On Wed, Jul 31, 2013 at 10:33:50AM +0530, Vipul Singhania wrote: > Thanks for reply. > > There is no firewall in that network. This is just separate network. > and I can say they are directly connected to each other using L1 > switch and no other connection to outside world. > > It was jut testing that I have giving public IP to one of interface in one host. > > - The association look like with public IP. > > sh-3.2# cat /proc/net/sctp/assocs > ASSOC SOCK STY SST ST HBKT ASSOC-ID TX_QUEUE RX_QUEUE UID INODE > LPORT RPORT LADDRS <-> RADDRS HBINT INS OUTS MAXRT T1X T2X RTXC > ffff8800089b0000 ffff8800335944c0 2 1 3 37916 3 516 > 0 0 10635 48520 7168 127.3.253.1 127.3.21.1 127.4.253.1 > 127.2.253.1 127.1.221.1 164.48.1.1 127.3.254.1 <-> *127.4.252.1 > 7500 300 300 10 0 0 0 > ffff8800089b2000 ffff880033594000 2 1 3 50717 4 516 > 0 0 10634 60890 7169 127.3.253.1 127.3.21.1 127.4.253.1 > 127.2.253.1 127.1.221.1 164.48.1.1 127.3.254.1 <-> *127.4.252.1 > 7500 300 300 10 0 0 0 > > ----------------------------------------------------------------------------- > - But if I give private IP (10.1.1.1) this look like. > > sh-3.2# cat /proc/net/sctp/assocs > ASSOC SOCK STY SST ST HBKT ASSOC-ID TX_QUEUE RX_QUEUE UID INODE > LPORT RPORT LADDRS <-> RADDRS HBINT INS OUTS MAXRT T1X T2X RTXC > ffff88003c721800 ffff8800335944c0 2 1 3 22045 2 0 > 0 0 5674 47434 7169 127.3.253.1 127.3.21.1 127.4.253.1 > 127.2.253.1 127.1.221.1 <-> *127.4.252.1 7500 300 300 10 > 0 0 0 > ffff88003c720800 ffff880033594000 2 1 3 36124 1 0 > 0 0 5673 58513 7168 127.3.253.1 127.3.21.1 127.4.253.1 > 127.2.253.1 127.1.221.1 <-> *127.4.252.1 7500 300 300 10 > 0 0 0 > I don't see any difference between the two environments here. How exactly are you 'giving' a private ip here? Are you attempting an ADDIP operation? > > - I may be wrong but is it possible that when we do bind with on IP > (and if multi homing is enabled) it'll build with all available > interfaces? > The opposite in fact. If you bind to a local address the association on that socket will be creating using only the bound address, if you do not bind on a local address (the autobind case), and multihoming is enabled, then all available addresses will be used. Neil -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
