- Target must have Server service running to establish session.
- NT target must have licenses available to establish a session. A server overcommitted on its licenses can respond to ping but not a session oriented protocol.
- Net commands require port 139 to be enabled on routers.
- ping send small packets (74 bytes). A router may be misconfigured to only
support small packets. Use ping to test packet sizes normally used by Net
command:
ping target -l 1012
ping target -l 2024
ping target -l 3036
ping target -l 4048 - Verify that target is not hung. Ping has been know to generate responses on hung systems.
C:\WINNT>ping /?
Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS]
[-r count] [-s count] [[-j host-list] | [-k host-list]]
[-w timeout] destination-list
Options:
-t Ping the specified host until stopped.
To see statistics and continue - type Control-Break;
To stop - type Control-C.
-a Resolve addresses to hostnames.
-n count Number of echo requests to send.
-l size Send buffer size.
-f Set Don't Fragment flag in packet.
-i TTL Time To Live.
-v TOS Type Of Service.
-r count Record route for count hops.
-s count Timestamp for count hops.
-j host-list Loose source route along host-list.
-k host-list Strict source route along host-list.
-w timeout Timeout in milliseconds to wait for each reply.
