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Thread: Zero conf question

  1. #1

    Default Zero conf question

    I'm running SUSE 11.0 on a WMP54GS. Everything works great, but I get a 1 second lag in games every 20-30 seconds or so I think. Is there any way of stopping zero conf from doing this? I am using the default software for networking btw. I mean my ping is perfect, it's just that 1 second of lag every now and then, without fail.

    Thanks!

  2. #2
    Join Date
    Jun 2008
    Location
    Kansas City Area, Missouri, USA
    Posts
    7,235

    Default Re: Zero conf question

    Tkk32 wrote:
    > I'm running SUSE 11.0 on a WMP54GS. Everything works great, but I get a
    > 1 second lag in games every 20-30 seconds or so I think. Is there any
    > way of stopping zero conf from doing this? I am using the default
    > software for networking btw. I mean my ping is perfect, it's just that 1
    > second of lag every now and then, without fail.


    Zero conf is a Windows concept that has nothing to do with your delay.

    Open a terminal and run the command 'dmesg' to see if anything is being logged
    when the delays occur. If you don't see any such information, then run the
    command 'top'. When you get the delay, see if some process is grabbing the CPU.

    Larry

  3. #3

    Default Re: Zero conf question

    Thanks, guess I didn't know much about zero conf.

    Here are a few of what I think are errors:

    Code:
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=64 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=44
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=260 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=240
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=374 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=354
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=374 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=354
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=374 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=354
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=344 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=324
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=64 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=44
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=386 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=366
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=344 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=324
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=64 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=44
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=64 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=44
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC=01:00:5e:00:00:01:00:18:39:a2:7f:f0:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=64 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=44
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC=00:1c:10:60:ab:fa:00:18:39:a2:7f:f0:08:00 SRC=192.168.1.1 DST=192.168.1.100 LEN=413 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=2053 DPT=1900 LEN=393
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC=00:1c:10:60:ab:fa:00:18:39:a2:7f:f0:08:00 SRC=192.168.1.1 DST=192.168.1.100 LEN=413 TOS=0x00 PREC=0x00 TTL=64 ID=0 DF PROTO=UDP SPT=2053 DPT=1900 LEN=393
    SFW2-INext-ACC-TCP IN=wlan0 OUT= MAC=00:1c:10:60:ab:fa:00:18:39:a2:7f:f0:08:00 SRC=85.17.40.166 DST=192.168.1.100 LEN=52 TOS=0x00 PREC=0x00 TTL=45 ID=60519 DF PROTO=TCP SPT=35041 DPT=10001 WINDOW=5840 RES=0x00 SYN URGP=0 OPT (020405B40101040201030308)
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=64 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=44
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC=01:00:5e:00:00:01:00:18:39:a2:7f:f0:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC=01:00:5e:7f:ff:fa:00:18:39:a2:7f:f0:08:00 SRC=192.168.1.1 DST=239.255.255.250 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF OPT (94040000) PROTO=2
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=64 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=44
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC=01:00:5e:00:00:01:00:18:39:a2:7f:f0:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
    "SFW2-INext-DROP-DEFLT" surely can't be a good thing.

    Edit: This is without even starting the game. It's just generally browsing the web for 5~ mins.
    Last edited by Tkk32; 05-Dec-2008 at 05:56. Reason: More information

  4. #4

    Default Re: Zero conf question

    More relevant info, can't seem to edit my last post.
    Code:
    martian source 192.168.1.100 from 80.239.179.19, on dev wlan0
    ll header: 00:1c:10:60:ab:fa:00:18:39:a2:7f:f0:08:00
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=64 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=44
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=374 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=354
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=260 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=240
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=374 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=354
    martian source 192.168.1.100 from 80.239.179.19, on dev wlan0
    ll header: 00:1c:10:60:ab:fa:00:18:39:a2:7f:f0:08:00
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=374 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=354
    martian source 192.168.1.100 from 80.239.179.19, on dev wlan0
    ll header: 00:1c:10:60:ab:fa:00:18:39:a2:7f:f0:08:00
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=64 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=44
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=64 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=44
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC=01:00:5e:00:00:01:00:18:39:a2:7f:f0:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
    SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=64 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=44

    This is in WoW.

  5. #5
    Join Date
    Jun 2008
    Location
    Kansas City Area, Missouri, USA
    Posts
    7,235

    Default Re: Zero conf question

    Tkk32 wrote:
    > More relevant info, can't seem to edit my last post.
    >
    > Code:
    > --------------------
    >
    > martian source 192.168.1.100 from 80.239.179.19, on dev wlan0
    > ll header: 00:1c:10:60:ab:fa:00:18:39:a2:7f:f0:08:00
    > SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=64 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=44
    > SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=374 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=354
    > SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=260 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=240
    > SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=374 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=354
    > martian source 192.168.1.100 from 80.239.179.19, on dev wlan0
    > ll header: 00:1c:10:60:ab:fa:00:18:39:a2:7f:f0:08:00
    > SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=374 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=354
    > martian source 192.168.1.100 from 80.239.179.19, on dev wlan0
    > ll header: 00:1c:10:60:ab:fa:00:18:39:a2:7f:f0:08:00
    > SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=64 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=44
    > SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=64 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=44
    > SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC=01:00:5e:00:00:01:00:18:39:a2:7f:f0:08:00 SRC=192.168.1.1 DST=224.0.0.1 LEN=28 TOS=0x00 PREC=0x00 TTL=1 ID=0 DF PROTO=2
    > SFW2-INext-DROP-DEFLT IN=wlan0 OUT= MAC= SRC=192.168.1.100 DST=224.0.0.251 LEN=64 TOS=0x00 PREC=0x00 TTL=255 ID=0 DF PROTO=UDP SPT=5353 DPT=5353 LEN=44
    > --------------------


    Those are firewall messages concerning dropped packets. I leave it an an
    exercise for the reader to figure out what they mean, but in general "not to worry".

    Larry

  6. #6

    Default Re: Zero conf question

    Thanks.

    Any pointers on what I should do next? "top" didn't help me identify the problem.

  7. #7
    Join Date
    Jun 2008
    Location
    Kansas City Area, Missouri, USA
    Posts
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    Default Re: Zero conf question

    Tkk32 wrote:
    > Thanks.
    >
    > Any pointers on what I should do next? "top" didn't help me identify
    > the problem.


    The other cause of network delays is a IPV6 DNS timeout. If you don't need IPV6
    (If you don't know what it is, then you don't need it.), get rid of it. With
    YaST, select "Network Devices", "Network Settings", choose the "Global Options"
    tab, and uncheck "Enable IPV6".

    Larry

  8. #8

    Default Re: Zero conf question

    I had already done that, read it in a thread in Google, didn't help.

    I think I've identified the problem:

    Code:
    --- www.l.google.com ping statistics ---
    137 packets transmitted, 131 received, 4% packet loss, time 136539ms
    rtt min/avg/max/mdev = 39.838/42.577/75.403/3.619 ms
    4% packet loss!
    Oh dear. Any ideas? Using a fairly new Linksys router and WMP54GS NIC with proper native drivers.

  9. #9
    Join Date
    Jun 2008
    Location
    Kansas City Area, Missouri, USA
    Posts
    7,235

    Default Re: Zero conf question

    Tkk32 wrote:
    > 4% packet loss!
    > Oh dear. Any ideas? Using a fairly new Linksys router and WMP54GS NIC
    > with proper native drivers.


    That loss rate is high. The next step is to isolate the problem.

    Use the command

    sudo traceroute www.google.com

    You will see output that looks like the following:

    traceroute to www.google.com (74.125.95.104), 30 hops max, 40 byte packets
    1 router (192.168.1.1) 0.826 ms 0.451 ms 0.481 ms
    ....
    13 iw-in-f104.google.com (74.125.95.104) 38.932 ms 43.007 ms 41.559 ms

    For each of the steps, locate the IP number and ping each in turn with a command
    like

    ping -c 100 xxx.yyy.zzz.www

    Keep going until you find the hop with the errors. If it is to your router (the
    first hop), then it is your problem. Any further along the chain, it is your
    ISP. In any case, report back. I'm intrigued by this one.

    Larry

  10. #10

    Default Re: Zero conf question

    Code:
    --- 192.168.1.1 ping statistics ---
    100 packets transmitted, 99 received, 1% packet loss, time 99424ms
    rtt min/avg/max/mdev = 1.165/5.244/393.850/39.255 ms
    Looks like it's my router. I'm guessing this one is going to be complicated. It worked fine when I used XP/Vista btw.

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