I have performed a different test. I read 5 message from the queue and save message ids of all five of them. Then I accepted all five message in the order they read. The first message reaches its destination and the other four are dropped. I would really appreciate if someone can explains the inner working of the ip_queue. Is this a bug in the ip_queue implementation? Thanks. MF On Tue, 2006-10-10 at 11:26 -0500, Mohammad Farooq wrote: > Hi Antonio, > > Thanks for the reply. Pardon my ignorance, once I drop the current > packet, how can I resend the the saved packet through the ip_queue in > the future? I don't see any API in libipq which allows that. Could you > please elaborate. Thanks. > > MF > > On Tue, 2006-10-10 at 17:36 +0200, aoliva wrote: > > Hi all, > > I think you can do what you want by storing the message in the module, > > dropping the current one and after the specific time sending it again. > > > > Regards > > Antonio > > > > > > > > Mohammad Farooq wrote: > > > Hi, > > > > > > I hope someone familiar with ip_queue can clarify the functioning of the > > > ip_queue. I wrote a simple test program, what all it does read packets > > > from the queue, hold a packet and accept it later. Here is the logic: > > > > > > read message from the ip_queue > > > save message id > > > read message from the ip_queue > > > accept current message > > > read message from the ip_queue > > > accept current message > > > read message from the ip_queue > > > accept current message > > > read message from the ip_queue > > > accept current message > > > read message from the ip_queue > > > accept current message > > > **accept saved message using the saved message id > > > accept current message > > > read message from the ip_queue > > > accept current message > > > > > > When I accept the saved message, it just disappears. My question is, can > > > we hold packets and accept them sometimes in the future? Thanks. > > > > > > MF > > > > > > Note: here is my iptable rules: > > > iptables -t nat -A PREROUTING -p udp -s 192.168.82.140 -d 192.168.75.51 > > > --dport 7862 -j DNAT --to 192.168.82.140:7862 > > > iptables -t nat -A POSTROUTING -p udp -s 192.168.82.140 -d > > > 192.168.82.140 --dport 7862 -j SNAT --to 192.168.75.51:7862 > > > > > > echo 1 > /proc/sys/net/ipv4/ip_forward > > > iptables -A FORWARD -p udp -j QUEUE > > > > > > > > > > > > > > > > > > > > > >
