Network Problems
TE Dukes
edukes at alltel.net
Sat Apr 16 13:41:29 UTC 2005
On Sat, 2005-04-16 at 09:18, jludwig wrote:
> On Saturday 16 April 2005 08:59 am, edukes at alltel.net 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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