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First Hop on Tracert , not 1ms

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  • 21-05-2009 12:33pm
    #1
    jonski
    Registered Users Posts: 6,393 ✭✭✭


    First off , hope I picked the right section .


    Was having some problems and noticed other on the BB forum saying about problems around the Limerick area so I ran a tracert last night . While there did seem to be problems the first thing that I noticed was that ( and here is where actual tech knowledge leaves me behind ) the first hop , which I believe is to my modem/router , was not my usual 1ms 1ms 1ms . As long as I have BB , long time , and as long as I have run tracerts on same BB , it has always and forever been 1ms 1ms 1ms .

    It is nothing drastic , I don't think , but I just ran 4 there and they came back


    1 20 ms <1 ms <1 ms 192.168.1.254

    1 10 ms <1 ms <1 ms 192.168.1.254

    1 7 ms <1 ms <1 ms 192.168.1.254

    1 <1 ms <1 ms <1 ms 192.168.1.254


    Anyone have any idea what would/could cause this ??

    Thanks

    John


Comments

  • Options
    #2
    cpu-dude
    Closed Accounts Posts: 1,089 ✭✭✭cpu-dude


    jonski wrote: »
    First off , hope I picked the right section .


    Was having some problems and noticed other on the BB forum saying about problems around the Limerick area so I ran a tracert last night . While there did seem to be problems the first thing that I noticed was that ( and here is where actual tech knowledge leaves me behind ) the first hop , which I believe is to my modem/router , was not my usual 1ms 1ms 1ms . As long as I have BB , long time , and as long as I have run tracerts on same BB , it has always and forever been 1ms 1ms 1ms .

    It is nothing drastic , I don't think , but I just ran 4 there and they came back


    1 20 ms <1 ms <1 ms 192.168.1.254

    1 10 ms <1 ms <1 ms 192.168.1.254

    1 7 ms <1 ms <1 ms 192.168.1.254

    1 <1 ms <1 ms <1 ms 192.168.1.254


    Anyone have any idea what would/could cause this ??

    Thanks

    John
    Are you using a wireless connection?


  • Options
    #3
    jonski
    Registered Users Posts: 6,393 ✭✭✭jonski


    cpu-dude wrote: »
    Are you using a wireless connection?


    Nope


  • Options
    #4
    Snaga
    Registered Users Posts: 1,562 ✭✭✭Snaga


    Some devices(routers) respond slower to ICMP requests directly to it than to normal traffic being router through it. It is the latency figure on the last hop that matters.

    From an internal point of view they (correctly) treat routed traffic as the most important (Even if that routed traffic is an ICMP request for another device), while replying to service requests (Like an ICMP ping request) is seen as secondary.

    It mostly crops up when a router gets a bit busy.

    Are ping times to hosts outside of your network stable? If so it would seem that the above would explain it.


  • Options
    #5
    jonski
    Registered Users Posts: 6,393 ✭✭✭jonski


    Snaga wrote: »
    Are ping times to hosts outside of your network stable? If so it would seem that the above would explain it.


    they do seem to be erratic at peak times at night , but as I said in the first post that seems to be the norm around Limerick atm . Its like I said , I just have never seen anything other than 1 1 1 for the first hop before , thought there might have been something wrong with the modem/router .

    The full tracerts were ,

    C:\Documents and Settings\Administrator>tracert www.weststats.com

    Tracing route to www.weststats.com [82.133.85.201]
    over a maximum of 30 hops:

    1 20 ms <1 ms <1 ms 192.168.1.254
    2 * * * Request timed out.
    3 9 ms 8 ms 8 ms 86.43.244.253
    4 25 ms 25 ms 25 ms 83.71.113.126
    5 26 ms 25 ms 25 ms te1-3.cr05.tn5.bb.gxn.net [195.66.224.29]
    6 26 ms 25 ms 25 ms gi1-1-6.ar01.tn5.bb.gxn.net [62.72.140.142]
    7 25 ms 25 ms 25 ms ge-0-0-0-3801.jolt-gw.cust.pipex.net [212.241.24
    1.14]
    8 25 ms 25 ms 25 ms 82.133.85.201

    Trace complete.

    C:\Documents and Settings\Administrator>tracert www.weststats.com

    Tracing route to www.weststats.com [82.133.85.201]
    over a maximum of 30 hops:

    1 10 ms <1 ms <1 ms 192.168.1.254
    2 12 ms * 14 ms b-ras1.lmk.limerick.eircom.net [159.134.155.24]

    3 15 ms 8 ms 7 ms 86.43.244.253
    4 28 ms 26 ms 25 ms 83.71.113.126
    5 25 ms 25 ms 25 ms te1-3.cr05.tn5.bb.gxn.net [195.66.224.29]
    6 25 ms 25 ms 25 ms gi1-1-6.ar01.tn5.bb.gxn.net [62.72.140.142]
    7 25 ms 25 ms 25 ms ge-0-0-0-3801.jolt-gw.cust.pipex.net [212.241.24
    1.14]
    8 25 ms 25 ms 26 ms 82.133.85.201

    Trace complete.

    C:\Documents and Settings\Administrator>tracert www.weststats.com

    Tracing route to www.weststats.com [82.133.85.201]
    over a maximum of 30 hops:

    1 7 ms <1 ms <1 ms 192.168.1.254
    2 * 12 ms * b-ras1.lmk.limerick.eircom.net [159.134.155.24]

    3 16 ms 7 ms 7 ms 86.43.244.253
    4 26 ms 25 ms 25 ms 83.71.113.126
    5 25 ms 25 ms 25 ms te1-3.cr05.tn5.bb.gxn.net [195.66.224.29]
    6 25 ms 25 ms 25 ms gi1-1-6.ar01.tn5.bb.gxn.net [62.72.140.142]
    7 25 ms 25 ms 25 ms ge-0-0-0-3801.jolt-gw.cust.pipex.net [212.241.24
    1.14]
    8 26 ms 26 ms 26 ms 82.133.85.201

    Trace complete.

    C:\Documents and Settings\Administrator>tracert www.weststats.com

    Tracing route to www.weststats.com [82.133.85.201]
    over a maximum of 30 hops:

    1 <1 ms <1 ms <1 ms 192.168.1.254
    2 17 ms * * b-ras1.lmk.limerick.eircom.net [159.134.155.24]

    3 8 ms 7 ms 7 ms 86.43.244.253
    4 25 ms 25 ms 26 ms 83.71.113.126
    5 25 ms 25 ms 76 ms te1-3.cr05.tn5.bb.gxn.net [195.66.224.29]
    6 26 ms 25 ms 26 ms gi1-1-6.ar01.tn5.bb.gxn.net [62.72.140.142]
    7 25 ms 27 ms 25 ms ge-0-0-0-3801.jolt-gw.cust.pipex.net [212.241.24
    1.14]
    8 25 ms 25 ms 25 ms 82.133.85.201


  • Options
    #6
    jonski
    Registered Users Posts: 6,393 ✭✭✭jonski


    I know it is only a couple of minutes later but I thought this might be significant enough to warrant a post on it's own .

    The other pc's on the same network are doing 1 1 1 's , just ran tracerts to boards on two different pc's on the same network so I presume this is pointing to a problem with my pc ?


    Edit : looks like I solved it , uninstalled Nvidia Forceware Network access manager ( think thats what it was called ) and the problem went away .


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