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IP forwarding problem
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BulleT Offline
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Post: #1
IP forwarding problem
Behind one of my ip addresses, I have routed a subnet. Something is wrong with iptables because it wont let me make any trafic at all trough that subnet.

What's pulling me back?
03-23-2010 06:26 AM
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rbtux Offline
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Post: #2
RE: IP forwarding problem
have you enable ip forwading in your sysctl.conf?


net.ipv4.ip_forward=1

net.ipv6.conf.all.forwarding=1

As i last checked ispcp did use iptables only for traffic accounting...
(This post was last modified: 03-23-2010 07:33 AM by rbtux.)
03-23-2010 07:32 AM
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BulleT Offline
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Post: #3
RE: IP forwarding problem
I checked that, it's fine configured.

Still...


Pinging 62.231.69.57 with 32 bytes of data:
Reply from 213.154.111.98: TTL expired in transit.
Reply from 213.154.111.98: TTL expired in transit.
Reply from 213.154.111.98: TTL expired in transit.
03-23-2010 06:39 PM
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kilburn Offline
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Post: #4
RE: IP forwarding problem
I think you have a routing issue here (not even remotely related to ispcp, btw). Expired TTLs make me suspect that the packets enter a loop where they are being forwarded back and forth until the expiration. Check your routing setup...
03-23-2010 08:17 PM
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BulleT Offline
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Post: #5
RE: IP forwarding problem
It wasn't my box's fault. It was the ISP's .

Thanks
03-26-2010 03:33 AM
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