l i n u x - u s e r s - g r o u p - o f - d a v i s
Next Meeting:
July 7: Social gathering
Next Installfest:
Latest News:
Jun. 14: June LUGOD meeting cancelled
Page last updated:
2009 Dec 15 21:04

The following is an archive of a post made to our 'vox-tech mailing list' by one of its subscribers.

Report this post as spam:

(Enter your email address)
Re: [vox-tech] 2 Network cards not getting along
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [vox-tech] 2 Network cards not getting along

No it is set to 0. Should it be on? This system is not a router, I'm not
really clear on what else would happen if I were to turn it on.


Brian Lavender wrote:
> Do you have forwarding turned on?
> echo "1" > /proc/sys/net/ipv4/ip_forward
> On Mon, Dec 14, 2009 at 12:34:27PM -0800, Alex Mandel wrote:
>> This is probably a strange use case, and I'm aware it's not optimum but
>> I need to get it to work while a more long term solution is discussed.
>> I have a server
>> It has 2 network cards
>> card 1 is serving a website to the world and is on subnet 1
>> card 2 is serving a database, and samba share and is on subnet 2
>> While card 2 is turned on, people on subnet 2 are unable to see the
>> website, though the rest of the world can. It doesn't matter if they use
>> the domain name, the subnet 1 ip or the subnet 2 ip address, they all
>> timeout. If I turn card 2 off everybody can see the website.
>> So how do I even begin to troubleshoot this issue?
>> In the long run this could all be avoided by relaxing the firewall rules
>>  to allow both subnets access to the various ports it needs, but for
>> whatever reason there is a hardware firewall on subnet 1 that I have 0
>> control over. It's removal has been requested but that might take a few
>> months. Besides that I can't think of a reason why the setup wouldn't work.
>> (Server is Apache 2.2, Ubuntu 8.04)
>> subnet 1 has no domain controller
>> subnet 2 has a windows domain controller (probably Win Server 2008,
>> maybe still 2003)
>> Thanks,
>> Alex

vox-tech mailing list

LUGOD Group on LinkedIn
Sign up for LUGOD event announcements
Your email address:
LUGOD Group on Facebook
'Like' LUGOD on Facebook:

Hosting provided by:
Sunset Systems
Sunset Systems offers preconfigured Linux systems, remote system administration and custom software development.

LUGOD: Linux Users' Group of Davis
PO Box 2082, Davis, CA 95617
Contact Us

LUGOD is a 501(c)7 non-profit organization
based in Davis, California
and serving the Sacramento area.
"Linux" is a trademark of Linus Torvalds.

Sponsored in part by:
Appahost Applications
For a significant contribution towards our projector, and a generous donation to allow us to continue meeting at the Davis Library.