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Download speeds fine, trouble connecting to websites


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#1 pennvic

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Posted 14 April 2014 - 01:11 PM

For the past week I have been having issues trying to connect to websites (on Chrome) with my Comcast Wifi.

 

All my devices (2 Tablets, 2 Phones, Laptop, and Desktop, XBox360) have been having this problem.  When I am able to use Speedtest.net I am getting 10-20 Mbps download speeds.  I was able to stream The Masters app on my tablet all weekend long.  I am able to stream HBOGo on my Xbox.

 

However, when I try to connect to websites with chrome about 80% of the time I am getting Timed Out responses.

 

I exchanged my gateway for a new one this weekend but still have been experiencing the same problem.  

 

I have tried using Google's DNS servers to no avail as well.  When trying to ping google.com I get the following:

 

ping google.com
Ping request could not find host google.com Please check the name and try again.
 
Yet when I ping to an IP address I get a response:
 
ping 8.8.8.8
 
Pinging 8.8.8.8 with 32 bytes of data:
Reply from 8.8.8.8: bytes=32 time=134ms TTL=36
Reply from 8.8.8.8: bytes=32 time=136ms TTL=36
Reply from 8.8.8.8: bytes=32 time=118ms TTL=36
Reply from 8.8.8.8: bytes=32 time=129ms TTL=36
 
Ping statistics for 8.8.8.8:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 118ms, Maximum = 136ms, Average = 129ms
 
 

When I am connected to my mobile hotspot (through Tmobile) everything works fine.  

 

If there is any other troubleshooting I can try I would appreciate it.



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#2 Kilroy

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Posted 15 April 2014 - 09:48 AM

Try resetting your router.  You may need to change the DHCP settings on the router to use Google DNS instead of the router.



#3 pennvic

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Posted 15 April 2014 - 10:23 AM

Thanks for the response.

 

I have the router/modem combo supplied by Comcast.

 

I have reset it, gone through a power cycle, and ultimately exchanged it.  After it initially working after exchanging it, it worked for a couple of hours but is now back to the same problem.

 

Additionally, I have tried using the Google DNS servers but am experiencing the same result.  Please see below:

 

ipconfig /all
 
Windows IP Configuration
 
   Host Name . . . . . . . . . . . . : -PC
   Primary Dns Suffix  . . . . . . . :
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : hsd1.va.comcast.net.
 
Wireless LAN adapter Wireless Network Connection 3:
 
   Connection-specific DNS Suffix  . : hsd1.va.comcast.net.
   Description . . . . . . . . . . . : TP-LINK 300Mbps Wireless N Adapter
   Physical Address. . . . . . . . . : C0-4A-00-39-7D-66
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   IPv6 Address. . . . . . . . . . . : 2601:a:4f00:1ea:f89b:dc72:a335:e98(Prefer
red)
   Temporary IPv6 Address. . . . . . : 2601:a:4f00:1ea:7ce2:f95f:50e4:3b76(Prefe
rred)
   Link-local IPv6 Address . . . . . : fe80::f89b:dc72:a335:e98%16(Preferred)
   IPv4 Address. . . . . . . . . . . : 10.0.0.2(Preferred)
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Lease Obtained. . . . . . . . . . : Tuesday, April 15, 2014 11:07:31 AM
   Lease Expires . . . . . . . . . . : Tuesday, April 22, 2014 11:07:31 AM
   Default Gateway . . . . . . . . . : fe80::2273:55ff:fe8d:3db1%16
                                       10.0.0.1
   DHCP Server . . . . . . . . . . . : 10.0.0.1
   DHCPv6 IAID . . . . . . . . . . . : 284741905
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-AC-27-3D-C8-60-00-CC-9F-E0
 
   DNS Servers . . . . . . . . . . . : 8.8.8.8
                                       8.8.4.4
   NetBIOS over Tcpip. . . . . . . . : Enabled
 
Ethernet adapter Local Area Connection:
 
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
   Physical Address. . . . . . . . . : C8-60-00-CC-9F-E0
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
 
Tunnel adapter isatap.{8286B37F-2A2E-4C1C-99CB-473C0ADDA9C2}:
 
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
 
Tunnel adapter isatap.hsd1.va.comcast.net.:
 
   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . : hsd1.va.comcast.net.
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
 
Tunnel adapter Teredo Tunneling Pseudo-Interface:
 
   Connection-specific DNS Suffix  . :
   Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes
   IPv6 Address. . . . . . . . . . . : 2001:0:9d38:6abd:2c3e:2912:f5ff:fffd(Pref
erred)
   Link-local IPv6 Address . . . . . : fe80::2c3e:2912:f5ff:fffd%13(Preferred)
   Default Gateway . . . . . . . . . :
   NetBIOS over Tcpip. . . . . . . . : Disabled
 
ping google.com

Ping request could not find host google.com. Please check the name and try again 



#4 Sneakycyber

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Posted 17 April 2014 - 09:25 PM

After changing your DNS refresh your cache. Under an elevated command prompt type: ipconfig /flushdns then ipconfig /registerdns. Try your ping again. If you get no response type nslookup at the command prompt and make sure the address matches what you have entered.
Chad Mockensturm 
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Certified CompTia Network +, A +

#5 pennvic

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Posted 18 April 2014 - 08:42 AM

Thanks for the response. Unfortunately that didn't work either.

 

Microsoft Windows [Version 6.1.7601]
Copyright © 2009 Microsoft Corporation.  All rights reserved.
 
C:\Windows\system32>ipconfig /flushdns
 
Windows IP Configuration
 
Successfully flushed the DNS Resolver Cache.
 
C:\Windows\system32>ipconfig /registerdns
 
Windows IP Configuration
 
Registration of the DNS resource records for all adapters of this computer has b
een initiated. Any errors will be reported in the Event Viewer in 15 minutes.
 
C:\Windows\system32>ping google.com
Ping request could not find host google.com. Please check the name and try again
.
 
C:\Windows\system32>nslookup
Default Server:  cdns01.comcast.net
Address:  2001:558:feed::1
 
>
 
Looking at the Event Viewer I got the following warning:
 
Log Name:      System
Source:        Microsoft-Windows-DNS-Client
Date:          4/18/2014 9:36:57 AM
Event ID:      1014
Task Category: None
Level:         Warning
Keywords:      
User:          NETWORK SERVICE
Computer:      -PC
Description:
Name resolution for the name google.com timed out after none of the configured DNS servers responded.
Event Xml:
  <System>
    <Provider Name="Microsoft-Windows-DNS-Client" Guid="{1C95126E-7EEA-49A9-A3FE-A378B03DDB4D}" />
    <EventID>1014</EventID>
    <Version>0</Version>
    <Level>3</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x4000000000000000</Keywords>
    <TimeCreated SystemTime="2014-04-18T13:36:57.706519300Z" />
    <EventRecordID>188748</EventRecordID>
    <Correlation />
    <Execution ProcessID="1304" ThreadID="11052" />
    <Channel>System</Channel>
    <Computer>-PC</Computer>
    <Security UserID="S-1-5-20" />
  </System>
  <EventData>
    <Data Name="QueryName">google.com</Data>
    <Data Name="AddressLength">16</Data>
    <Data Name="Address">020000354B4B4C4C0000000000000000</Data>
  </EventData>
</Event>


#6 Queen-Evie

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Posted 18 April 2014 - 10:14 AM

Have you tried a different browser to see if the same thing happens? Whatever happens with a different browser may not mean anything but it's something to try.



#7 pennvic

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Posted 18 April 2014 - 10:22 AM

Have you tried a different browser to see if the same thing happens? Whatever happens with a different browser may not mean anything but it's something to try.

Thanks for the response.

 

Yea I have tried using Firefox, Chrome, and IE.  All the same.  The past few days I haven't had the issue on any of the other devices except my desktop.  I ran Malywarebytes, ComboFix, TDSSKiller, etc. with no virus issue arising.  Someone on sevenforums suggested it is Comcast's hardware since everything was fine when connected to my TMobile Hotspot.  Has anyone else seen this problem?

 

"This is a common handshake problem between certain types of network interface devices and Comcast's second rate hardware. 

This issue has come up many many times with the only resolution being to dump the Comcast modem/router and purchase a dedicated modem and a third party router. 

This is why your particular machine only seems to be reliable when it's connected to other sources."



#8 Queen-Evie

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Posted 18 April 2014 - 10:54 AM

It is possible that the cause could be Comcast hardware. Those gateways generate a lot of complaints.

 

I do have a suggestion for you.

 

Post in the Comcast Help Forums. If nothing else, your issue can be escalated to the forum administrator who can set the wheels in motion for a resolution.
 
Those Forums are provided to Comcast customers, and are a great resource for vendor specific issues. There are Forums for computer issues, email issues, security, internet, cable tv, CDV, billing, and customer service.

Many times we, the users there, can provide answers tech support and customer service can't.
 
We do have connection experts who may be able to help you.
 
Click the link below. The forum landing page will open.
 
Click Sign In. Log in with your Comcast user ID (the part before .net) and your password.
 
You will next see a first time forum users page, asking you to choose a screen name for use in the Forums. Once you set that up, you'll be taken back to the landing page. PLEASE DO NOT USE YOUR COMCAST EMAIL NAME FOR YOUR FORUM USER NAME.
http://forums.comcast.com/
 
Before posting, take a moment to read the Posting Guidelines. The link is on the top right hand side of the page.
 
Then choose the appropriate board to post in.
 
One thing to be aware of: By default you will be notified via email every time someone replies to a topic you have started or replied in. If you do not wish to receive the notifications you can disable them by clicking My Settings/Subscriptions & Bookmarks tab. Uncheck the box next to Automatically subscribe me to topics I participate in. Scroll down and click Save.
 

DO NOT USE THE UNSUBSCRIBE LINK IN THE REPLY NOTIFICATION EMAIL. Due to a quirk with Lithium, the forum provider, if you use the link it severs the connection between your forum user name and the email address you sign in with.

Result: your forum account no longer exists in the database and it tells you that you are banned.
(Once you get to the forum, save the page to your favorites/bookmarks. If you want to get to it from the Comcast home page, you have to jump through hoops to reach it)
 

If you have any questions about the Comcast forum you can ask me here or there. My Comcast forum user name is the same one I use here.


Edited by Queen-Evie, 18 April 2014 - 10:56 AM.


#9 pennvic

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Posted 18 April 2014 - 11:42 AM

Yea...I actually posted there first with no response.  I can try again with the new info I have.  Thanks.



#10 Queen-Evie

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Posted 18 April 2014 - 06:57 PM

I saw your second post at Comcast. I put out an SOS call to the connection experts.
Hopefully it won't take to long for one of them to respond.

#11 pennvic

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Posted 21 April 2014 - 08:23 AM

Thank you very much for your help.






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