Network Problems
jludwig
wralphie at comcast.net
Sat Apr 16 13:18:40 UTC 2005
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
2) Do you have a firewall and is IP forwarding there and properly set up.
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 ).
--
John H Ludwig
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