RE: Network Config Problems

["Tom Ford" <tom iapbb net>]

> Are you able to ping the outside world? www.yahoo.com returns a ping.

[root linux1 root]# ping www.yahoo.com
PING www.yahoo.akadns.net (216.109.118.71) 56(84) bytes of data.

No pings returned though;

> What is your routing table look like?

Kernel IP routing table
Destination     Gateway         Genmask         Flags   MSS Window  irtt
Iface
195.224.13.0    0.0.0.0         255.255.255.0   U         0 0          0
eth0
169.254.0.0     0.0.0.0         255.255.0.0     U         0 0          0
eth0
127.0.0.0       0.0.0.0         255.0.0.0       U         0 0          0 lo
0.0.0.0         195.224.13.1    0.0.0.0         UG        0 0          0
eth0

> Maybe the default route is not there?

eth0      Link encap:Ethernet  HWaddr 00:00:00:00:00:00
          inet addr:195.224.13.86  Bcast:195.224.13.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:855 errors:0 dropped:0 overruns:0 frame:0
          TX packets:283 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:65389 (63.8 Kb)  TX bytes:22384 (21.8 Kb)
          Interrupt:5 Base address:0xd800

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:19 errors:0 dropped:0 overruns:0 frame:0
          TX packets:19 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1452 (1.4 Kb)  TX bytes:1452 (1.4 Kb)

Hope this might shed some light, 

-----Original Message-----
From: redhat-install-list-admin redhat com
[mailto:redhat-install-list-admin redhat com] On Behalf Of Jeremy Rodriguez
Sent: 04 February 2004 14:14
To: redhat-install-list redhat com
Subject: RE: Network Config Problems

I disagree with the ip_forwarding. You should only set this if you are
routing.
Are you able to ping the outside world? www.yahoo.com returns a ping.
What is your routing table look like?
 netstat -rn
Maybe the default route is not there?
also send the output of:
 ifconfig -a

-----Original Message-----
From: redhat-install-list-admin redhat com
[mailto:redhat-install-list-admin redhat com]On Behalf Of Chris Hewitt
Sent: Wednesday, February 04, 2004 9:01 AM
To: redhat-install-list redhat com
Subject: Re: Network Config Problems


Tom Ford wrote:

> I'm having trouble getting a simple workstation box access the net.
>
> IP Addr: 195.224.13.86
>
> DNS Prm: 195.224.13.3
>
> DNS Scn: 195.224.13.140
>
> Gateway: 195.224.13.1
>
> This should be all okay, and upon pinging the machine from a windows
> based machine I can get returns. I can SSH into the machine fine from
> another pc on the same network.
>
> I cannot access the internet using mozillia on the machine, it says
> connection is either refused or times out. I cannot SSH into the box
> outside of the current local area network.
>
> I am I doing something wrong with regards to gateway? It seems to me
> that the box is failing to find a route out to the good ol' www. I
> have set this all up in the network config settings.
>
Have you set ip forwarding? This is needed to allow connections through
the computer.
echo 1>/proc/sys/net/ipv4/ip_forward

HTH
Chris


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