Спасибо, этот букварь я уже видел где-то в форуме. Тем не менее от безнадежности сейчас сделал все в точности, как в нем описано (кстати, настройка WAN IP там опущена). Симптомы почти те же. Вот выдержка из лога di-808 (в 00.25 туннель установлен, через час error 16)
Fri Feb 09 00:23:28 2007 Error:The IPSec proposal of Tunnel#2 is invalid, remove this tunnel information
Fri Feb 09 00:23:28 2007 Restarted by 192.168.0.20
Fri Feb 09 00:24:47 2007 Restarted by 192.168.0.20
Fri Feb 09 00:24:59 2007 Send IKE M1(INIT) : 192.168.110.100 --> 192.168.110.10
Fri Feb 09 00:24:59 2007 Receive IKE M2(RESP) : 192.168.110.10 --> 192.168.110.100
Fri Feb 09 00:24:59 2007 Try to match with ENC:3DES AUTH:PSK HASH:MD5 Group:Group2
Fri Feb 09 00:25:00 2007 Send IKE M3(KEYINIT) : 192.168.110.100 --> 192.168.110.10
Fri Feb 09 00:25:00 2007 Receive IKE M4(KEYRESP) : 192.168.110.10 --> 192.168.110.100
Fri Feb 09 00:25:00 2007 Send IKE M5(IDINIT) : 192.168.110.100 --> 192.168.110.10
Fri Feb 09 00:25:00 2007 Receive IKE M6(IDRESP) : 192.168.110.10 --> 192.168.110.100
Fri Feb 09 00:25:00 2007 IKE Phase1 (ISAKMP SA) established : 192.168.110.10 <-> 192.168.110.100
Fri Feb 09 00:25:00 2007 Send IKE Q1(QINIT) : 192.168.0.0 --> 192.168.1.0
Fri Feb 09 00:25:00 2007 Receive IKE Q2(QRESP) : [192.168.1.0|192.168.110.10]-->[192.168.110.100|192.168.0.0]
Fri Feb 09 00:25:00 2007 Try to match ESP with MODE:Tunnel PROTOCAL:ESP-3DES AUTH:MD5 HASH:Others PFS(Group):NONE
Fri Feb 09 00:25:00 2007 Send IKE Q3(QHASH) : 192.168.0.0 --> 192.168.1.0
Fri Feb 09 00:25:00 2007 IKE Phase2 (IPSEC SA) established : [192.168.1.0|192.168.110.10]<->[192.168.110.100|192.168.0.0]
Fri Feb 09 00:25:00 2007 inbound SPI = 0x2000010, outbound SPI = 0x4d20bc09
Fri Feb 09 01:19:24 2007 Receive IKE Q1(QINIT) : [192.168.110.10]-->[192.168.110.100]
Fri Feb 09 01:19:24 2007 Requested routing is [192.168.1.0|192.168.110.10]<->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:19:24 2007 Try to match ESP with MODE:Tunnel PROTOCAL:Others AUTH:MD5 HASH:Others PFS(Group):NONE
Fri Feb 09 01:19:24 2007 Try to match ESP with MODE:Tunnel PROTOCAL:Others AUTH:SHA1 HASH:Others PFS(Group):NONE
Fri Feb 09 01:19:24 2007 error = 16
Fri Feb 09 01:19:24 2007 Send IKE Q1(QINIT) : 192.168.0.0 --> 192.168.1.0
Fri Feb 09 01:19:24 2007 Receive IKE Q2(QRESP) : [192.168.1.0|192.168.110.10]-->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:19:24 2007 Try to match ESP with MODE:Tunnel PROTOCAL:ESP-3DES AUTH:MD5 HASH:Others PFS(Group):NONE
Fri Feb 09 01:19:24 2007 Send IKE Q3(QHASH) : 192.168.0.0 --> 192.168.1.0
Fri Feb 09 01:19:24 2007 IKE Phase2 (IPSEC SA) established : [192.168.1.0|192.168.110.10]<->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:19:24 2007 inbound SPI = 0x4000010, outbound SPI = 0x9d6eadfb
Fri Feb 09 01:19:25 2007 Warning : VPN tunnel full 2 used/2 max, reject 192.168.110.10 -> 192.168.110.100, packet type 32
Fri Feb 09 01:19:26 2007 Send IKE (INFO) : delete [192.168.0.0|192.168.110.100]-->[192.168.110.10|192.168.1.0] phase 2
Fri Feb 09 01:19:26 2007 IKE phase2 (IPSec SA) remove : 192.168.0.0 <-> 192.168.1.0
Fri Feb 09 01:19:26 2007 inbound SPI = 0x2000010, outbound SPI = 0x4d20bc09
Fri Feb 09 01:19:26 2007 Receive IKE Q1(QINIT) : [192.168.110.10]-->[192.168.110.100]
Fri Feb 09 01:19:26 2007 Requested routing is [192.168.1.0|192.168.110.10]<->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:19:26 2007 Try to match ESP with MODE:Tunnel PROTOCAL:Others AUTH:MD5 HASH:Others PFS(Group):NONE
Fri Feb 09 01:19:26 2007 Try to match ESP with MODE:Tunnel PROTOCAL:Others AUTH:SHA1 HASH:Others PFS(Group):NONE
Fri Feb 09 01:19:26 2007 error = 16
Fri Feb 09 01:19:27 2007 Send IKE Q1(QINIT) : 192.168.0.0 --> 192.168.1.0
Fri Feb 09 01:19:27 2007 Receive IKE Q2(QRESP) : [192.168.1.0|192.168.110.10]-->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:19:27 2007 Try to match ESP with MODE:Tunnel PROTOCAL:ESP-3DES AUTH:MD5 HASH:Others PFS(Group):NONE
Fri Feb 09 01:19:27 2007 Send IKE Q3(QHASH) : 192.168.0.0 --> 192.168.1.0
Fri Feb 09 01:19:27 2007 IKE Phase2 (IPSEC SA) established : [192.168.1.0|192.168.110.10]<->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:19:27 2007 inbound SPI = 0x6000010, outbound SPI = 0x4856b7
Fri Feb 09 01:19:28 2007 Warning : VPN tunnel full 2 used/2 max, reject 192.168.110.10 -> 192.168.110.100, packet type 32
Fri Feb 09 01:19:28 2007 Send IKE (INFO) : delete [192.168.0.0|192.168.110.100]-->[192.168.110.10|192.168.1.0] phase 2
Fri Feb 09 01:19:28 2007 IKE phase2 (IPSec SA) remove : 192.168.0.0 <-> 192.168.1.0
Fri Feb 09 01:19:28 2007 inbound SPI = 0x4000010, outbound SPI = 0x9d6eadfb
Fri Feb 09 01:19:32 2007 Receive IKE Q1(QINIT) : [192.168.110.10]-->[192.168.110.100]
Fri Feb 09 01:19:32 2007 Requested routing is [192.168.1.0|192.168.110.10]<->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:19:32 2007 Try to match ESP with MODE:Tunnel PROTOCAL:Others AUTH:MD5 HASH:Others PFS(Group):NONE
Fri Feb 09 01:19:32 2007 Try to match ESP with MODE:Tunnel PROTOCAL:Others AUTH:SHA1 HASH:Others PFS(Group):NONE
Fri Feb 09 01:19:32 2007 error = 16
Fri Feb 09 01:19:32 2007 Send IKE Q1(QINIT) : 192.168.0.0 --> 192.168.1.0
Fri Feb 09 01:19:32 2007 Receive IKE Q2(QRESP) : [192.168.1.0|192.168.110.10]-->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:19:32 2007 Try to match ESP with MODE:Tunnel PROTOCAL:ESP-3DES AUTH:MD5 HASH:Others PFS(Group):NONE
Fri Feb 09 01:19:32 2007 Send IKE Q3(QHASH) : 192.168.0.0 --> 192.168.1.0
Fri Feb 09 01:19:32 2007 IKE Phase2 (IPSEC SA) established : [192.168.1.0|192.168.110.10]<->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:19:32 2007 inbound SPI = 0x8000010, outbound SPI = 0x4177f5d7
Fri Feb 09 01:19:33 2007 Send IKE (INFO) : delete [192.168.0.0|192.168.110.100]-->[192.168.110.10|192.168.1.0] phase 2
Fri Feb 09 01:19:33 2007 IKE phase2 (IPSec SA) remove : 192.168.0.0 <-> 192.168.1.0
Fri Feb 09 01:19:33 2007 inbound SPI = 0x6000010, outbound SPI = 0x4856b7
Fri Feb 09 01:19:40 2007 Receive IKE Q1(QINIT) : [192.168.110.10]-->[192.168.110.100]
Fri Feb 09 01:19:40 2007 Requested routing is [192.168.1.0|192.168.110.10]<->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:19:40 2007 Try to match ESP with MODE:Tunnel PROTOCAL:Others AUTH:MD5 HASH:Others PFS(Group):NONE
Fri Feb 09 01:19:40 2007 Try to match ESP with MODE:Tunnel PROTOCAL:Others AUTH:SHA1 HASH:Others PFS(Group):NONE
Fri Feb 09 01:19:40 2007 error = 16
Fri Feb 09 01:19:40 2007 Send IKE Q1(QINIT) : 192.168.0.0 --> 192.168.1.0
Fri Feb 09 01:19:40 2007 Receive IKE Q2(QRESP) : [192.168.1.0|192.168.110.10]-->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:19:40 2007 Try to match ESP with MODE:Tunnel PROTOCAL:ESP-3DES AUTH:MD5 HASH:Others PFS(Group):NONE
Fri Feb 09 01:19:40 2007 Send IKE Q3(QHASH) : 192.168.0.0 --> 192.168.1.0
Fri Feb 09 01:19:40 2007 IKE Phase2 (IPSEC SA) established : [192.168.1.0|192.168.110.10]<->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:19:40 2007 inbound SPI = 0xa000010, outbound SPI = 0xe828a273
Fri Feb 09 01:19:41 2007 Send IKE (INFO) : delete [192.168.0.0|192.168.110.100]-->[192.168.110.10|192.168.1.0] phase 2
Fri Feb 09 01:19:41 2007 IKE phase2 (IPSec SA) remove : 192.168.0.0 <-> 192.168.1.0
Fri Feb 09 01:19:41 2007 inbound SPI = 0x8000010, outbound SPI = 0x4177f5d7
Fri Feb 09 01:19:56 2007 Receive IKE Q1(QINIT) : [192.168.110.10]-->[192.168.110.100]
Fri Feb 09 01:19:56 2007 Requested routing is [192.168.1.0|192.168.110.10]<->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:19:56 2007 Try to match ESP with MODE:Tunnel PROTOCAL:Others AUTH:MD5 HASH:Others PFS(Group):NONE
Fri Feb 09 01:19:56 2007 Try to match ESP with MODE:Tunnel PROTOCAL:Others AUTH:SHA1 HASH:Others PFS(Group):NONE
Fri Feb 09 01:19:56 2007 error = 16
Fri Feb 09 01:19:56 2007 Send IKE Q1(QINIT) : 192.168.0.0 --> 192.168.1.0
Fri Feb 09 01:19:56 2007 Receive IKE Q2(QRESP) : [192.168.1.0|192.168.110.10]-->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:19:56 2007 Try to match ESP with MODE:Tunnel PROTOCAL:ESP-3DES AUTH:MD5 HASH:Others PFS(Group):NONE
Fri Feb 09 01:19:56 2007 Send IKE Q3(QHASH) : 192.168.0.0 --> 192.168.1.0
Fri Feb 09 01:19:56 2007 IKE Phase2 (IPSEC SA) established : [192.168.1.0|192.168.110.10]<->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:19:56 2007 inbound SPI = 0xc000010, outbound SPI = 0x360ff274
Fri Feb 09 01:19:57 2007 Send IKE (INFO) : delete [192.168.0.0|192.168.110.100]-->[192.168.110.10|192.168.1.0] phase 2
Fri Feb 09 01:19:57 2007 IKE phase2 (IPSec SA) remove : 192.168.0.0 <-> 192.168.1.0
Fri Feb 09 01:19:57 2007 inbound SPI = 0xa000010, outbound SPI = 0xe828a273
Fri Feb 09 01:20:26 2007 Receive IKE Q1(QINIT) : [192.168.110.10]-->[192.168.110.100]
Fri Feb 09 01:20:26 2007 Requested routing is [192.168.1.0|192.168.110.10]<->[192.168.110.100|192.168.0.0]
Fri Feb 09 01:20:26 2007 Try to match ESP with MODE:Tunnel PROTOCAL:Others AUTH:MD5 HASH:Others PFS(Group):NONE
Fri Feb 09 01:20:26 2007 Try to match ESP with MODE:Tunnel PROTOCAL:Others AUTH:SHA1 HASH:Others PFS(Group):NONE
Fri Feb 09 01:20:26 2007 error = 16
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