internet connection issue

Tue Jun 24 22:45:26 UTC 2008

No i don't manage the gw and yes i am sure about the netmask. I used the same setting on thw windows box and i can ping the gw. Not sure if there are other server it belongs to the isp. First time i have seen a problem like this...it all lookls ok but i can't reach the gw. I had to stop iptable to test and make sure its not the issue. 

Sent using Mobile Xpress, a Personal Information Management Service from T3 Communications 

-----Original Message-----

From: "Richard Riley" <rriley at ariba.com>
Sent: Tue, 24 Jun 2008 18:35:54 -0400
To: redhat-sysadmin-list at redhat.com
Received: 24-Jun-2008 22:36:20 +0000
Subject: RE: internet connection issue

Do you manage the gw?
Are you sure the gw subnet mask is 255.255.255.0?
Are there any other servers on the gw LAN?
Can you ping the this server from the gw or another server on the same
LAN?

Richard 

> >-----Original Message-----
> >From: redhat-sysadmin-list-bounces at redhat.com 
> >[mailto:redhat-sysadmin-list-bounces at redhat.com] On Behalf 
> >Of gshobowale at nextworksltd.com
> >Sent: Tuesday, June 24, 2008 5:55 PM
> >To: redhat-sysadmin-list at redhat.com
> >Subject: Re: internet connection issue
> >
> >Yes i can ping both interfaces..eth1 & eth2. I just 
> >installed dhcp but I have not configured it. Dns has been 
> >configured but using the isp dns in /etc/resolve.conf. The 
> >netmask is the same 255.255.255.O 
> >
> >192.168.0.0 0.0.0.0 255.255.255.0 U eth3 10.11.32.0 0.0.0.0 
> >255.255.255.0 U eth1 169.254.0.0 0.0.0.0 255.255.255.0 U eth3
> > 0.0.0.0   10.11.32.225  0.0.0.0 UG eth1
> >
> >ip for eth1 is 10.11.32.226
> >ip for eth3 is 192.168.0.2
> >to test the route i ran
> >route add default gw 10.11.32.225
> >but i still can't ping the gw from the server it self.
> >Thanks again
> >
> >Sent using Mobile Xpress, a Personal Information Management 
> >Service from T3 Communications 
> >
> >-----Original Message-----
> >
> >From: "Richard Riley" <rriley at ariba.com>
> >Sent: Tue, 24 Jun 2008 16:35:17 -0400
> >To: redhat-sysadmin-list at redhat.com
> >Received: 24-Jun-2008 20:35:40 +0000
> >Subject: RE: internet connection issue
> >
> >Can you ping the local IP of both interfaces?
> >What is the output of "netstat -I"?
> >What is the output of "netstat -r"?
> >Where is your DNS located? Inside your router/firewall or outside?
> >Does the internet LAN connect to a router/firewall you manage?
> >What is the subnet mask on the internet LAN?
> >Does your router/firewall do DHCP on the internal LAN?
> >
> >Richard 
> > 
> >
> >> >-----Original Message-----
> >> >From: redhat-sysadmin-list-bounces at redhat.com
> >> >[mailto:redhat-sysadmin-list-bounces at redhat.com] On Behalf Of 
> >> >gshobowale at nextworksltd.com
> >> >Sent: Tuesday, June 24, 2008 3:25 PM
> >> >To: redhat-sysadmin-list at redhat.com
> >> >Subject: Re: internet connection issue
> >> >
> >> >The modules load well..using eth1 and eth3. I interchnaged the 
> >> >setting and the Lan part works well i.e. eth3. No errors 
> >in the log 
> >> >files..no sure if i have missed out something
> >> >
> >> >Sent using Mobile Xpress, a Personal Information 
> >Management Service 
> >> >from T3 Communications
> >> >
> >> >-----Original Message-----
> >> >
> >> >From: "Andrew Bacchi" <bacchi at rpi.edu>
> >> >Sent: Tue, 24 Jun 2008 14:41:10 -0400
> >> >To: redhat-sysadmin-list at redhat.com
> >> >Received: 24-Jun-2008 18:41:37 +0000
> >> >Subject: Re: internet connection issue
> >> >
> >> >Are you sure the NIC driver is being loaded at boot?  Check the 
> >> >output of 'dmesg' to see if eth0, or whatever number it is,  is 
> >> >starting up correctly.  Is the driver for your NIC in 
> >> >/etc/modprobe.conf? Also check /var/log/messages to see 
> >if there are 
> >> >any clues there.
> >> >
> >> >What do you mean by "the Lan is fine", how are you 
> >connecting to it?
> >> >Another ethX interface?
> >> >
> >> >I agree that reinstalling won't solve anything for you, 
> >this is not 
> >> >MS Windows.
> >> >
> >> >gshobowale at nextworksltd.com wrote:
> >> >> Hi all,
> >> >> I have tried all I can, I think I need some help. I have a
> >> >machine connected to the Lan and the Internet. The Lan is 
> >fine..I can 
> >> >connect to all services on the network.
> >> >> However, the issues is on the internet part of the
> >> >network. I put all the detail on the card, but i can't 
> >seem to reach 
> >> >the gateway when i ping. I have checked the routing table that is 
> >> >fine. I tried another nic i.e. that of the Lan which 
> >workd well but i 
> >> >still can't reach the gateway. I connected a windows box 
> >and i can 
> >> >reach the gateway. I clone the windows mac address i still can't 
> >> >reach it. I have stopped iptables just to test, but still 
> >can't reach 
> >> >the gw.
> >> >> Has anyone seen this issue before? I am short of
> >> >reinstalling the system but i have a feeling that might 
> >not solve my 
> >> >issue.
> >> >> Thanks
> >> >>
> >> >> Sent using Mobile Xpress, a Personal Information
> >> >Management Service
> >> >> from T3 Communications
> >> >>
> >> >> --
> >> >> redhat-sysadmin-list mailing list
> >> >> redhat-sysadmin-list at redhat.com
> >> >> https://www.redhat.com/mailman/listinfo/redhat-sysadmin-list
> >> >>
> >> >>   
> >> >
> >> >--
> >> >veritatas simplex oratio est
> >> >        -Seneca
> >> >
> >> >Andrew Bacchi
> >> >Systems Programmer
> >> >Rensselaer Polytechnic Institute
> >> >phone: 518.276.6415  fax: 518.276.2809
> >> >
> >> >http://www.rpi.edu/~bacchi/
> >> >
> >> >--
> >> >redhat-sysadmin-list mailing list
> >> >redhat-sysadmin-list at redhat.com
> >> >https://www.redhat.com/mailman/listinfo/redhat-sysadmin-list
> >> >
> >> >--
> >> >redhat-sysadmin-list mailing list
> >> >redhat-sysadmin-list at redhat.com
> >> >https://www.redhat.com/mailman/listinfo/redhat-sysadmin-list
> >> >
> >
> >--
> >redhat-sysadmin-list mailing list
> >redhat-sysadmin-list at redhat.com
> >https://www.redhat.com/mailman/listinfo/redhat-sysadmin-list
> >
> >--
> >redhat-sysadmin-list mailing list
> >redhat-sysadmin-list at redhat.com
> >https://www.redhat.com/mailman/listinfo/redhat-sysadmin-list
> >

--
redhat-sysadmin-list mailing list
redhat-sysadmin-list at redhat.com
https://www.redhat.com/mailman/listinfo/redhat-sysadmin-list