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High pings suddenly

Discussion in 'Tomato Firmware' started by amnon23e, Nov 21, 2007.

  1. amnon23e

    amnon23e LI Guru Member

    i have a disturbing problem with high pings outside my country, i'm getting 400ms+ on yahoo and google sites. The strange thing is to some other sites i receive normal pings (for me) of 80-150ms (like excite, lycus). When i connect my computer to the cable modem directly i get normal pings to all sites. This happens usually during the evening and in the morning i get normal pings.
    I have contacted my ISP (netvision - Israel) because it all started after they had some down time, but they assured me it not them (as i seen by connecting the computer to the modem direct).
    I tried sevral tweaks to my router's config and suddenly after disabling the reduced packate size my ping returned to normal on most sites (but high on lycus and excite - which i don't mind, they are a group of servers that seems to be less in use)
    Now the high pings returned once more, and no matter what tweak i use they won't go away.
    trace shows a spike after the border server.
    my specs are: linksys WRT54GL with tomato firmware v. 1.11, connected to a tompson cable modem.
    any suggestions how to fix this?
  2. azeari

    azeari LI Guru Member

    well the problem shouldn't lie with the router since all it does is route traffic, and the qos isnt quite advanced enough to differentiate and prioritize different sites. (= i'm suspecting either random problems in your route to yahoo and google, or your isp
  3. amnon23e

    amnon23e LI Guru Member

    thanks for the replay :biggrin:

    yes i'm on email terms with my isp's support now, finding some weird stuff there :eek:
  4. Toxic

    Toxic Administrator Staff Member

    you need to trace the route to the offending urls, then find where the ping gets excessive. the further you go the higher the ping usually and it had nothing to do with your router, unless you are maxing out your connection.

    try running a "tracert" (if your using windows) to google or whatever and seening where the pings starts to increase. if you can ping your ISPs gateway with a low latency then my guess is the problem is somewhere within the realms of the internet.

    pingplotter is an excellent util for testing packets/pings and connectivity

  5. amnon23e

    amnon23e LI Guru Member

    yes i have made some traces, and the first excessive rise in MS is at the ips's border server.

    P.S: u making me drool with the average pings u got >.>

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