Re: Network Problems

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On Sat, 2005-04-16 at 09:18, jludwig wrote:
> On Saturday 16 April 2005 08:59 am, edukes@xxxxxxxxxx wrote:
> > Hello,
> >
> > Still haven't figured this one out since 4-14.......
> >
> > Changed out nics, cables, switch.
> >
> > Server is now connecting to internet and all internet services are working
> > as far as I can tell.
> >
> > Local machines on the internal network cannot connect.  Strange thing is
> > they can ping internal and external IP addresses.  Samba services are
> > working.
> >
> > Network Configuration tool reports status of the nics 'OK'.
> >
> > It has been a few years since I setup this network and have not needed to
> > make any changes.  I am on DSL.  eth0 is not active at boot, eth1 is active
> > at boot.  Is this correct?
> >
> > Network Configuration tool shows eth0 'Inactive'.  Shouldn't it be active
> > after DSL and ppp0 start?
> >
> > Any help is greatly appreciated!!!!!!!!!!!!!
> 1) Try on xterm  > cat  /proc/sys/net/ipv4/ip_forward <
> should return 1

Thanks for responding!!

cat /proc/sys/net/ipv4/ip_forward returns '1'
> 
> 2) Do you have a firewall and is IP forwarding there and properly set up.
> 
Yes, I use the ruleset found in the IP-Masqurading How-To,
rc.firewall-2.4-stronger.  Been using it for over a year with no
problems.
> 3) Is your default route properly set?
> > route -n 
> 
> Should return something like; 
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
> 192.168.14.0    0.0.0.0         255.255.255.0   U     0      0        0 eth1
> 192.168.12.0    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 eth1
> 0.0.0.0         192.168.12.1    0.0.0.0         UG    0      0        0 eth0
> 
>  Where eth0 and 192.168.12.1 is my server 2 ( I have 3 layers of firewall ).

route -n reports:

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use
Iface
151.213.11.13   0.0.0.0         255.255.255.255 UH    0      0        0
ppp0
10.10.0.0       0.0.0.0         255.255.255.0   U     0      0        0
eth1
169.254.0.0     0.0.0.0         255.255.0.0     U     0      0        0
eth1
0.0.0.0         151.213.11.13   0.0.0.0         UG    0      0        0
ppp0

Does this look OK?

Thanks!!

> 
> -- 
> John H Ludwig


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