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Thread: Slooooooow LAN connection

  1. #1
    Join Date
    Feb 2007
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    Vancouver BC - Canada
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    253
    Distro
    Ubuntu 12.10 Quantal Quetzal

    Slooooooow LAN connection

    This is a recent problem, and I can't pinpoint any change/upgrade that would cause this. Rsync transfer from Client to Server:

    sent 11756196 bytes received 1032741 bytes 138258.78 bytes/sec
    total size is 144333466390 speedup is 11285.81
    Pinging back and forth from each machine is fine. No Ifconfig errors Client, but Server has RX packet errors.

    eth0 Link encap:Ethernet HWaddr 00:11:25:37:ee:44
    inet addr:192.168.1.101 Bcast:192.168.1.255 Mask:255.255.255.0
    inet6 addr: fe80::211:25ff:fe37:ee44/64 Scope:Link
    UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
    RX packets:41786 errors:2157 dropped:0 overruns:0 frame:2157
    TX packets:34138 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:1000
    RX bytes:55615449 (55.6 MB) TX bytes:4737538 (4.7 MB)
    What's the next step?

  2. #2
    Join Date
    Sep 2009
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    United States
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    Ubuntu

    Re: Slooooooow LAN connection

    Quote Originally Posted by NJC View Post
    This is a recent problem, and I can't pinpoint any change/upgrade that would cause this. Rsync transfer from Client to Server:

    Pinging back and forth from each machine is fine. No Ifconfig errors Client, but Server has RX packet errors.


    What's the next step?
    What kind of switch are you using? Or are the machines directly connected? Is this megabit or gigabit Ethernet? What class cable (CAT5/CAT5e/CAT6/etc - it will be printed somewhere on the cable) are you using? Do you have the same issue with different client machines connecting to that same server? How old are the NIC's in the machines?

  3. #3
    Join Date
    Feb 2007
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    253
    Distro
    Ubuntu 12.10 Quantal Quetzal

    Re: Slooooooow LAN connection

    Connected via old Linksys router (100mbit?), CAT5 cable. I'm guessing 2 and 6yr old NIC and only 2 machines on LAN. Thanks for your help.
    Last edited by NJC; December 8th, 2010 at 07:39 AM.

  4. #4
    Join Date
    Sep 2009
    Location
    United States
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    113
    Distro
    Ubuntu

    Re: Slooooooow LAN connection

    Quote Originally Posted by NJC View Post
    Connected via old Linksys router (100mbit?), CAT5 cable. I'm guessing 2 and 6yr old NIC and only 2 machines on LAN. Thanks for your help.
    Do you have a laptop or something around you can test the server again with? I'm inclined to think it's a problem with the client machine's NIC. Maybe try a different Ethernet plug on the router, but that's a long shot.

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