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DBOY
25 pts.
 Network Testing, Slow ping
CAT6, Network testing, Network speed, Network cabling
Hello all,

I have just contacted a local firm to do a re-cabling to cat 6 for my company. But after the execrise. i decided to do a ping to see the time it take to ping.

1st i use a Cat6 and ping one of my server.  Below is the reply.

Reply from 192.168.x.x: bytes = 32 time = 57 TTL128

Reply from 192.168.x.x: bytes = 32 time = 35 TTL128

Reply from 192.168.x.x: bytes = 32 time = 35ms TTL128.

Later on I use the cat5 as  patch cable to connect to my pc and did a ping also. Below is the reply.

Reply from 192.168.x.x: bytes = 32 time = 1ms TTL128

Reply from 192.168.x.x: bytes = 32 time = 22ms TTL128

Can some one tell me what is the issue with the cabling. Because my network is very slow.



Software/Hardware used:
Cat6e
ASKED: Jun 10, 2010  12:41 AM GMT
UPDATED: June 19, 2010  7:51:59 AM GMT
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Mattmather
3,595 pts.
Answer Wiki:
Have you tested the cabling with a tester to ensure all pins are correct? Have you also confirmed speed and duplex settings? Half duplex will kill any sort of testing you are doing and with auto negotiation you might be only getting half duplex.
Last Wiki Answer Submitted:  Jun 17, 2010  1:04 PM (GMT)  by  Mattmather   3,595 pts.
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How busy is the network segment where you are pinging? In other words, how much traffic is the switch(es) handling? How busy is the end device you are pinging? Can you look on the switch ports and confirm that speed/duplex settings are correct? Speed/duplex mismatches are a significant cause of network delays.

Labnuke99
 32,405 pts.
 

The company that did the re-cabling would have tested, in-situ, each cable they made and gave you the test results (I hope). This will confirm the cable is working to minimum standards.

Problems with running new cables and then terminating them are down to the experience of the cablers. Ideally cables should be run in a tray, parallel to power cables, to avoid mains interference.

We used an electrical firm once, and found their cable pullers had run the UTP(cat6 unshielded) across a flourescent light unit. The transformer in the light gives off a field, and it caused interference when it was switched on and working.When the testing was done the room was empty and the light was not in use.

But it may not be the cables themselves. Mattmather and Labnuke99 suggestions are just as valid and should be considered. Try doing the tests on an hourly basis, and compare results to rule out network congestion. (What was the reason for the cabling upgrade?)

Chippy088
 4,625 pts.