Hi,
I have I server which routes a private network to the internet through ppp. All I had to do on Fedora-8 was:
/sbin/ifconfig eth0 up 192.168.1.1 echo 1 > /proc/sys/net/ipv4/ip_forward /sbin/iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE
However with Fedora-11 this doesn't work anymore. Packes simply are not forewarded anymore. The routing tables look 1:1 the same:
Fedora8:
10.64.64.64 * 255.255.255.255 UH 0 0 0 ppp0 192.168.1.0 * 255.255.255.0 U 0 0 0 eth0 default * 0.0.0.0 U 0 0 0 ppp0
Fedora11:
10.64.64.64 * 255.255.255.255 UH 0 0 0 ppp0 192.168.1.0 * 255.255.255.0 U 0 0 0 eth0 default * 0.0.0.0 U 0 0 0 ppp0
Any idea what the problem could be, or how I can debug that problem.
I already asked at fedora-forums as well as on this list once, but nobody had any clue whats going on here :-/
Thank you in advance, Clemens
Is this really such a strange setup, to route a network over ppp to the internet?
Has somebody else a similar setup, and can confirm it works for him/her?
Thanks you in advance, Clemens
2009/5/9 Clemens Eisserer linuxhippy@gmail.com:
Hi,
I have I server which routes a private network to the internet through ppp. All I had to do on Fedora-8 was:
/sbin/ifconfig eth0 up 192.168.1.1 echo 1 > /proc/sys/net/ipv4/ip_forward /sbin/iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE
However with Fedora-11 this doesn't work anymore. Packes simply are not forewarded anymore. The routing tables look 1:1 the same:
Fedora8:
10.64.64.64 * 255.255.255.255 UH 0 0 0 ppp0 192.168.1.0 * 255.255.255.0 U 0 0 0 eth0 default * 0.0.0.0 U 0 0 0 ppp0
Fedora11:
10.64.64.64 * 255.255.255.255 UH 0 0 0 ppp0 192.168.1.0 * 255.255.255.0 U 0 0 0 eth0 default * 0.0.0.0 U 0 0 0 ppp0
Any idea what the problem could be, or how I can debug that problem.
I already asked at fedora-forums as well as on this list once, but nobody had any clue whats going on here :-/
Thank you in advance, Clemens
On 10/05/09 21:04, Clemens Eisserer wrote:
2009/5/9 Clemens Eissererlinuxhippy@gmail.com:
I have I server which routes a private network to the internet through ppp.
All I had to do on Fedora-8 was:
/sbin/ifconfig eth0 up 192.168.1.1 echo 1> /proc/sys/net/ipv4/ip_forward /sbin/iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE
Is the firewall active ? iptables --list
Is the ppp connection active, or do you need to dial it ?
However with Fedora-11 this doesn't work anymore. Packes simply are not forewarded anymore.
Is that what a packet sniffer (wireshark) tells you ?
DaveT.
Hi Dave,
Of course I was firewalled. Sorry for all the traffic and thank you very much for pointing that out.
Sorry for the late answer: Seems gmail failed to group your response to my question and I completly overlooked it. I guess I am just too dependent on that stuff ^^
Thanks again, Clemens
2009/5/19 David Timms dtimms@iinet.net.au:
On 10/05/09 21:04, Clemens Eisserer wrote:
2009/5/9 Clemens Eissererlinuxhippy@gmail.com:
I have I server which routes a private network to the internet through ppp.
All I had to do on Fedora-8 was:
/sbin/ifconfig eth0 up 192.168.1.1 echo 1> /proc/sys/net/ipv4/ip_forward /sbin/iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE
Is the firewall active ? iptables --list
Is the ppp connection active, or do you need to dial it ?
However with Fedora-11 this doesn't work anymore. Packes simply are not forewarded anymore.
Is that what a packet sniffer (wireshark) tells you ?
DaveT.
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