Wireless Connection - Significant Speed Loss
Feb 21, 2012
I have lately been having trouble with the speed of my wireless connection. usually downloads can run at approx max 1.2MB/S i have noticed significant speed drops in my downloads - when i connect to the network it starts off at 130mpbs, but then quicky drops to 12mbps - no settings have been changed recently.
Windows XP
LinkSYS Wireless N Router E1000
Netgear Wireless Repeater
Signal Strength on Repeater is indicated as strong
Signal Strength on Laptop is indicated as Excellent
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Feb 8, 2013
I have been spending days !!! trying to resolve why my laptop pc disconnects frequently from its wireless connection. No discernable pattern to disconnects, totally random. Happens in cycles of disconnect/auto reconnect or will go hours of stable operation. What I have noticed is tht the connection speed seems to vary, from a hig of 54.0 Mbps to as low as 2.0 Nbps. At same time the desktop pc (hard wired to modem) stays connected at 100 Mbps.Using RCA modem, WRT160n v3 router.
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Jan 16, 2012
I had to change from a WRT300N wireless router which died to a new E2500. I noticed that the speed my computers report that they are connected to the wireless network connection is now 144.5 mps, versus 270 mps with the WRT300N. There is no change in location of the devices or computers. The computers use a WUSB300N adapter. Is there a setting or setup that needs to be changed?
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Dec 23, 2011
I had to change from a WRT300N wireless router which died to a new E2500. I noticed that the speed my computers report that they are connected to the wireless network connection is now 144.5 mps, versus 270 mps with the WRT300N. There is no change in location of the devices or computers. The computers use a WUSB300N adapter. Is there a setting or setup that needs to be changed?
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May 3, 2013
I have a Cisco WRVS4400N Gigabit Router. I recently upgraded my Internet service to 50MB download speed. When I connect directly to the cable modem and run a speed test, using speedtest.net, I get 59MB download speed consistently. When I connect the modem to the router and plug into one of the 4 ports the speed is cut in less than half. The max speed is cut to between 23-24 MB download speeds. I have tried this via wireless as well with the same result.
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Jan 24, 2011
Every "once in a while" (about a week with my network load), the SG300 crawls to an almost standstill of all IPv4 activity (haven't got IPv6 enabled here yet, so I can't comment wether this applies to IPv6 as well). It seems pure L2 transmissions is not affected, but L3 definitely is (down to 20mbit as opposed to the 600+ rate I usually get).
Soft-rebooting the switch (via the webgui) useful, and the intervals of the crashes seem related to total bytes transmitted, not time. I have jumbo frames enabled, and disabled flow control on on the switch and all hosts.
Firmware Version is 1.0.0.27, md5 1987292110f5657e74308dde30c03dc4 Boot Version is 1.0.0.4 md5 4c9a0b6a9f1346736646d08ab94ae2ac
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Jun 11, 2012
I have an issue that I am trying to track down. When I have 2 servers on the same VLAN on my AS pair, all is good because nothing leaves the switch. Where the issue is, is when I have 2 servers on different VLAN's and it requires a hop across the Core router pair. This hop drops the throughput rate by about 20-25% (from 44M to 35-36M)I think I know the issue, but want some input to from other to make sure I am not off-base. I have a pair of 6509E chassis' running Sup720 (VS-S720-10G) with CEF720 (X6748-GE-TX) modules. This is my Access Pair running VSS to look as 1 switch.
These tie into the Core pair of 6500E chassis' running Sup720 (Sup720-3B). This issue I see is that the core has a CEF720 card (6724-SFP), but the AS pair does not connect to the core on that card, they connect on a RJ45 Ethermodule (6148A-GE-TX) card. Would the fact that the AS pair does not connect to the core on the CEF7220 module on the core, cause the traffic to not make use of the CEF features of the Core and make each packet then have to be processed by the core instead of Express Forwarded?
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Oct 31, 2012
My Linksys E3200 has no wireless access to the internet. Wireless devices show they are connecting to the router, but cannot access the internet.
The router had worked fine until suddenly no internet access. Mac network diagnostics show that the connections are correct until the ISP and Internet which show either yellow or red.
The router's homepage shows no changes in configuration. Ethernet connection works fine.
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Jan 14, 2013
Region : UnitedStates
Model : TL-WR941ND
Hardware Version : V3
Firmware Version : 3.13.9 Build 120201 Rel.54965n
ISP : TDS
Currently I am using 2 WA5210Gs and a WR941ND to send my wireless connection from one home to another. The original home utilizes a TDS DSL modem/router combo. Everything works great, but then generally withing 24 hours I will randomly drop my internet connection in the second home, but the network is still up and running strong. The modem is not the problem, because I am able to grab a faint signal from the WA5210G AP connected to the modem and access the internet, and the client WA5210G AP is running at full signal. If I power down the router and restart it, the problem is fixed, but happens again within 24 hours. Originally I changed the IP on the WR941 thinking it was an IP conflict with the modem/router, but the problem occurred again. I also tried switching to unicast DHCP, but the problem still persisted. I looked for a firmware update, but couldn't find a newer version..
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Feb 3, 2013
Having several issues w my E1200. For quite some time I have had intermittent loss of internet connection. This was somewhat true even before I got a wifi router. & it has continued. Recently it has been even worse & I'm not sure if it is my isp, my cable modem or the router. ISP came out & checked & said signals looked ok, although modem is old.Now i find out that the version of Cisco Connect that i had been using is incompatible w Mountain Lion so it won't work now. & newly downloaded dmg files say they are damaged (or that app has been modified or damaged--I'm not in a position to tell which but same results after I downloaded a 2nd time).
I have been having more frequent loss of internet connection at home. & when I click on the wifi icon to check, it shows it looking for networks. Also it has not been uncommon to see that it has switched to my guest network.Why would it switch to my guest network? What is the difference between the 2 besides the fact that I guess the guest network doesn't have access to everything on my regular network (which right now is only my iPhone, but may get wireless printer).Also when it shows the lists of networks that it "sees" my guest network does not show a padlock icon so what does that mean? It does have the default password.
Also because I had no idea that Cisco Connect was not compatible w Mountain Lion I didn't even think to check for upgrades before I upgraded to Mountain Lion & now I can't open Cisco Connect. Shows unsupoprted OS. & I'm also stalled trying to update the firmware for the router.I'm really beginning to see why it was cheaper than an Apple Airport Express. Even at a very low hourly rate, the lost time spent when this has not been working right has not been worth what I saved on the purchase price.
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Mar 6, 2011
Is it normal to have packet losses of between 2 and 6% when using wireless. Laptop is running Vista Home premium. Internet is DSL light Router is Netgear WNR834B. Signal strength is good
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Mar 9, 2013
I've tried all sorts of settings, and I'm still holding out that its a setting possibly, but I have a E3500 and devices on both 5Ghz and 2.4Ghz... Most of them, probably when idle, seem to stop working over WIfi. They still have decent connection, but every internet related request just times out. Disable and reinable the wifi and it works great again.
Could this be defective wifi radios? or could it really be interference? I have it happening on multiple devices. Also, I'm not far away from the router when it occurs, and when I reconnect, it seems to work just fine for a while. Basically the big problem is on the cell phones and tablets because I'll miss notifications... I'll turn off the wifi and turn it back on when I use the device next, then a flood of notifications will come in. Again, it's not just a phone thing, tablets and laptops have the same problem, that's just the main reason I want it fixed.
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May 28, 2012
I have an E1200 and am time out and packet loss issues. The internet connection is fine for 30 seconds to five minuets and then everything times out for 15-20 seconds. Although it’s only a minor incontinence to web browsing, it makes playing games and watching videos a nightmare. “Lost connection to server error.” and the like…
I upgraded to a new router, the e1200 I am currently using, from my Tenda 10/100 N. The problems where the same that I am experience currently and the reason I bought it in the firs place.When I directly connect to the cable modem, I have no issues and everything is fine.I have run a trace route and the second hop, (the router to the modem) is the choke point.I have cloned the MAC address.I have updated the firmware and hard reset
I have throttled my MTU to automatic, 1500, and 1472. None making any difference.I have disabled NAT and all that does is kill my internet connection.I have disabled all firewalls router and windows, no change.I replaced the physical wire from the router to the modem.I have disconnected all devices except one computer, and no difference.I ran a DNS trace and I have… non routable local internet address 192.168.1.1 DNS-cac-lb-01.rr.com and DNS-cac-lb-02.rr.com.I am using windows 7 and my ISP is time Warner so-cal.
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Feb 25, 2013
They have an ASA-5510 with version 8.2(5). They just upgraded their Internet bandwidth to 30 Mb both ways.If we do a speed test in front of the ASA, we get 28 Mb/s upload and download, with a ping of about 5 to 10 ms.If we go behind the ASA, the download is about the same, the upload is decreased to about 12 Mb/s and the ping goes to 260 ms The license is base, there are no additionnal function added to the firewall (no IPS). I've check the speed and duplex and everything is fine.There are no drops on the interfaces or rules of the firewall, no drops on the Interface of the ISP router either. All interfaces are configured at 100Mb full duplex.I saw a couple of discussions on this in the forums, but they don't seem to come up with anything and they look like they end in the middle of the whole story, like once the problem is solved, they don't update their discussion.
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Mar 10, 2011
Product: Linksys Wireless-G Broadband Router WRT54G
Version: 6
Firmware: Has Been Updated
I am directly connected to my router. Lately, I have been receiving high latency spikes and total loss of internet. The problem must be related to my router, because when I connect to the internet through my modem I don't have this problem.
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Apr 14, 2012
Lately I encountered random Internet connection issues?My router is a Netgear Wireless ADSL Firewall Modem Router DG834 (Firmware V1.05.0) and my ISP, isn't the most reliable regarding bandwidth... All clients (max 3 at the same time) connect wireless.The problem is that the last few weeks my connections is very unstable, all clients lose the internet connection until you restart the router manually.I can't even connect to the webinterface (192.168.0.1), during the downtimes.
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Mar 17, 2013
I currently have Nexus 5596 pair with VPC peer link Po1 between them. My goal is to connect our new Nexus 7Ks to the 5K's using Fabric Path. My question is during this inital setup with the 7K's. Can I use the same port channel number on the 7K's as I did the 5K's? Is the port channel locally significat?
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Jan 26, 2011
I support a small business with 6 computers(XP) wired networked to a Cisco router and connected to an ADSL WAN. For over a year now they have experienced an overnight loss of Internet connectivity requiring the router to be rebooted almost every morning. We thought it was a fault router so we replaced this with a good Cisco router, but the problem persisted. We got Cisco involved and they monitored it without finding fault, but they replaced it anyway. We also replaced our ISP but all without avail. I use a combination of pc.Any where and Log mein to support them over the web. The strange thing is that I am always able to connect to their system, but when the fault is apparent, I can't get web access to their router internally or externally and they can't get Internet or e-mail access. The router is my DHCP server and each PC is DHCP mapped in it. Cisco have looked at all the settings of the router and they say they are good.
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Aug 13, 2012
I just upgraded my internet plan over the phone from 10mbps to 20mbps + WiFi. Now my connection speed is slower then it was before.
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Oct 25, 2011
While I am connected to the internet, whether surfing the web or playing a game, I randomly get disconnected with a "No Network Connection" error on the network access icon on my toolbar. However, other computers that are networked (both wireless and wired) do not receive a disturbance in the connection. When I refresh or look for a new connection, I continue to get the same error and the troubleshooting tools fails to find a fix. The only way this seems to fix is rebooting the computer. Sometimes it happens multiple times in a row, but consistently happens between 1-2 times a day.I don't know if this is a coincidence or not, but it seems to happen when I'm doing stuff that could "stress" the connection, like downloading something or running a game while also browsing the web[CODE]
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May 12, 2012
While playing the online game League of legends i suddenly lost internet connection. when loading pages some will not connect and I'll get a message saying I'm not connected and should try reloading, refreshing the page usually fixes the problem, occasionally multiple refreshes are necessary. I've never had this problem before and it's rather inconvenient for me as I need internet access for university.
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Nov 22, 2011
I keep losing connections to the internet and getting a couple of different messages that the Gateway IP address is invalid. There are times it happens every few minutes and other times I can go for a couple of days without it. Also, we have to have satellite internet which has such an inconsistent speed. Is it the internet speed inconsistency or the 4 year old Belkin N Router?OK, so I tried to copy the information from the CMD window, but I can't get it to work. After I got the information and right clicked and clicked "select all" then what. I couldn't copy it. I can't find my way back to the instructions.
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Jul 27, 2012
For the past day or so I have been having problems with my internet connection to my PC. It has been working fine for a few hours, then it suddenly goes down for up to 30 minutes, with sporadic (lasting about 30 seconds) reconnection during that 30 minute period.I am pretty certain this is a computer related issue (as opposed to a problem with the modem), as none of the other computers in the household. (Ihave been affected, and neither has the wifi (I have browsed on my phone while the internet on my computer was down, in fact am currently writing this post on the wifi while my computer has no access)My computers specs (Taken from the sys info program when I regained connection for a short while) [code] Steps I have already taken in an attempt to solve this problem
1. Reset modem (turned it off and back on again)
2. Ran most of a virus scan in both macafee and avg (they both got to about 85% and by that point were just scanning steam stuff
3. Talked to a verizon tech, confirmed it is most likely not a modem problem (he didnt know what the problem was however)
4. Changed out the ethernet cable, the new one works no better than the original
Additional note: Earlier today (after these problems had begun) I was downloading the latest version of hamachi from a site soft32.com when I recieved a trojan warning from macafee. I immediatly stopped the download, restarted my computer and began scanning with both AVG and Macafee, neither found anything of note (AVG found something it labeled a hidden directly, I looked it up and it seems harmless)
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Jul 17, 2012
I've been having a problem for a while now wherein my internet connection seems to randomly drop for anywhere from ten seconds to a minute, then come back online. It's been doing this over the lifespan of one router, and continued into the life of this new one I have, which is a WNDR3700v3 Netgear.
I called my ISP and they fiddled around with things on my computer, but the issue is still going on. Rather than slog through another three hours with them, does anyone here have any tips for what I might look into for the cause?
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Apr 21, 2013
My problem is that i have a packet loss of like 2% to 6%, which is a lot considering that i play a lot of Online games, causing lag spikes and net frozes.I will say all the information i can about my pc.My PC hardware hasn't been modified, so the manufactor page ( ) tells what is installed in my pc.About software, i need to find if this problem is software-based, my AV is Microsoft Security Essentials and i use MalwareBytes too.About how im connected, im connected via Wireless to a router. (dunno model, i just know its a encore router)
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May 20, 2012
I have cisco 1310 bridge with IOS version Version 12.3(7)JA5. Sometimes bridges are disconnecting by showing the following error message.
*Mar 1 01:22:21.856: %DOT11-6-DISASSOC: Interface Dot11Radio0, Deauthenticating Station 003a.99eb.cc00 Reason: Previous authentication no longer valid
*Mar 1 01:22:22.115: %DOT11-4-MAXRETRIES: Packet to client 003a.99eb.cc00 reached max retries, removing the client
[Code]....
Once it is deassossiated, ihave to manually restart the bridges. How can avoid manual restarting so it would automatically associate after some time.
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Apr 22, 2011
My internet connection has suddenly turned really slow and pingtest.net tells me I have severe packet loss, which makes sense as nothing will stream or load properly. I'm running Mozilla Firefox (newest version) and have tried all the usual diagnostics and resetting everything?
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Jun 27, 2011
Hardware: DIR-615 @ 3.11NA firmware
Wired:
PC windows 7
PS3
Wireless:
1 DELL windows 7
2 HP windows 7 (HPa and HPb)
3 smartphones
Description:Everything wired always works, the dell wireless always works and HPa always works along with all of the cell phones. HPb will connect to the router always, as in it see's the router and connects using AES security. For between 15-30 minutes everything will work correctly, transfer speeds are fast and everything is working. For no reason the laptop will lose "Internet connection" only, NOT the connection to the router. But all of the over devices continue to work correctly, so i know the router has internet connected.i would have to disconnect from the router and reconnect and that gives me another 15-30 minutes of connection. I have checked a load of stuff, but i cannot figure it out. Here is a netBIOS
C:UsersCat>NBTSTAT -n
Local Area Connection:
Node IpAddress: [0.0.0.0] Scope Id: []
No names in cache
Wireless Network Connection:
Node IpAddress: [192.168.0.15] Scope Id: []
[code]....
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Sep 21, 2012
Yesterday (Friday, September 21, 2012), my Internet connection started acting up. After some testing, I confirmed a very specific and baffling set of symptoms: Internet connection goes away every 25-35 minutes (I did not confirm the exact interval, but it seems to be about 30 mins.)Only some protocols are affected; HTTP*, P2P, etc. stop working; FTP, etc. continue to work When it’s stopped, cannot even ping router or cable-modem IPs or view their firmware pages Domain-names and IPs are irrelevant (for protocols that stop working, neither work, for those that still work, both work)Resetting router fixes it for another 30 minutes Keeping the connection idle or active doesn’t seem to make a difference (nor the bandwidth usage in that period)Connecting directly to cable-modem allows it to work indefinitely Disconnecting the router from the cable-modem works indefinitely (no Internet connection obviously, but can still access router IP and firmware page)Connecting the router to the cable-modem, but putting the modem on standby also works indefinitelySame problem with both a wireless laptop and wired (on any port) desktop (both Windows 7; will try to test Windows XP when possible)Nothing had changed in the days leading up to the issue. No modifications to the networking configuration or the router; there were not even any Windows updates except for an MSSE definition update.Waiting does not fix it, nor does any amount of fiddling with anything; only resetting the router fixes it for 30 minutes (resetting the cable-modem doesn't work either)if I keep pressing the standby button on the cablemodem after browsing some pages, the connection works indefinitely (If I press the button to restore the connection, browse some pages, press the button again to cut the connection, it works fine for hours and hours without issue. Only when I leave it active for a while does it finally stop. I repeated this for three days with the same results.)I tried cleaning the pins in the router’s plugs, but that didn’t work, which was not really a surprise since I was not getting a lost connection error.
Obviously my first thought was that the router was having a problem, and this is borne out by some tests. The problem is that when it drops, it is not a full drop since I can still do things like ftp ftp.mcafee.com and such which means that the connection and DNS are still working. Moreover, if it were the router, then why does it stay alive indefinitely when not connected to the cable-modem (i.e., no outside influence)?
The problem doesn't seem to be either the cable-modem nor the router, but rather an interaction between the two, like something from the outside (port scan? hacker? ISP?) that is triggering a problem in the router. I see that there have been a couple of vulnerabilities for the DI-524, but those were a while back and should be fixed since I have the last firmware for it.
I don’t think it’s my ISP (Rogers) since I have been using the router for several years without problem and can connect indefinitely when bypassing it. But I can’t rule them out since that is one of the only possible things that could have suddenly changed.
(I note that when I opened the router, I heard a very high-pitched noise from somewhere near the capacitors/ferrite ring which I don’t think I heard the last time I opened it a few years ago, but then if it were that, then why would it affect only a very small, specific set of functions?)
Update:Last week, my Internet connection dropped out for two days. I called the ISP and they had me bring the cable-modem in to be replaced. I exchanged the SB5100 for a new cable-modem that has a built-in router with wireless AP and firewall. (I left it in gateway mode instead of bridge mode.)This morning it started behaving just like the old router. Most protocols continued to work (mail, P2P, NTP, etc.) but web-browsing (HTTP) was dead; I could not even connect to the cable-router’s web-interface. I rebooted the cable-router and HTTP functionality was restored; exactly like the previous router.
I find it highly unlikely that this could be a coincidence or related to the router itself since the new one is literally brand-spanking-new (bagged, twist-ties, in a box, with that new-plastic smell, etc.), and completely different from the old one (the new one is an ISP-branded model labeled “Hitron” while the old one was a D-Link DI-524).
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Apr 18, 2011
I just recently purchased a Cisco ASA 5505 ASA ver 8.2. I run a teamspeak server/ssh/dns and domain on the same server on the network. Before I switched to the asa, I have a regular DGL-4100 that ran with no issues. I have noticed that the connections are very unstable and disconnect frequently and when they do they take 1 to 5 minutes to be able to reconnect. I have done some cisco IOS but am fairly new to this. [code]
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Nov 17, 2011
Is there any significance to the parameter "firewall-group" in the command
firewall vlan-group <firewall-group> <vlan-id>…<vlan-id>?
In other words is the series of commands
firewall switch 1 module 3 vlan-group 1,2
firewall vlan-group 1 100,101,102
firewall vlan-group 2 200,201,202
exactly equivalent to
firewall switch 1 module 3 vlan-group 3
firewall vlan-group 3 100,101,102,200,201,202
or
firewall switch 1 module 3 vlan-group 1,2,3
firewall vlan-group 1 100,200
firewall vlan-group 2 101,201
firewall vlan-group 3 102,202
All three of these options associate the same set of vlans to the FWSM but using different groupings. As far as I can tell, these groupings have no functional significance either on the switch side or the FWSM side. These are simply three different ways of specifying exactly the same thing? Am I correct?
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Mar 18, 2013
I recently updated my NVIDIA nForce 10/100/1000 mbps ethernet driver and now my computer wont connect to the internet. In fact, it doesnt even acknowledge that the ethernet chord is plugged in. I am running windows 7 and have had no problems for years now. Since ive had my PC for so long I decided it was time to update, now im at a loss of what to do. I am currently using my laptop to submit this post, as my PC is not a wifi enabled device. I recall having this problem back when I first had this computer made and found a resolution online, (cant seem to find the same site i used back then.) I recall that it had something to do with me using the command prompt. While i have been looking for an answer, I have tried the following with no avail:
Reset IPv4 TCP/IP stack to installation defaults. netsh int ipv4 reset reset.log press enter
Reset IPv6 TCP/IP stack to installation defaults. netsh int ipv6 reset reset.log press enter
Reset WINSOCK entries to installation defaults: netsh winsock reset catalog press enter
Restart the computer after.
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Jan 10, 2012
I am having wireless connection/internet issues that are irritating me to the core!!! I have called tech support 4 times now, and I still can't get everything to play nice...I have the 655 set up as a wireless router to a Windows 7 laptop, one iPad, two iTouches, and one N3DS. I can't find a setting that will work with all devices. Here are the senarios...
1) Settings: Wireless enabled, 802.11n only, Auto Scan off-channel set to 1, Best Transmission rate, Channel Width Auto 20/40, Visible, Auto WPA Mode with AES Cipher and a pre-share key. This yields fantastic results with my laptop, it can stream video for entire episodes, and I have no problems with loading webpages in either IE or Firefox. However, it does not support the kids iTouches or N3DS.
2) Changed the above to mixed 802.11n/g AND ALSO tried 802.11 only: iTouches work and can connect to the internet, but laptop doesn't like it. I get "Problem loading webpage" every other time I access and website, and streaming stop every 5-6 minutes. Bars indicate wireless signal is strong, but intermittently get that yellow triangle.
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