Which IC's directly affect ping?

Discussion in 'General Electronics Chat' started by AJMetal87, Mar 31, 2014.

  1. AJMetal87

    Thread Starter New Member

    Mar 15, 2013
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    I have some networking equipment with Ping's all over the place. I have it directly connected to the computer I am pinging it from.

    Is there a particular IC that regulates ping or is it a series? I have a BGA rework station, so If its narrowed down to typically being a BGA related issue, I can always reflow/reball, but I wanted to get a little insight before I dive blindly into the rework.
     
  2. sirch2

    Well-Known Member

    Jan 21, 2013
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    Ping is a piece of software that uses ICMP Echo requests and records the time taken for a response. I would doubt that it is implemented in hardware, check the software config of the device.
     
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  3. Zerotolerance

    Member

    Sep 18, 2011
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    Using "ping" is not exactly an accurate analysis method. You need to use Netperf or IPerf to get more accurate measurements.

    "The latency is the delay between the process instruction commanding the transition and the hardware actually transitioning the voltage from high to low or low to high." - http://en.wikipedia.org/wiki/Latency_%28engineering%29

    Not to sure where or why a rework station was mentioned in this post. Maybe I am misunderstanding the OP?
     
  4. AJMetal87

    Thread Starter New Member

    Mar 15, 2013
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    I was under the impression that an undesirable ping could be hardware related. I mentioned that if it was, and related to a BGA, I could most likely reflow any fractured solder joints if that was a possibility to resolve the problem, but Sirch2 had answered that question.
     
  5. kubeek

    AAC Fanatic!

    Sep 20, 2005
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    It COULD be a bad solder joint, but that is very unlikely. Try freeze spraying or heating the suspect IC, or using some pressure to check if the situation changes. Nonehteless things like that usually either work or not, a bad ping because of a bad joint is not very likely.

    I think that your problems will lie somwhere else, could be a broken cable or overloaded cpu.
     
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  6. Papabravo

    Expert

    Feb 24, 2006
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    The literal answer to your question is:

    The processor, the Ethernet controller, the MAC, and the transceiver. Trying to resolder everything has a very low probability of success.
     
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  7. AJMetal87

    Thread Starter New Member

    Mar 15, 2013
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    Thank you both Kubeek and Papabravo for providing me with a little more insight on potential IC's that 'could' be related to the ping spikes.

    Would a master reset assist in ruling out the overloaded CPU variable?

    I am going to take a closer look at the internal cables connecting the pcbs inside the unit.
     
  8. kubeek

    AAC Fanatic!

    Sep 20, 2005
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    It really depends on what the device actually is.
     
  9. AJMetal87

    Thread Starter New Member

    Mar 15, 2013
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