High Latency on Sony VAIO laptop WiFi

Sony / Vpceh14fm
October 28, 2011 at 14:04:29
Specs: Windows 2000, 2.1 GHz / 4043 MB
Not sure if this posted the first time, I have a Linksys Wrt 120N wireless router, there are multiple computers using this wireless connection and the only one experiencing any issue is my Vaio laptop which is practically brand new, less than 6 months old, after using the Xirrus Wifi Inspector it seems there is alot of packet loss and high latency on the connection for my latop, even though all the other computers ( there are about 4 total) have no problem using the wireless, and we are all on Wireless N, the latency issue though isn't necessarily to websites, its to the router itself, which is of course the gateway, here are the ping results:
Pinging 192.168.1.1 with 32 bytes of data:
Reply from 192.168.1.1: bytes=32 time=342ms TTL=254
Request timed out.
Reply from 192.168.1.1: bytes=32 time=3ms TTL=77
Reply from 192.168.1.1: bytes=32 time=3ms TTL=254
Reply from 192.168.1.1: bytes=32 time=3ms TTL=254
Reply from 192.168.1.1: bytes=32 time=1ms TTL=254
Reply from 192.168.1.1: bytes=32 time=4ms TTL=64
Reply from 192.168.1.1: bytes=32 time=3856ms TTL=64
Request timed out.
Reply from 192.168.1.1: bytes=32 time=4489ms TTL=77
Reply from 192.168.1.1: bytes=32 time=2ms TTL=1
Reply from 192.168.1.1: bytes=32 time=4090ms TTL=77
Reply from 192.168.1.1: bytes=32 time=25ms TTL=165
Request timed out.
Reply from 192.168.1.1: bytes=32 time=4ms TTL=111
Reply from 192.168.1.1: bytes=32 time=3028ms TTL=254
Reply from 192.168.1.1: bytes=32 time=5ms TTL=77

they are all over the place and I have a decent signal, my cousin is in the other room streaming episodes of NCIS so that may impact it some but even at night when everyone else was in bed and all machines but mine were shut off the results were nearly the same, strong signal but high latency, and this just started late last night I have not made any recent changes to software or hardware configurations or security...BTW I just caught it after clicking post, I am NOT running windows 2000 its windows 7 home premium 64 bit edition lol


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#1
October 28, 2011 at 14:09:42
Your TTL's are all over the place. Something's seriously wrong with your routing tables and/or network stack. What, exactly, I cannot say. Disable any firewall / anti-malware / anti-virus / proxy / VPN / tunneling software you got going on. Also, make sure the IP and gateway configuration is good. Easiest way is just to make sure it's using DHCP.

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#2
October 28, 2011 at 14:26:58
yes its using DHCP as far as I know (and Ive been at this for a while) most folks usually have their home routers set for DHCP by default I dont recall the last time I found a small home network that wasn't, as for the routing tables, well I'm not sure that the routing tables would really have anything to do with this, were talking from a computer straight to the gateway that is ground zero right there, the 192.168.1.1 is the router IP, I should add that when I connect an Ethernet cable and use that instead of a wireless connection that it works just fine without any problem, this only occurs on the wireless connection , could this mean that my wireless adapter is going out? the real strangeness of it all is I was online quite a bit yesterday, playing some Age of Empires online checking Facebook etc..it all started late last night, at first I almost thought maybe the ISP had throttled us

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#3
October 28, 2011 at 15:02:37
One of the reasons I dislike wireless as much as I do is the inherent susceptibility to latency.

With regard to your specific issue. The problem could be the server you're connecting to. If it's heavily loaded then you will experience more lag and latency than if you were connecting to a server that wasn't heavily loaded.

Also yes, someone streaming video or up/downloading large files not only can, but does serverly impact the bandwidth of everybody else connected to the same router. Both video and downloading are major bandwidth hogs.

As a point of fact, your ISP does have you throttled to whatever bandwidth package you're paying for.....1,5, 3, 6, 10, 15 Mbps (etc). They won't sneak in after you're up and running and throttle it some more though. That would cost them money in administrative fees as someone would have to do it and they would require payment for said activity so don't worry about that, it's not the issue.

I suspect the two biggest factors affecting your bandwidth are that you're using wireless (it's inherent issues), and the fact that you have somebody streaming video at the same tiem in your LAN. Add on to that a busy server and that would explain it all.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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Related Solutions

#4
October 28, 2011 at 15:05:50
yes its using DHCP as far as I know
We're talking about the laptop, correct? Do you know how to check?

I'm not sure that the routing tables would really have anything to do with this,
Maybe it would be best so show you what I'm seeing here.
Reply from 192.168.1.1: bytes=32 time=1ms TTL=254
Reply from 192.168.1.1: bytes=32 time=2ms TTL=1
The top packet hit the router, and bounced back. This is the scenario you're describing.
The bottom packet went on a magical journey, and it was routed 254 times. I'm assuming this is a symptom of the latency you're describing. In short, either your PC has a hard time finding the router, or the router has a hard time finding the PC.

If the other wireless PCs show similar TTL's, then something is wrong with the router. If it's just this system, then something is wrong with that system.

could this mean that my wireless adapter is going out?
Could be. It'd be hard to tell without knowing how strong of a signal your router is receiving from you. Custom router firmware might tell you, but I doubt unmoded commercial home routers will.

My suggestion on disabling any security software still stands. It's not uncommon for those programs to update themselves without telling you.

You might also want to make sure your router is using AES2, and change the network password. I doubt that has anything to do with the problem, but better safe than sorry.

I'm also assuming you've rebooted the laptop and the router before posting here.

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#5
October 28, 2011 at 15:19:16
haha wow I hate to be rude but this is not a typical situation Ive been doing technical support for a number of years and am stumped by this, clearly though I can tell from the responses that people are not thoroughly reading my question, there is no server Im connecting to , those high ping times/latency, are from me pinging the wireless router, so in that sense it has nothing to do with the "server" im trying to reach, as for AES 2 there is NO security on this router, I live in the middle of nowhere in Southeast GA, its a dirt road and the nearest neighbor is my uncle and I sincerely doubt he knows much more than how to turn on his TV honestly lol, and yes I have rebooted the laptop just in case, I have also tried restarting the router, again this ONLY happens when I'm on wireless and it ONLY happens to MY computer, there are 2 others on wireless right now that have ZERO problem, I can safely and completely rule out any source of interference. As for security software I use Webroot Antivirus with Spysweeper, its proven to be a fairly effective and stable program without a lot of issues, but truth is I have it disabled completely all shields are turned off, windows firewall is off and I check every day the program log for that program to see if it updated or ran a scan. It's all DHCP,if the router is DHCP chances are so are the computers otherwise whats the point ;), very few people use static IP's anymore and I am no exception there.

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#6
October 28, 2011 at 15:41:49
I should point out I have DHCP on my router, but static on my main PC's. It helps when streaming internally, or forwarding ports from the outside.

Do you have an old Wi-Fi PC Card you can use in the laptop? Does tracert show anything out of the ordinary?

I can tell from the responses that people are not thoroughly reading my question
Whitespace helps. Most regulars rarely write more than four sentences without line breaks; it's just one of those rules of the Internet.

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#7
October 28, 2011 at 18:19:26
lol think of it as more of a technical brief less like an essay or college paper , and no I dont have any cards to put in my laptop but even if I did I dont have any PCMCIA slots on this laptopt, but here is what trace route shows on the wireless:

C:\Users\Lee>tracert www.google.com

Tracing route to www.l.google.com [74.125.47.147]
over a maximum of 30 hops:

1 * 1084 ms 4 ms 192.168.1.1
2 * * 2984 ms pppoe-dsl-120-1.accessatc.net [216.81.120.1]
3 * 1229 ms 42 ms alma-gw-rtr1.accessatc.net [216.81.96.1]
4 51 ms 54 ms 52 ms gi1-30.ccr01.atl04.atlas.cogentco.com [38.104.18
3.5]
5 * 284 ms 125 ms te0-4-0-7.mpd22.dca01.atlas.cogentco.com [154.54
.27.93]
6 * 404 ms * te0-1-0-5.mpd22.iad02.atlas.cogentco.com [154.54
.5.62]
7 * 1321 ms 99 ms xe-11-1-0.edge2.Washington4.Level3.net [4.68.63.
173]
8 * * 1400 ms ae-13-60.car3.Washington1.Level3.net [4.69.149.5
]
9 * 1123 ms 130 ms GOOGLE-INC.car3.Washington1.Level3.net [4.79.168
.6]
10 * 269 ms 107 ms 209.85.252.46
11 108 ms 99 ms * 66.249.95.149
12 537 ms * 1251 ms 72.14.232.213
13 Lee-VAIO [192.168.1.103] reports: Destination host unreachable.

Im sure that last one is due to the high latency because, while it is a bit slow I can at least reach google.com , for some reason each of the first 3 hops , individually have more latency than the next 3 combined, the one thing in all of this that doesnt make any sense is why all the sudden its happening on the wireless, I loaded this page up with the ethernet cable plugged in and this is what the trace route looks like wired in:

Tracing route to www.l.google.com [74.125.47.105]
over a maximum of 30 hops:

1 1 ms <1 ms <1 ms 192.168.1.1
2 37 ms 52 ms 45 ms pppoe-dsl-120-1.accessatc.net [216.8
3 37 ms 54 ms 37 ms alma-gw-rtr1.accessatc.net [216.81.9
4 49 ms 51 ms 67 ms gi1-30.ccr01.atl04.atlas.cogentco.co
3.5]
5 63 ms 89 ms 76 ms te0-0-0-3.mpd22.dca01.atlas.cogentco
.28.209]
6 74 ms 61 ms 62 ms te0-3-0-5.mpd22.iad02.atlas.cogentco
.41.254]
7 79 ms 79 ms 79 ms xe-11-1-0.edge2.Washington4.Level3.n
173]
8 81 ms 95 ms 92 ms ae-33-80.car3.Washington1.Level3.net
33]
9 79 ms 80 ms 79 ms GOOGLE-INC.car3.Washington1.Level3.n
.210]
10 80 ms 85 ms 102 ms 209.85.252.80
11 108 ms 81 ms 81 ms 72.14.238.107
12 81 ms 82 ms 80 ms 209.85.254.241
13 105 ms 93 ms 93 ms 209.85.253.165
14 81 ms 81 ms 80 ms yw-in-f105.1e100.net [74.125.47.105]

if it was a load issue on the router, or a security software issue on my computer it would effect my Ethernet connection as well, I probably ought to just send in the laptop for repair at this point since its all covered under warranty but I run my business off this thing and so being without it for a week isn't too appealing, but I am going out shortly with my laptop to test it out on a few other wifi networks and see if it does the same thing...oddly enough there is a small park across the street from the offices of my ISP and you can access free wifi from their office there lol, great place to test right? lol


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#8
October 28, 2011 at 23:13:40
It could be your network card is malfunctioning, have you updating the wifi driver or uninstalling/re-installing the wifi driver? Do you have another wifi usb or card you could try as mentioned before?

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#9
October 29, 2011 at 00:14:03
as stated before no PCMCIA slot , I went out and tried connecting to a few other wireless networks in the area, 1 was a wireless G the other N like I have at home, I was able to connect and browse no problem pinging both the gateway and individual websites came back with nominal ping times, so now it looks like there may be an issue with the router but then why , out 4 computers total that use a wireless connection is mine the only one that has any trouble, and 2 of them are using refurbished desktop adapters, and it all goes back to why this started all the sudden Ive been using my laptop on wireless since I got it a few months ago and this problem just started. I am almost tempted to try re installing my drivers for the wireless NIC but seeing as how I dont have this problem on other wireless networks Im doubtful of that being of any use, although it might help further determine if the issue is with the router or with the laptop

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#10
October 29, 2011 at 08:56:35
13 Lee-VAIO [192.168.1.103] reports: Destination host unreachable.
Lee-VAIO says, "Network? What network?" Does this model have a wireless kill switch? Is it a switch, or some strange keyboard combo? Could the switch be shorting? Besides that, I'm seeing a lot of packet loss.

Failing that, If the PC works with other routers, and the router works with other PCs, then it's probably the PC. Have you tried deleting the network on the offending laptop and rejoining?

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#11
November 1, 2011 at 14:49:33
, I did try removing the network and then rejoining still same issue, and I wish I knew what that meant about the trace route, lol I have never seen that in the results on any computer before, there is a hardware switch on my laptop to turn off the wireless adapter, but its of course on, and I can connect to the wireless network, it will connect, acquire an IP address and "identify" the network, its all auto obtain and it does obtain all the appropriate info just fine but still the high latency,

what makes no sense is, if its the laptop, why isn't it giving me trouble on any other wireless network? I mean if its the laptop that assumes that something must have changed on it, couldnt be anything that changed on the router because then everyone would have trouble, but then if something really was broken it would show up, even if it was intermittent I could understand, with all the wireless stuff I don on it I would have seen this issue on another network at some point by now, so its not even that, it runs flawlessly everywhere else, but even know being less than 50 Ft from the wireless router I still have a high ping time on wireless


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#12
November 2, 2011 at 16:39:51
Well, unless there's some unexplained network traffic involved, I'm at a lost. I'm pretty sure it's on the laptop's end, and I think it's probably software / configuration, but there's no real proof for the latter.

Have you tried rolling back to before the issue cropped up?

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#13
November 2, 2011 at 17:49:02
well I should know better but I dont have any restore points set on my laptop lol, sucks for me I know, but the thing is, I am very familiar with my wifi settings and nothing changed when the problem happened, I made some changes after it happened to see if I could correct the issue but nothing worked, for now Im using 50ft cat5 cable that I was using for my xbox 360 which is now using its wireless connection whenever I get on ...but I really have no idea where to go from this point

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#14
November 5, 2011 at 09:36:01
I don't have much in the way of advice, just the standard nuke everything network.
netsh int ip reset
Then uninstall your wireless driver, and reboot.

You could also enable network tracing, and see if you see anything new, but try that after the network nuke.

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#15
November 5, 2011 at 12:55:15
Backup everything and reinstall Windows!

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#16
November 12, 2011 at 16:45:21
i reset both my wireless router and DSL modem back to factory defaults,this time I changed 1 thing, I unbridged the modem and set the router to connect to it via DHCP instead of PPPoE , this is how it was in the beginning since the router was installed, it was changed because while I was out on a service call we had to have the ISP send a tech out to look at the modem .the tech came out and somehow , for some reason, determined our modem had to be bridged, and so bridged it, so i have undone that, and since the hard reset on the router and modem the latency issue has been resolved, ping times stay under 4ms to the router now and ttl still changes some but its not as all over the place as it was, and my PC still performs flawlessly on other wireless G and wireless N networks, it finally works well enough on the wireless that I could actually load this site and type this response, speed tests come back ok right at about1.5 megs or so for down speed, page loads are a little slow and youtube type sites are kinda buggy still..so there are some kinks but its useable, if I had to guess id say it was the router, just doesnt make any sense why none of the other computers had any trouble

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#17
January 31, 2014 at 08:14:10
I realise this is an ancient thread but for anyone who Googles into it, there was an unusual fix for a similar issue, posted here (29 Jan 2014):
http://www.computing.net/answers/ne...

Always pop back and let us know the outcome - thanks

message edited by Derek


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