V. slow high speed internet, network card problem?

Discussion in 'Mac Basics and Help' started by Loraenn, Feb 25, 2009.

  1. Loraenn macrumors newbie

    Feb 25, 2009
    This is driving me crazy, so any help would be greatly appreciated.

    I am using an IBOOK G4, running OS 10.3.9. Never had any major problems with the computer itself....

    I am currently living in Korea, and thus have very highspeed internet. However, on my Mac, it is running quite slow.

    There is no modem that I can reset, because the apartment building is already wired so my ethernet cable connects directly into the wall.

    A friend came over to test the connection (speedtest.net) with his PC and he was downloading 60,000 KBPS, when I plugged in my MAC I was downloading at 15,000 KBPS. He downloads various things at around 2mb/s and I sometimes only get 50 kb/s.

    I've tried creating a new network location, resetting firmware, unplugging the cable, and changing to full duplex.

    Any ideas? :confused:
  2. miles01110 macrumors Core


    Jul 24, 2006
    The Ivory Tower (I'm not coming down)
  3. Loraenn thread starter macrumors newbie

    Feb 25, 2009
    yes, I changed them to the OPEN DNS servers. Did not help though.
  4. Consultant macrumors G5


    Jun 27, 2007
    speedtest.net is flash based and does not show your actual speed if your cpu is being consumed with the flash portion. Your computer is very old thus flash might be taking 100% of your CPU, leaving little room to process your downloads.

    Download a trailer from apple.com/trailers
    and see what download speed you get from that
  5. erichmatt macrumors newbie

    Feb 27, 2009
    Ashburnham MA
    I assume you are using the same ethernet cable for both the PC and the Mac. You could try a different user account. I don't know why that would help but it is worth a try. If you have your OS CD's an archive and install is the shotgun approach to software issues. Ideally you would boot your computer from another drive to see if it is software or hardware.
  6. ElectricSheep macrumors 6502


    Feb 18, 2004
    Wilmington, DE
    Since you have access to a high performance network (60 Megabit), its work checking some sysctl parameters that govern TCP windowing and socket buffers.

    Open a Terminal window, and type the following:

    sysctl net.inet

    Paste those results here.

    Also, check the socket buffer settings with the following command:

    sysctl kern.ipc.maxsockbuf

    Paste those results here as well.
  7. Loraenn thread starter macrumors newbie

    Feb 25, 2009
    Thanks for all the advice so far.

    I did try to download a trailer off of apple, but none of links I clicked on would actually begin a download. x_X

    I do understand that the flash based speed test can be completely inaccurate, but all the files I have been downloading have been quite slow as well. 400 kb/s MAX. :/

    Also, I just finished formatting - just to be sure there weren't any leftover setting causing bugs...but internet speed remains the same.

    Lastly, I opened terminal and typed in those commands. This is what returned:

    net.inet.ip.portrange.first: 49152
    net.inet.ip.portrange.hifirst: 49152
    net.inet.ip.portrange.hilast: 65535
    net.inet.ip.portrange.last: 65535
    net.inet.ip.portrange.lowfirst: 1023
    net.inet.ip.portrange.lowlast: 600
    net.inet.ip.forwarding: 0
    net.inet.ip.redirect: 1
    net.inet.ip.ttl: 64
    net.inet.ip.rtexpire: 315
    net.inet.ip.rtminexpire: 10
    net.inet.ip.rtmaxcache: 128
    net.inet.ip.sourceroute: 0
    net.inet.ip.intr_queue_maxlen: 50
    net.inet.ip.intr_queue_drops: 0
    net.inet.ip.accept_sourceroute: 0
    net.inet.ip.fastforwarding: 0
    net.inet.ip.keepfaith: 0
    net.inet.ip.gifttl: 30
    net.inet.ip.subnets_are_local: 0
    net.inet.ip.maxfragpackets: 512
    net.inet.ip.maxfragsperpacket: 16
    net.inet.ip.check_interface: 0
    net.inet.ip.check_route_selfref: 1
    net.inet.ip.use_route_genid: 1
    net.inet.ip.linklocal.in.allowbadttl: 0
    net.inet.ip.fw.enable: 1
    net.inet.ip.fw.one_pass: 1
    net.inet.ip.fw.debug: 1
    net.inet.ip.fw.verbose: 0
    net.inet.ip.fw.verbose_limit: 0
    net.inet.ip.fw.dyn_buckets: 256
    net.inet.ip.fw.curr_dyn_buckets: 256
    net.inet.ip.fw.dyn_count: 0
    net.inet.ip.fw.dyn_max: 1000
    net.inet.ip.fw.dyn_ack_lifetime: 300
    net.inet.ip.fw.dyn_syn_lifetime: 20
    net.inet.ip.fw.dyn_fin_lifetime: 20
    net.inet.ip.fw.dyn_rst_lifetime: 5
    net.inet.ip.fw.dyn_short_lifetime: 30
    net.inet.icmp.maskrepl: 0
    net.inet.icmp.icmplim: 250
    net.inet.icmp.timestamp: 0
    net.inet.icmp.bmcastecho: 1
    net.inet.icmp.drop_redirect: 0
    net.inet.icmp.log_redirect: 0
    net.inet.tcp.rfc1323: 1
    net.inet.tcp.rfc1644: 0
    net.inet.tcp.mssdflt: 512
    net.inet.tcp.keepidle: 144000
    net.inet.tcp.keepintvl: 1500
    net.inet.tcp.sendspace: 32768
    net.inet.tcp.recvspace: 32768
    net.inet.tcp.keepinit: 1500
    net.inet.tcp.delacktime: 50
    net.inet.tcp.v6mssdflt: 1024
    net.inet.tcp.always_keepalive: 0
    net.inet.tcp.delayed_ack: 1
    net.inet.tcp.log_in_vain: 0
    net.inet.tcp.pcbcount: 79
    net.inet.tcp.minmss: 216
    net.inet.tcp.slowlink_wsize: 8192
    net.inet.tcp.blackhole: 0
    net.inet.tcp.tcp_lq_overflow: 1
    net.inet.tcp.path_mtu_discovery: 1
    net.inet.tcp.slowstart_flightsize: 1
    net.inet.tcp.local_slowstart_flightsize: 4
    net.inet.tcp.newreno: 0
    net.inet.tcp.tcbhashsize: 4096
    net.inet.tcp.do_tcpdrain: 1
    net.inet.tcp.icmp_may_rst: 1
    net.inet.tcp.strict_rfc1948: 0
    net.inet.tcp.isn_reseed_interval: 0
    net.inet.tcp.msl: 600
    net.inet.tcp.drop_synfin: 1
    net.inet.tcp.sockthreshold: 256
    net.inet.tcp.reass.maxsegments: 1024
    net.inet.tcp.reass.cursegments: 1
    net.inet.tcp.reass.overflows: 0
    net.inet.udp.checksum: 1
    net.inet.udp.maxdgram: 9216
    net.inet.udp.recvspace: 42080
    net.inet.udp.log_in_vain: 0
    net.inet.udp.blackhole: 0
    net.inet.ipsec.def_policy: 1
    net.inet.ipsec.esp_trans_deflev: 1
    net.inet.ipsec.esp_net_deflev: 1
    net.inet.ipsec.ah_trans_deflev: 1
    net.inet.ipsec.ah_net_deflev: 1
    net.inet.ipsec.ah_cleartos: 1
    net.inet.ipsec.ah_offsetmask: 0
    net.inet.ipsec.dfbit: 0
    net.inet.ipsec.ecn: 0
    net.inet.ipsec.debug: 0
    net.inet.ipsec.esp_randpad: -1
    net.inet.ipsec.bypass: 1
    net.inet.ipsec.esp_port: 0
    net.inet.raw.maxdgram: 8192
    net.inet.raw.recvspace: 8192
    Lori's -Computer:~ Lori$ sysctl kern.ipc.maxsockbuf
    kern.ipc.maxsockbuf: 262144

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