Wired PCs can't ping each other

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keithmantell
DD-WRT Novice


Joined: 03 May 2012
Posts: 3

PostPosted: Thu May 03, 2012 22:04    Post subject: Wired PCs can't ping each other Reply with quote
Router - Bufallo WHR-G300N

2 wired PCs cannot ping each other, though the router has dhcp leases for each. One is a Linux machine, the other is dual boot Linux/Windows 7.
A Linux Wireless laptop can ping both and be pinged from both.

I have another Bufallo (same model) with its default firmware. When I replace the DD-WRT version, all machines can ping each other.

Any ideas?

Thx in advance
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steinwedel
DD-WRT Novice


Joined: 10 Mar 2012
Posts: 16

PostPosted: Fri May 04, 2012 0:03    Post subject: Reply with quote
As already discussed it's a bug in 18777 firmware.
buddee
DD-WRT Guru


Joined: 06 Feb 2010
Posts: 7401
Location: Little Rock

PostPosted: Fri May 04, 2012 2:47    Post subject: Reply with quote
steinwedel wrote:
As already discussed it's a bug in 18777 firmware.


Considering the OP never lists the details of which build is being used, how would that ever be known for certain?

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keithmantell
DD-WRT Novice


Joined: 03 May 2012
Posts: 3

PostPosted: Fri May 04, 2012 7:39    Post subject: Reply with quote
OK, obviously my search was not couched in the correct terms.

Can you tell me the defect number, then I can track its resolution?

When I get a moment I'll put the DD-WRT unit back in and check the version number
joecop67
DD-WRT User


Joined: 09 Feb 2012
Posts: 425
Location: Columbus, Ohio

PostPosted: Fri May 04, 2012 9:33    Post subject: Reply with quote
deleted

Last edited by joecop67 on Wed Aug 29, 2012 20:59; edited 1 time in total
keithmantell
DD-WRT Novice


Joined: 03 May 2012
Posts: 3

PostPosted: Sat May 05, 2012 11:25    Post subject: Reply with quote
Thanks for the defect number. New to thois forum but is this where I should be looking:

http://www.dd-wrt.com/dd-wrtv2/bugtracker/view_all_bug_page.php

as nothing shows up for that number
jerry688
DD-WRT Novice


Joined: 13 Jun 2012
Posts: 1

PostPosted: Wed Jun 13, 2012 16:44    Post subject: Reply with quote
I have exactly the same problem with my buffalo_whr_g300nv2.

Wired connection can't ping any client else "destination host unreachable",
but wireless can ping all the clients.

It started from 03-19-12-r18777, and remains after upgrading to 06-08-12-r19342.
breaker
DD-WRT Novice


Joined: 01 Jan 2012
Posts: 45

PostPosted: Fri Jun 15, 2012 10:39    Post subject: Reply with quote
After so many people have confirmed the same problem. I hope that devs will finally pay attention to that issue which exists for over half a year now. (Last version which working lan was 18026 for me)
lovewilliam
DD-WRT Novice


Joined: 05 Apr 2013
Posts: 18

PostPosted: Wed Jul 02, 2014 5:54    Post subject: Reply with quote
same here on g300nv2

using version 24461

That will be great if it can be fixed.
lovewilliam
DD-WRT Novice


Joined: 05 Apr 2013
Posts: 18

PostPosted: Wed Jul 02, 2014 6:06    Post subject: Reply with quote
I am quite curious about the defect number, but it is deleted? I have been trying to tackle this problem for a while.

And I also find that it is reproducible on TL-WR741ND v1 using version 24461.

I think it is highly possible that other Atheros board also have this problem.

Can anyone know something about it leave a messages?
michelinium
DD-WRT Novice


Joined: 02 Jul 2014
Posts: 1
Location: Prague, Czech Republic

PostPosted: Wed Jul 02, 2014 10:35    Post subject: Working fix Reply with quote
lovewilliam wrote:
I am quite curious about the defect number, but it is deleted? I have been trying to tackle this problem for a while.

And I also find that it is reproducible on TL-WR741ND v1 using version 24461.

I think it is highly possible that other Atheros board also have this problem.

Can anyone know something about it leave a messages?


I have almost the same hardware: TL-WR741ND but v4, I just installed fw version 24461 and used a fix from page
http://www.dd-wrt.com/phpBB2/viewtopic.php?t=152738&postdays=0&postorder=asc&start=30
to get wired computers on LAN to communicate.

Resume is:
Open router web interface, switch to panel "Administration" and "Commands" page (something like http://192.168.0.1/Diagnostics.asp).
Enter commands:
Code:
swconfig dev eth1 set enable_vlan 1
swconfig dev eth1 set apply

Press button "Run commands" and if everything is fine press button "Save Startup" to make it permanent.

All the best
lovewilliam
DD-WRT Novice


Joined: 05 Apr 2013
Posts: 18

PostPosted: Wed Jul 02, 2014 11:40    Post subject: Re: Working fix Reply with quote
michelinium wrote:

Code:
swconfig dev eth1 set enable_vlan 1
swconfig dev eth1 set apply




Ah!! It works like a charm now! Thank you michelinium!

Very Happy
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