Default gateway is not available

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Zephrus

Thread Starter
Joined
Jan 13, 2013
Messages
4
Hello! I've been experience 'Default gateway is unavailable' ever since I've rented my new place.
Having looked through the Internet for ways to fix this issue, I understand it may differ based on PCs, routers etc.
I'll post up some information, and if you need anything else do let me know. I'll try my best to understand and provide whatever's necessary.
Here's what I have right now:

IP config when it connects

Windows IP Configuration

Host Name . . . . . . . . . . . . : OSL-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Broadcast
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Wireless LAN adapter Wireless Network Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
Physical Address. . . . . . . . . : 00-26-82-96-8B-60
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom 802.11n Network Adapter
Physical Address. . . . . . . . . : 00-26-82-96-8B-60
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::7536:73a9:58ab:a085%18(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.25(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Sunday, 13 January, 2013 6:46:04 PM
Lease Expires . . . . . . . . . . : Monday, 14 January, 2013 6:46:04 PM
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 301999746
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-13-8C-D1-68-88-AE-1D-25-64-23

DNS Servers . . . . . . . . . . . : 192.168.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Bluetooth Network Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
Physical Address. . . . . . . . . : F0-7B-CB-CE-DB-B6
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{00CFA3C2-48A4-4334-855C-46568C42D86E}:

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.{F319CD0E-89E3-4ABE-A2AC-11907D0267B0}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Teredo Tunneling Pseudo-Interface:

Media State . . . . . . . . . . . : Media disconnected
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



IP config when it doesn't connect

Windows IP Configuration

Host Name . . . . . . . . . . . . : OSL-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Broadcast
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Wireless LAN adapter Wireless Network Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
Physical Address. . . . . . . . . : 00-26-82-96-8B-60
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom 802.11n Network Adapter
Physical Address. . . . . . . . . : 00-26-82-96-8B-60
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::7536:73a9:58ab:a085%18(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.25(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Sunday, 13 January, 2013 6:46:04 PM
Lease Expires . . . . . . . . . . : Monday, 14 January, 2013 6:46:04 PM
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 301999746
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-13-8C-D1-68-88-AE-1D-25-64-23

DNS Servers . . . . . . . . . . . : 192.168.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Bluetooth Network Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
Physical Address. . . . . . . . . : F0-7B-CB-CE-DB-B6
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{00CFA3C2-48A4-4334-855C-46568C42D86E}:

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.{F319CD0E-89E3-4ABE-A2AC-11907D0267B0}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Teredo Tunneling Pseudo-Interface:

Media State . . . . . . . . . . . : Media disconnected
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



Ping test when connected

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Users\OSL>ping 192.168.1.1

Pinging 192.168.1.1 with 32 bytes of data:
Reply from 192.168.1.1: bytes=32 time=2ms TTL=64
Reply from 192.168.1.1: bytes=32 time=1ms TTL=64
Reply from 192.168.1.1: bytes=32 time=1ms TTL=64
Reply from 192.168.1.1: bytes=32 time=1ms TTL=64

Ping statistics for 192.168.1.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 1ms, Maximum = 2ms, Average = 1ms

C:\Users\OSL>ping google.com

Pinging google.com [74.125.237.64] with 32 bytes of data:
Reply from 74.125.237.64: bytes=32 time=29ms TTL=55
Reply from 74.125.237.64: bytes=32 time=38ms TTL=57
Reply from 74.125.237.64: bytes=32 time=29ms TTL=55
Reply from 74.125.237.64: bytes=32 time=30ms TTL=55

Ping statistics for 74.125.237.64:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 29ms, Maximum = 38ms, Average = 31ms

C:\Users\OSL>ping 209.183.226.152

Pinging 209.183.226.152 with 32 bytes of data:
Reply from 209.183.226.152: bytes=32 time=257ms TTL=54
Reply from 209.183.226.152: bytes=32 time=256ms TTL=54
Request timed out.
Request timed out.

Ping statistics for 209.183.226.152:
Packets: Sent = 4, Received = 2, Lost = 2 (50% loss),
Approximate round trip times in milli-seconds:
Minimum = 256ms, Maximum = 257ms, Average = 256ms



Ping test when it's not connected

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Users\OSL>ping 192.168.1.1

Pinging 192.168.1.1 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 192.168.1.1:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\Users\OSL>ping google.com
Ping request could not find host google.com. Please check the name and try again
.

C:\Users\OSL>ping 209.183.226.152

Pinging 209.183.226.152 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 209.183.226.152:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
 

Zephrus

Thread Starter
Joined
Jan 13, 2013
Messages
4
Here's my system info if needed.

------------------
System Information
------------------
Time of this report: 1/13/2013, 19:27:00
Machine name: OSL-PC
Operating System: Windows 7 Home Premium 32-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_gdr.120830-0333)
Language: English (Regional Setting: English)
System Manufacturer: LENOVO
System Model: 20041
BIOS: InsydeH2O Version 29CN24WW(V1.07)
Processor: Intel(R) Core(TM) i5 CPU M 450 @ 2.40GHz (4 CPUs), ~2.4GHz
Memory: 4096MB RAM
Available OS Memory: 3062MB RAM
Page File: 2110MB used, 4013MB available
Windows Dir: C:\windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.01.7601.17514 32bit Unicode

---------------
Display Devices
---------------
Card name: NVIDIA GeForce 310M
Manufacturer: NVIDIA
Chip type: GeForce 310M
 

TerryNet

Terry
Moderator
Joined
Mar 23, 2005
Messages
81,405
Do you get the same problem with an ethernet connection?

What do you do to regain network access after the problem occurs?

What firewall or security suite is, or ever was, on the machine?

Please attach a screen shot of the Networks page (don't collapse the Radar, Connection or Signal History) of the Xirrus Wi-Fi Inspector. If you need help with that see TSG Posting a Screenshot. FWIW to take screen shots with Windows 7 or Vista I prefer to use the built-in Snipping Tool.
 

Zephrus

Thread Starter
Joined
Jan 13, 2013
Messages
4
Do you get the same problem with an ethernet connection?
- I'm guessing this means wired connection? I'm currently unsure as I do not own an ethernet cable

What do you do to regain network access after the problem occurs?
- I usually troubleshoot, which resets my network adapter or re-install the network adapters manually through Device Manager. If that doesn't work, I just have to wait.

What firewall or security suite is, or ever was, on the machine?
- Currently using Avira Antivirus. Not sure what was previous on it since it used to be my father's laptop.

Please attach a screen shot of the Networks page (don't collapse the Radar, Connection or Signal History)
- I hope this is what you meant
 

Attachments

TerryNet

Terry
Moderator
Joined
Mar 23, 2005
Messages
81,405
Make sure you have the latest wireless driver from the laptop manufacturer's web site. If you already have that driver reinstall it anyhow in case the installed instance is corrupted.

TCP/IP stack repair options for use with Vista or 7 or 8.

Start - All Programs - Accessories and right click on Command Prompt, select "Run as Administrator" to open a command prompt.

Reset WINSOCK entries to installation defaults: netsh winsock reset catalog

Reset IPv4 TCP/IP stack to installation defaults. netsh int ipv4 reset reset.log

Reset IPv6 TCP/IP stack to installation defaults. netsh int ipv6 reset reset.log

Reboot the machine.
 

Zephrus

Thread Starter
Joined
Jan 13, 2013
Messages
4
TCP/IP stack repair options for use with Vista or 7 or 8.

Start - All Programs - Accessories and right click on Command Prompt, select "Run as Administrator" to open a command prompt.

Reset WINSOCK entries to installation defaults: netsh winsock reset catalog

Reset IPv4 TCP/IP stack to installation defaults. netsh int ipv4 reset reset.log

Reset IPv6 TCP/IP stack to installation defaults. netsh int ipv6 reset reset.log
I've tried that, didn't fix the problem.
Also, I'm using DriverMax to find & update my drivers. My wireless driver is supposedly up-to-date but I'm still having the same disconnect issue.
 
Joined
Jan 25, 2013
Messages
2
Hello Zephrus!

I don't know if your problem has been fixed yet or not, but I also had the "default gateway is not available" issue and I believe that have just discovered a solution that has worked for me so far. The thing is I also had already searched around internet and read more than 20 articles, and none of the solutions or suggestions around the net was able to solve my problem, so I really would like to share my solution in case someone else also has the same problem (and I would like to know if my solution actually works for the others or not.)

However, let's make sure that you're indeed having the problem I had:
1. Your computer loses network connectivity periodically for no clear reason
2. When you Diagnose your Network Adapter, it tells you that "the default gateway is not available" and the issue has been fixed
3. But after a while the same issue will appear again (and again), and you will have to Diagnose the adapter yet again, with the same message repeated and the issue only temporary fixed

If the above problem is indeed what you're having, you can try to Enable NetBIOS over TCP/IP:
1. Go to your Network and Sharing Center
2. Click on Change your adapter settings
3. Check the Properties of your network adapter (in your case Wireless Network Connection)
4. Check the Properties of Internet Protocol Version 4 (TCP/IPv4)
5. Click the Advanced... button
6. Switch to the WINS tab, look at the NetBIOS setting and select Enable NetBIOS over TCP/IP, then click OK

Please note that I'm not entirely certain if this will work for you as it did for me, but I think it won't hurt to try this simple and easily revertible change.
 
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