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IE7 loses connection to SOME sites

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  #1 (permalink)  
Old 09-23-2008
mwann
 

Posts: n/a
IE7 loses connection to SOME sites
Hello,

Until one/two months ago, my Vista machine was working perfectly. Suddenly
the machine started loosing its ability to access SOME web pages with IE7, to
download emails with Windows Mail, and to update SOME of the software
installed. The only way to get it to work again is to restart the machine.
Then, the Internet will be fine for 2~6 hours and the IE7 losses the access
to SOME (NOT ALL) sites again.

During these periods of “faulty Internet access” I CAN ping and tracert web
sites I cannot access with IE. Some sites, randomly, can even be accessed by
IE. Vista network connection is presented as Internet.

Since I have not installed new software and malwares have not infected the
machine, I tried to narrow down the possibilities. Removed AV and Firewall
software and performed a clean boot. Nothing. My Internet connection still
dropping every 4 hours or so.

I have a Motorola 5101i Cable Modem, a RT31P2 Linksys VoIP router and a
WRT54G Linksys wireless router. If I connect directly to the Cable Modem, the
problem remains. Lease time for the WRT54G is 24 hours. I have tried to use
fixed IP and DHCP in both routers, wireless and wired connections, connect to
the RT31P2, and the problem remains.

Just one more thing, a XP machine does not face any problem using the same
network.

Thanks in advance.
Mauricio

Follows a capture with Microsoft Network Monitor 3.1 when the problem occurs.

Frame:
- WiFi: [Encrypted Data] F....E, (I)
- MetaData:
Version: 2 (0x2)
Length: 32 (0x20)
- OpMode: Extensible Station Mode
StationMode: (...............................0) Not Station
Mode
APMode: (..............................0.) Not AP Mode
ExtensibleStationMode: (.............................1..) Extensible
Station Mode
Unused: (.0000000000000000000000000000...)
MonitorMode: (0...............................) Monitor Mode
Flags: 0 (0x0)
PhyType: Undefined Value (0)
Channel: 9
lRSSI: -34 dBm
Rate: 54 Mbps
TimeStamp: 09/08/2008, 09:27:18
- FrameControl: F....E (0x0842)
Version: (..............00) 0
Type: (............10..) Data
SubType: (........0000....) Data
DS: (......10........) DS to STA via AP
MoreFrag: (.....0..........) No
Retransmission: (....0...........) No
PowerMgt: (...0............) Active Mode
MoreData: (..0.............) No
Encrypted: (.1..............) Yes
Order: (0...............) Unordered
- Data:
Duration: 44 (0x2C)
+ APToClient:
- WiFiPayload:
WMM:
- LLC: Unnumbered(U) Frame, Command Frame, SSAP = SNAP(Sub-Network Access
Protocol), DSAP = SNAP(Sub-Network Access Protocol)
- DSAP: SNAP(Sub-Network Access Protocol), Individual DSAP
Address: (1010101.) SNAP(Sub-Network Access Protocol)
IG: (.......0) Individual Address
- SSAP: SNAP(Sub-Network Access Protocol), Command
Address: (1010101.) SNAP(Sub-Network Access Protocol)
CR: (.......0) Command Frame
- Unnumbered: UI - Unnumbered Information
MMM: (000.....) 0
PF: (...0....) Poll Bit - No Response Solicited
MM: (....00..)
Type: (......11) Unnumbered(U) Frame
- Snap: EtherType = Internet IP (IPv4), OrgCode = XEROX CORPORATION
OrganizationCode: XEROX CORPORATION, 0(0x0000)
EtherType: Internet IP (IPv4), 2048(0x0800)
- Ipv4: Next Protocol = TCP, Packet ID = 0, Total IP Length = 40
- Versions: IPv4, Internet Protocol; Header Length = 20
Version: (0100....) IPv4, Internet Protocol
HeaderLength: (....0101) 20 bytes (0x5)
- DifferentiatedServicesField: DSCP: 0, ECN: 0
DSCP: (000000..) Differentiated services codepoint 0
ECT: (......0.) ECN-Capable Transport not set
CE: (.......0) ECN-CE not set
TotalLength: 40 (0x28)
Identification: 0 (0x0)
- FragmentFlags: 16384 (0x4000)
Reserved: (0...............)
DF: (.1..............) Do not fragment
MF: (..0.............) This is the last fragment
Offset: (...0000000000000) 0
TimeToLive: 57 (0x39)
NextProtocol: TCP, 6(0x6)
Checksum: 44784 (0xAEF0)
SourceAddress: 200.98.249.120
DestinationAddress: 192.160.16.100
- Tcp: Flags=..R....., SrcPort=HTTP(80), DstPort=50596, Len=0,
Seq=2628929521, Ack=0, Win=0 (scale factor not found)
SrcPort: HTTP(80)
DstPort: 50596
SequenceNumber: 2628929521 (0x9CB247F1)
AcknowledgementNumber: 0 (0x0)
- DataOffset: 80 (0x50)
DataOffset: (0101....) (20 bytes)
Reserved: (....000.)
NS: (.......0) Nonce Sum not significant
- Flags: ..R.....
CWR: (0.......) CWR not significant
ECE: (.0......) ECN-Echo not significant
Urgent: (..0.....) Not Urgent Data
Ack: (...0....) Acknowledgement field not significant
Push: (....0...) No Push Function
Reset: (.....1..) Reset
Syn: (......0.) Not Synchronize sequence numbers
Fin: (.......0) Not End of data
Window: 0 (scale factor not found)
Checksum: 29288 (0x7268)
UrgentPointer: 0 (0x0)
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  #2 (permalink)  
Old 09-24-2008
Robert L. \(MS-MVP\)
 

Posts: n/a
Re: IE7 loses connection to SOME sites
Clean the cache, cookies, history, temp files. Or this search result may
help.
Vista Internet Access Issues
I just upgraded to vista and I never had this problem with XP. I've
always been able to connect to the internet using my router or directly
connected . ...
www.chicagotech.net/vista/vistaieissues.htm


--
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com
"mwann" <mwann@discussions.microsoft.com> wrote in message
news:6874CFC8-9E23-457C-9758-2788D741284C@microsoft.com...
> Hello,
>
> Until one/two months ago, my Vista machine was working perfectly. Suddenly
> the machine started loosing its ability to access SOME web pages with IE7,
> to
> download emails with Windows Mail, and to update SOME of the software
> installed. The only way to get it to work again is to restart the machine.
> Then, the Internet will be fine for 2~6 hours and the IE7 losses the
> access
> to SOME (NOT ALL) sites again.
>
> During these periods of “faulty Internet access” I CAN ping and tracert
> web
> sites I cannot access with IE. Some sites, randomly, can even be accessed
> by
> IE. Vista network connection is presented as Internet.
>
> Since I have not installed new software and malwares have not infected the
> machine, I tried to narrow down the possibilities. Removed AV and Firewall
> software and performed a clean boot. Nothing. My Internet connection still
> dropping every 4 hours or so.
>
> I have a Motorola 5101i Cable Modem, a RT31P2 Linksys VoIP router and a
> WRT54G Linksys wireless router. If I connect directly to the Cable Modem,
> the
> problem remains. Lease time for the WRT54G is 24 hours. I have tried to
> use
> fixed IP and DHCP in both routers, wireless and wired connections, connect
> to
> the RT31P2, and the problem remains.
>
> Just one more thing, a XP machine does not face any problem using the same
> network.
>
> Thanks in advance.
> Mauricio
>
> Follows a capture with Microsoft Network Monitor 3.1 when the problem
> occurs.
>
> Frame:
> - WiFi: [Encrypted Data] F....E, (I)
> - MetaData:
> Version: 2 (0x2)
> Length: 32 (0x20)
> - OpMode: Extensible Station Mode
> StationMode: (...............................0) Not Station
> Mode
> APMode: (..............................0.) Not AP Mode
> ExtensibleStationMode: (.............................1..) Extensible
> Station Mode
> Unused: (.0000000000000000000000000000...)
> MonitorMode: (0...............................) Monitor
> Mode
> Flags: 0 (0x0)
> PhyType: Undefined Value (0)
> Channel: 9
> lRSSI: -34 dBm
> Rate: 54 Mbps
> TimeStamp: 09/08/2008, 09:27:18
> - FrameControl: F....E (0x0842)
> Version: (..............00) 0
> Type: (............10..) Data
> SubType: (........0000....) Data
> DS: (......10........) DS to STA via AP
> MoreFrag: (.....0..........) No
> Retransmission: (....0...........) No
> PowerMgt: (...0............) Active Mode
> MoreData: (..0.............) No
> Encrypted: (.1..............) Yes
> Order: (0...............) Unordered
> - Data:
> Duration: 44 (0x2C)
> + APToClient:
> - WiFiPayload:
> WMM:
> - LLC: Unnumbered(U) Frame, Command Frame, SSAP = SNAP(Sub-Network Access
> Protocol), DSAP = SNAP(Sub-Network Access Protocol)
> - DSAP: SNAP(Sub-Network Access Protocol), Individual DSAP
> Address: (1010101.) SNAP(Sub-Network Access Protocol)
> IG: (.......0) Individual Address
> - SSAP: SNAP(Sub-Network Access Protocol), Command
> Address: (1010101.) SNAP(Sub-Network Access Protocol)
> CR: (.......0) Command Frame
> - Unnumbered: UI - Unnumbered Information
> MMM: (000.....) 0
> PF: (...0....) Poll Bit - No Response Solicited
> MM: (....00..)
> Type: (......11) Unnumbered(U) Frame
> - Snap: EtherType = Internet IP (IPv4), OrgCode = XEROX CORPORATION
> OrganizationCode: XEROX CORPORATION, 0(0x0000)
> EtherType: Internet IP (IPv4), 2048(0x0800)
> - Ipv4: Next Protocol = TCP, Packet ID = 0, Total IP Length = 40
> - Versions: IPv4, Internet Protocol; Header Length = 20
> Version: (0100....) IPv4, Internet Protocol
> HeaderLength: (....0101) 20 bytes (0x5)
> - DifferentiatedServicesField: DSCP: 0, ECN: 0
> DSCP: (000000..) Differentiated services codepoint 0
> ECT: (......0.) ECN-Capable Transport not set
> CE: (.......0) ECN-CE not set
> TotalLength: 40 (0x28)
> Identification: 0 (0x0)
> - FragmentFlags: 16384 (0x4000)
> Reserved: (0...............)
> DF: (.1..............) Do not fragment
> MF: (..0.............) This is the last fragment
> Offset: (...0000000000000) 0
> TimeToLive: 57 (0x39)
> NextProtocol: TCP, 6(0x6)
> Checksum: 44784 (0xAEF0)
> SourceAddress: 200.98.249.120
> DestinationAddress: 192.160.16.100
> - Tcp: Flags=..R....., SrcPort=HTTP(80), DstPort=50596, Len=0,
> Seq=2628929521, Ack=0, Win=0 (scale factor not found)
> SrcPort: HTTP(80)
> DstPort: 50596
> SequenceNumber: 2628929521 (0x9CB247F1)
> AcknowledgementNumber: 0 (0x0)
> - DataOffset: 80 (0x50)
> DataOffset: (0101....) (20 bytes)
> Reserved: (....000.)
> NS: (.......0) Nonce Sum not significant
> - Flags: ..R.....
> CWR: (0.......) CWR not significant
> ECE: (.0......) ECN-Echo not significant
> Urgent: (..0.....) Not Urgent Data
> Ack: (...0....) Acknowledgement field not significant
> Push: (....0...) No Push Function
> Reset: (.....1..) Reset
> Syn: (......0.) Not Synchronize sequence numbers
> Fin: (.......0) Not End of data
> Window: 0 (scale factor not found)
> Checksum: 29288 (0x7268)
> UrgentPointer: 0 (0x0)


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