PING REPLY TIME VARIES INSIDE LAN

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   HI 

when i ping any system inside my LAN network i get reply time delay.

time=4ms
time=16ms
time=55ms
Request time out
time=1ms
time=48ms
time=80ms
time=64ms

i dont know for what reason i get this time variation in LAN, due to this i was not able to file transfer, even a 5MB exe file takes more than 30 min to move. most of time it breaks and need to retransfer again.

I want to know what all the things i need to check to find whats the real problem in my LAN network.
My main switchs are 2 48port nortel and i have sub 3-4 16port D-Link switch. 
All CAT5 cables.

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v2chinnu Members Profile Send Private Message Find Members Posts Add to Buddy List Light Poster Joined: 15 Sep 2009 Online Status: Offline Posts: 10	Post Options Post Reply Quote v2chinnu Report Post Quote Reply Topic: PING REPLY TIME VARIES INSIDE LAN Posted: 01 Feb 2010 at 2:11pm
	HI when i ping any system inside my LAN network i get reply time delay. time=4ms time=16ms time=55ms Request time out time=1ms time=48ms time=80ms time=64ms i dont know for what reason i get this time variation in LAN, due to this i was not able to file transfer, even a 5MB exe file takes more than 30 min to move. most of time it breaks and need to retransfer again. I want to know what all the things i need to check to find whats the real problem in my LAN network. My main switchs are 2 48port nortel and i have sub 3-4 16port D-Link switch. All CAT5 cables.

Admin Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Forum Administrator Root Administrator Joined: 23 Jun 2009 Location: Qatar Online Status: Offline Posts: 714	Post Options Post Reply Quote Admin Report Post Quote Reply Posted: 02 Feb 2010 at 8:48am
	Those D-link switches are manageable or non-manageable? Unmanaged switches have no configuration defined. There are sold for home and small businesses. Whereas in managed switches, VLAN and proper routing can be defined for better performance of the network.

v2chinnu Members Profile Send Private Message Find Members Posts Add to Buddy List Light Poster Joined: 15 Sep 2009 Online Status: Offline Posts: 10	Post Options Post Reply Quote v2chinnu Report Post Quote Reply Posted: 03 Feb 2010 at 10:35am
	D-Link switch are non-manageable one.. and now i feel the internet is also but slow.. my dout is on any network threat going around my network..? cause now all my system are facing same kind of problem.

Admin Members Profile Send Private Message Find Members Posts Visit Members Homepage Add to Buddy List Forum Administrator Root Administrator Joined: 23 Jun 2009 Location: Qatar Online Status: Offline Posts: 714	Post Options Post Reply Quote Admin Report Post Quote Reply Posted: 04 Feb 2010 at 9:50am
	Virus might be causing the problem. Use WireShark tool to monitor your individual system traffic, in prior to this, check your firewall traffic log. I guess there might be some malicious traffic flowing in your network to contact remote bots.

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