Oracle tnsping slow

Hi experts,
I've  Oracle running on windows server 2003 64-bit but when I tried to ping the listener with tnsping it is quite long time to give a responce. The network seems ok, below the response times client side and server side:

C:\>tnsping ORCL_PROD 5
TNS Ping Utility for 32-bit Windows: Version - Production on 03-APR-2015 10:45:24
Copyright (c) 1997, 2005, Oracle.  All rights reserved.
Used parameter files:
Used TNSNAMES adapter to resolve the alias
OK (3140 msec)
OK (2150 msec)
OK (540 msec)
OK (850 msec)
OK (2100 msec)

C:\>tnsping ORCL_PROD 5
OK (0 msec)
OK (10 msec)
OK (10 msec)
OK (0 msec)
OK (0 msec)

What may be the problem?
What Can I check?

Thanks in advance!
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Guy Hengel [angelIII / a3]Billing EngineerCommented:
I would presume issues on the network card on the client itself...
what about some network ping (not tnsping), is it also slow? even when specifying a certain packet size?
slightwv (䄆 Netminder) Commented:
I would also do a tracert to see if one of the hops has issues:

Check the network cables.
ralph_reaAuthor Commented:
Tracing route to ORCL []
over a maximum of 30 hops:

  1    33 ms    31 ms    33 ms
  2    75 ms   392 ms    60 ms
  3   365 ms    37 ms    45 ms  ORCL []

Tracing route to ORCL []
over a maximum of 30 hops:

  1    <1 ms    <1 ms    <1 ms  ORCL []

Trace complete.

Any idea??
slightwv (䄆 Netminder) Commented:
What about the normal ping suggested above?


Don't need server side numbers.

Seems to have issues between the client and

Are other clients on the same subnet having similar issues?
If so, the issue is in the shared network somewhere.
If not, the issue is in the non-shared parts of the network:  switch port, client cable, client NIC, client configuration.

Start troubleshooting 101:
1: change the network cable on the client, test.
2: If possible, change the NIC in the client machine, test.
3: change the port on the closest switch, test.

Keep swimming upstream until you find out where the problem is.

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