Re: NAT Issue

[Pascal Hambourg <pascal.mail@plouf.fr.eu.org>]

Hello,

Kiran Murari a écrit :
> 
> My setup is as shown below.
> PC--------Router---------ISP
> 
> I established a connection with the ISP (PPP link) and I am pinging 
> google.com from LAN side host.
> Now if I disable WAN

What do you mean exactly ?

> (leave the ping running) and then enable it, the 
> session does not resume.

What session ?

> The SNAT rules are in place.
> # iptables -t nat -L POSTROUTING -n -v
> Chain POSTROUTING (policy ACCEPT 13927 packets, 458K bytes)
> pkts bytes target     prot opt in     out      source           destination
>    0     0   SNAT     all  --  *      ppp0     0.0.0.0/0        
> 0.0.0.0/0      to:xx:xx:xx:xx

Is the public address fixed or can it change at each PPP connection ?

> # cat /proc/net/ip_conntrack | grep icmp
> icmp     1 29 src=yy:yy:yy:yy dst=64.233.167.99 type=8 code=0 id=16446 
> packets=575 bytes=48300 [UNREPLIED]
> src=yy:yy:yy:yy dst=192.168.10.100 type=0 code=0 id=16446 packets=0 
> bytes=0 mark=0 use=1
> yy:yy:yy:yy being the IP address of the LAN host.

I doubt that the source address of the expected reply is the LAN host 
address. What is 192.168.10.100 ?