Symmetric Nat Problem

Support section for FREESCO v0.3.x

Re: Symmetric Nat Problem

Postby free » Sun May 08, 2011 11:37 am

After: rc_net restart
I have only to ping gateway:
Code: Select all
ping 80.253.56.1
PING 80.253.56.1 (80.253.56.1): 56 data bytes
64 bytes from 80.253.56.1: icmp_seq=0 ttl=64 time=1.1 ms

To the DNS server and all other IP:
Code: Select all
ping 80.253.48.5
PING 80.253.48.5 (80.253.48.5): 56 data bytes
ping: sendto: Network is unreachable

Unfortunately, this solution does not work for me.
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free
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Re: Symmetric Nat Problem

Postby Lightning » Sun May 08, 2011 7:43 pm

Did you try a full reboot to see if it was the same ?
The problem could also be that there was not enough room for the entire rc_net script and part of it is missing. Try a "df" command and see if there is any disk space left. If there is no disk space left then you can delete the /pkg/rc_net script and make the changes live on the /rc/rc_net script. The only real difference is that the changes will not survive a reboot.

I tested this on 0.4.4 and it was still working fine. However there are a number of other differences in the system.
If you are afraid that you might make a mistake. The chances are high that you will never learn anything.
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Re: Symmetric Nat Problem

Postby free » Mon May 09, 2011 1:27 pm

Before "rc_net restart" routing table is:
route00.txt

"df" return:
df.txt

After "rc_net restart" routing table is:
route01.txt

After add static route:
route add -net 0.0.0.0 netmask 0.0.0.0 gw 80.253.56.1 dev eth0

routing table is:
route02.txt

but NAT not changed - Port Restricted Cone.

After full reboot I see routing table is the same as the routing table "route02.txt"
and NAT remains unchanged - Port Restricted Cone.
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