pinging

Ping test is in progress

 

 

Complete

Ping test was completed

 

 

Cancelled by user

Ping test was cancelled manually

 

 

Destination unreachable from

Ping test was able to reach the gateway with IP address w.x.y.z,

w.x.y.z

which reported that the test could not reach the final

 

destination

 

 

Couldn’t allocate packet buffer

Couldn’t proceed with Ping test; try again or reset system

 

 

Couldn’t open ICMP port

Couldn’t proceed with Ping test; try again or reset system

 

 

Packets Out: The number of packets sent by the Ping test.

Packets In: The number of return packets received from the target host. To be considered on time, return packets are expected back before the next packet in the sequence of Ping packets is sent. A count of the number of late packets appears in parentheses to the right of the Packets In count.

In the example that follows, a Router is sending Ping packets to another host, which responds with return Ping packets. Note that the second return Ping packet is considered to be late because it is not received by the Router before the third Ping packet is sent. The first and third return Ping packets are on time.

time

send Ping packet 1

Netopia

receive Ping packet 1

send return Ping packet 1

Netopia receive return Ping packet 1

send Ping packet 2

Netopia

 

 

receive Ping packet 2

 

 

send Ping packet 3

send return Ping packet 2

 

 

 

 

 

 

Netopia

 

 

receive return Ping packet 2

 

 

Netopia

 

 

receive Ping packet 3

 

 

 

 

send return Ping packet 3

Netopia

receive return Ping packet 3

 

 

 

 

host

host

host

host

host

host

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Image 261
Netopia 3300-ENT manual Receive return Ping packet