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Old 02-10-2009, 12:12 PM   #1
vivekjoshi
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Post Wireless status connected, cannot ping router.


Hi All,
Thanks for reading this.
I have an adsl router (Huawei). I have connected to the router through wifi but I still cant ping it. In kWifi manager, it shows me as connected, and also in the router, I can see my mac address as connected. But still cant ping.

I am using Slackware 12.0
root@vlaptop:~# uname -an
Linux vlaptop 2.6.21.5-smp #2 SMP Tue Jun 19 14:58:11 CDT 2007 i686 AMD Turion(tm) 64 X2 AuthenticAMD GNU/Linux


The output of ifconfig and route is as under:
root@vlaptop:~# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:163:A5:F8:7F
inet addr:192.168.1.10 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::216:d3ff:fea5:f87f/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:15681 errors:0 dropped:0 overruns:0 frame:0
TX packets:13680 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:12335138 (11.7 MiB) TX bytes:1888984 (1.8 MiB)
Interrupt:20 Base address:0xa000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:260 errors:0 dropped:0 overruns:0 frame:0
TX packets:260 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:22191 (21.6 KiB) TX bytes:22191 (21.6 KiB)

wlan0 Link encap:Ethernet HWaddr 00:1A:73:03:F2:FD
inet addr:192.168.1.11 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::21a:73ff:fe03:f2fd/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:842 errors:0 dropped:0 overruns:0 frame:0
TX packets:2937 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:759267 (741.4 KiB) TX bytes:471434 (460.3 KiB)
Interrupt:22 Memory:b3000000-b3004000

root@vlaptop:~# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 wlan0


But I cant ping my router. Please give me some suggestions.

Thanks for reading this post.

Regards,
Vivek.
 
Old 02-10-2009, 12:39 PM   #2
repo
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just a thought
ping is blocked at the router by the firewall?
 
Old 02-10-2009, 07:26 PM   #3
pentode
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Location: Oregon
Distribution: Debian Testing
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If you have your wired LAN connection and wireless connection to the same router, you will have problems. I don't know if this is the ONLY problem, but you need to disable the wired connection if you want the wireless to work correctly.

It appears you have both connected to the same router, or at least the same subnet and that generally is a problem.
 
Old 02-27-2009, 10:19 AM   #4
vivekjoshi
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Registered: Jan 2005
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Hi Pentode, Repo,
Thanks a lot for your super quick replies. Unfortunately, I was out of town for an emergency and I could not do anything further. I returned, and checked the router again, no firewall problems.

I changed the IP for the wifi. It would connect only in peer to peer mode, but no ping to an external IP would work.

With the same ip subnet, I checked and the default gateway used the lan port. Hence, I was not able to ping the router using wifi. I did a eth0 down, then add the default route back.

And it worked!

Thanks a lot both of you for your suggestions. Unless you did that, I perhaps would not have been able to solve the problem.

Thanks a lot again.

With warm regards,
Vivek.
 
  


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