As I said though, there's no lost ICMP packets, even when the IPSec tunnel drops out. I do notice a lot of these errors in the secure log though, would this be any indication of a problem? (I'm grepping for this specific error, they're not the only messages in there). Feb 11 14:18:10 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x01f90e1d) not found (maybe expired) Feb 11 14:18:14 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0xb3681486) not found (maybe expired) Feb 11 14:18:14 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x6ad588f5) not found (maybe expired) Feb 11 14:19:07 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0xe05ced4d) not found (maybe expired) Feb 11 14:19:08 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x7cd46e9e) not found (maybe expired) Feb 11 14:19:38 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x07164936) not found (maybe expired) Feb 11 14:19:55 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x9e68c142) not found (maybe expired) Feb 11 14:19:58 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0xcbb10063) not found (maybe expired) Feb 11 14:20:16 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x7a160d48) not found (maybe expired) Feb 11 14:20:26 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x18a63776) not found (maybe expired) Feb 11 14:21:11 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x09eb87c4) not found (maybe expired) Feb 11 14:21:11 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0xb2438c9b) not found (maybe expired) Feb 11 14:21:15 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x04236e6a) not found (maybe expired) Feb 11 14:21:52 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x456f7468) not found (maybe expired) Feb 11 14:21:57 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x8ee90acd) not found (maybe expired) Feb 11 14:22:04 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0xc6676973) not found (maybe expired) Feb 11 14:22:04 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0xc3b43142) not found (maybe expired) Feb 11 14:22:30 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x37111e62) not found (maybe expired) Feb 11 14:22:35 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0xb6e63098) not found (maybe expired) Feb 11 14:23:24 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0xbd94fd66) not found (maybe expired) Feb 11 14:24:05 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x36f47642) not found (maybe expired) Feb 11 14:24:18 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0xababea68) not found (maybe expired) Feb 11 14:24:33 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x9088954e) not found (maybe expired) Feb 11 14:24:46 site-a pluto[10450]: "site-b/1x1" #803: ignoring Delete SA payload: PROTO_IPSEC_ESP SA(0x5f1ba8d3) not found (maybe expired) On 10 February 2016 at 17:48, Eero Volotinen <eero.volotinen at iki.fi> wrote: > Well. Centos 5 is really near of it's end of life. There is not much > updates to kernel or openswan. You should at least try latest openswan > version. > > Your issue looks like a bit network problem. > > -- > Eero > > 2016-02-10 8:34 GMT+02:00 John Cenile <jcenile1983 at gmail.com>: > > > So lowering the keylife / ikelifetime didn't solve the problem. I've > > enabled debugging and I'll see what it says. > > > > Unfortunately we can't (easily) upgrade CentOS, do you believe that would > > make a huge difference though? Are the newer versions of OpenSwan *that > > *much > > more reliable? > > > > On 10 February 2016 at 04:58, Eero Volotinen <eero.volotinen at iki.fi> > > wrote: > > > > > Centos 5 is also a bit old os. Is it possible to use newer version? > (like > > > centos 7 or centos 6?) > > > > > > Eero > > > > > > 2016-02-09 19:52 GMT+02:00 Gordon Messmer <gordon.messmer at gmail.com>: > > > > > > > On 02/09/2016 07:04 AM, John Cenile wrote: > > > > > > > >> does anyone have any suggestions on what the problem might be? > > > >> > > > > > > > > Not off the top of my head, but if I were you, I'd enable debugging > of > > > > "control" and "dpd". See man ipsec.conf (/plutodebug) and man > > > ipsec_pluto. > > > > > > > > _______________________________________________ > > > > CentOS mailing list > > > > CentOS at centos.org > > > > https://lists.centos.org/mailman/listinfo/centos > > > > > > > _______________________________________________ > > > CentOS mailing list > > > CentOS at centos.org > > > https://lists.centos.org/mailman/listinfo/centos > > > > > _______________________________________________ > > CentOS mailing list > > CentOS at centos.org > > https://lists.centos.org/mailman/listinfo/centos > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos >