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Help with Latency Issue Please

Last response: in Networking
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April 9, 2009 3:36:55 PM

Hello.

I have a Linksys WRT54G V8 wireless router. I, however, play alot of WoW so I only use the wireless for my wife's laptop. I started off using wireless to my desktop, however, I was getting HORRIBLE latency averaging 400-600ms and spikes into the 1000s!!! So now I am using a wired connection from router to desktop. I don't have horrible issues with latency now but I am still averaging in the 250-350ms range. And of course some nights I hit into the 400-600ms but that is not very common.

I am just wondering what I can do to lower my latency into a <200ms range. I figure with wired connection I should be getting this low of latency. I use Comcast internet currently if that helps. Also, other people who play WoW in my guild use Comcast and get around 200ms latency.

Any suggestions?

Thanks

More about : latency issue

April 9, 2009 3:41:57 PM

semanthe said:
Hello.

I have a Linksys WRT54G V8 wireless router. I, however, play alot of WoW so I only use the wireless for my wife's laptop. I started off using wireless to my desktop, however, I was getting HORRIBLE latency averaging 400-600ms and spikes into the 1000s!!! So now I am using a wired connection from router to desktop. I don't have horrible issues with latency now but I am still averaging in the 250-350ms range. And of course some nights I hit into the 400-600ms but that is not very common.

I am just wondering what I can do to lower my latency into a <200ms range. I figure with wired connection I should be getting this low of latency. I use Comcast internet currently if that helps. Also, other people who play WoW in my guild use Comcast and get around 200ms latency.

Any suggestions?

Thanks


Try running a tracert to determine exactly which hop(s) the latency is coming from.
April 9, 2009 5:27:57 PM

Okay I'm not very familiar with ping and tracert. I can run both but I only know how to input a website like listed below. If you need me to do something different can you please explain and I'll try my best :) 

Microsoft Windows [Version 6.0.6001]
Copyright (c) 2006 Microsoft Corporation. All rights reserved.

C:\Users\Evan>"tracert"

Usage: tracert [-d] [-h maximum_hops] [-j host-list] [-w timeout]
[-R] [-S srcaddr] [-4] [-6] target_name

Options:
-d Do not resolve addresses to hostnames.
-h maximum_hops Maximum number of hops to search for target.
-j host-list Loose source route along host-list (IPv4-only).
-w timeout Wait timeout milliseconds for each reply.
-R Trace round-trip path (IPv6-only).
-S srcaddr Source address to use (IPv6-only).
-4 Force using IPv4.
-6 Force using IPv6.

C:\Users\Evan>ping

Usage: ping [-t] [-a] [-n count] [-l size] [-f] [-i TTL] [-v TOS]
[-r count] [-s count] [[-j host-list] | [-k host-list]]
[-w timeout] [-R] [-S srcaddr] [-4] [-6] target_name

Options:
-t Ping the specified host until stopped.
To see statistics and continue - type Control-Break;
To stop - type Control-C.
-a Resolve addresses to hostnames.
-n count Number of echo requests to send.
-l size Send buffer size.
-f Set Don't Fragment flag in packet (IPv4-only).
-i TTL Time To Live.
-v TOS Type Of Service (IPv4-only).
-r count Record route for count hops (IPv4-only).
-s count Timestamp for count hops (IPv4-only).
-j host-list Loose source route along host-list (IPv4-only).
-k host-list Strict source route along host-list (IPv4-only).
-w timeout Timeout in milliseconds to wait for each reply.
-R Use routing header to test reverse route also (IPv6-only).
-S srcaddr Source address to use.
-4 Force using IPv4.
-6 Force using IPv6.


C:\Users\Evan>ping google.com

Pinging google.com [209.85.171.100] with 32 bytes of data:
Reply from 209.85.171.100: bytes=32 time=100ms TTL=239
Reply from 209.85.171.100: bytes=32 time=97ms TTL=239
Reply from 209.85.171.100: bytes=32 time=100ms TTL=239
Reply from 209.85.171.100: bytes=32 time=98ms TTL=239

Ping statistics for 209.85.171.100:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 97ms, Maximum = 100ms, Average = 98ms


Tracing route to google.com [209.85.171.100]
over a maximum of 30 hops:

1 1 ms 1 ms 1 ms 192.168.1.1
2 7 ms 10 ms 7 ms c-68-47-226-1.hsd1.tn.comcast.net [68.47.226.1]

3 10 ms 9 ms 9 ms ge-2-22-ur01.west.tn.knox.comcast.net [68.86.137
.53]
4 8 ms 8 ms 11 ms te-3-3-ar01.sharpsridge.tn.knox.comcast.net [68.
86.136.9]
5 18 ms 15 ms 13 ms te-5-2-ar01.nashville.tn.nash.comcast.net [68.85
.232.93]
6 20 ms 17 ms 21 ms te-0-3-0-5-cr01.nashville.tn.ibone.comcast.net [
68.86.90.181]
7 30 ms 26 ms 25 ms pos-0-4-0-0-cr01.atlanta.ga.ibone.comcast.net [6
8.86.85.26]
8 29 ms 28 ms 25 ms te-3-4.car1.Atlanta2.Level3.net [4.71.252.17]
9 32 ms 35 ms 35 ms ae-71-52.ebr1.Atlanta2.Level3.net [4.68.103.60]

10 33 ms 35 ms 35 ms ae-73-70.ebr3.Atlanta2.Level3.net [4.69.138.20]

11 51 ms 53 ms 39 ms ae-7.ebr3.Dallas1.Level3.net [4.69.134.21]
12 41 ms 38 ms 51 ms ae-93-93.csw4.Dallas1.Level3.net [4.69.136.166]

13 47 ms 38 ms 49 ms ae-92-92.ebr2.Dallas1.Level3.net [4.69.136.149]

14 54 ms 53 ms 58 ms ae-2.ebr1.Denver1.Level3.net [4.69.132.105]
15 55 ms 57 ms 68 ms ae-1-100.ebr2.Denver1.Level3.net [4.69.132.38]
16 106 ms 90 ms 88 ms ae-2.ebr2.Seattle1.Level3.net [4.69.132.53]
17 89 ms 90 ms 91 ms ae-21-52.car1.Seattle1.Level3.net [4.68.105.34]

18 93 ms 89 ms 91 ms GOOGLE-INC.car1.Seattle1.Level3.net [4.79.104.74
]
19 94 ms 93 ms 89 ms 209.85.249.32
20 96 ms 98 ms 102 ms 216.239.46.208
21 99 ms 113 ms 101 ms 64.233.174.125
22 105 ms 107 ms 97 ms 209.85.251.141
23 104 ms 108 ms 98 ms 74.125.31.2
24 95 ms 103 ms 101 ms cg-in-f100.google.com [209.85.171.100]

Trace complete.
April 10, 2009 3:20:47 AM

your problem is most likely comcast related..

200-300ms is normal in wow.


alot of times some of my guildies spike over 2k+ on comcast..

I do too on occasion but not often with roadrunner
!