On Thu, Feb 27, 2014 at 11:00 AM, Stuart Henderson <[email protected]> wrote: > > Try tcpdumping packets going over the ipsec tunnel, do you see those packets > which should be local actually being sent over the tunnel? If so, I don't have > an answer for this, but I've seen it myself, though only with manually > configured ipsec rather than IKE (though I've only really tried IKEv1 with > isakmpd, not IKEv2). I've mentioned it to a few people but haven't heard any > possible explanations yet. >
Hi Stuart, It seems to be what I am facing: (tcpdump output on box1 when performing a telnet box1_ip (192.168.150.16) to port 22 on box1) box1:~# tcpdump -envps 1500 -i enc0 -l tcpdump: listening on enc0, link-type ENC 11:18:15.258255 (authentic,confidential): SPI 0xf704e810: 192.168.150.13 > 192.168.150.16: 192.168.150.16.33636 > 192.168.150.16.22: S [tcp sum ok] 724448283:724448283(0) win 16384 <mss 33152,nop,nop,sackOK,nop,wscale 3,nop,nop,timestamp 2973607861 0> (DF) [tos 0x10] (ttl 64, id 47660, len 64) (DF) [tos 0x10] (ttl 64, id 59798, len 84, bad cksum 0!) 11:18:15.258422 (authentic,confidential): SPI 0xf704e810: 192.168.150.13 > 192.168.150.16: 192.168.150.16.33636 > 192.168.150.16.22: S [tcp sum ok] 724448283:724448283(0) win 16384 <mss 33152,nop,nop,sackOK,nop,wscale 3,nop,nop,timestamp 2973607861 0> (DF) [tos 0x10] (ttl 64, id 47660, len 64) (DF) [tos 0x10] (ttl 64, id 59798, len 84) Is that a bug or just normal behavior and is there any way to get around it? Cheers, Josh

