Re: Trying to understand multicast packet IP routing - why src IP address affects reception ??//

2009-08-08 Thread Aviv Greenberg
Every incoming packet goes through input routing. The result of that routing is either to receive the packet locally, drop, or forward it. There is a hidden local routing table, that is used to do routing for incoming packets. It is populated automatically (e.g when u add an new local interface)

Trying to understand multicast packet IP routing - why src IP address affects reception ??//

2009-08-04 Thread Lev Olshvang
Evening all, I made some investigation in my Ubuntu Linux , kernel 2.6.30 Here the case : I have computer with 2 interfaces. It runs Ubuntu, kernel 2.6.30 and application that opens multicast socket and bind it to one of the interfaces, 192.168.123.1 There are only multicast packets in this

Re: Trying to understand multicast packet IP routing - why src IP address affects reception ??//

2009-08-04 Thread Shachar Shemesh
I'll just point out that my Multicast understanding is a bit tenuous. Lev Olshvang wrote: Evening all, But if I change the interface IP address to other network, these packets are ignored at IP layer (data link layer got it since RX count is running according to ifconfig ) I have tcp ip

Re: Trying to understand multicast packet IP routing - why src IP address affects reception ??//

2009-08-04 Thread Lev Olshvang
Shahar , Thanks see below : Shachar Shemesh wrote: I'll just point out that my Multicast understanding is a bit tenuous. Lev Olshvang wrote: Evening all, But if I change the interface IP address to other network, these packets are ignored at IP layer (data link layer got it since RX