Estou tentando configurar uma VPN lan-to-lan entre um Cisco ASA 5510 (firmware 7.0(5), IP 222.222.222.222) e um firewall Watchguard X750e (firmware 10.2, IP 111.111.111.111)
A Fase 1 surge, mas então a mensagem "IKE perdeu contato com o ponto remoto, excluindo a conexão" aparece nos logs e o ASa nunca inicia a configuração da Fase 2. O que poderia estar causando isso?
Seguem informações de log e configuração, desculpe pela parede de texto feia:
Dos logs no final do ASA:
Jun 12 2009 21:00:51: %ASA-3-713119: Group = 111.111.111.111, IP = 111.111.111.111, PHASE 1 COMPLETED
Jun 12 2009 21:00:51: %ASA-7-713121: IP = 111.111.111.111, Keep-alive type for this connection: DPD
Jun 12 2009 21:00:51: %ASA-7-713906: Group = 111.111.111.111, IP = 111.111.111.111, Starting phase 1 rekey timer: 64800000 (ms)
Jun 12 2009 21:00:52: %ASA-7-715036: Group = 111.111.111.111, IP = 111.111.111.111, Sending keep-alive of type DPD R-U-THERE (seq number 0x66612de1)
Jun 12 2009 21:00:52: %ASA-7-715046: Group = 111.111.111.111, IP = 111.111.111.111, constructing blank hash payload
Jun 12 2009 21:00:52: %ASA-7-715046: Group = 111.111.111.111, IP = 111.111.111.111, constructing qm hash payload
Jun 12 2009 21:00:52: %ASA-7-713236: IP = 111.111.111.111, IKE_DECODE SENDING Message (msgid=56732dee) with payloads : HDR + HASH (8) + NOTIFY (11) + NONE (0) total length : 84
Jun 12 2009 21:00:54: %ASA-7-715036: Group = 111.111.111.111, IP = 111.111.111.111, Sending keep-alive of type DPD R-U-THERE (seq number 0x66612de2)
Jun 12 2009 21:00:54: %ASA-7-715046: Group = 111.111.111.111, IP = 111.111.111.111, constructing blank hash payload
Jun 12 2009 21:00:54: %ASA-7-715046: Group = 111.111.111.111, IP = 111.111.111.111, constructing qm hash payload
Jun 12 2009 21:00:54: %ASA-7-713236: IP = 111.111.111.111, IKE_DECODE SENDING Message (msgid=f3add2bd) with payloads : HDR + HASH (8) + NOTIFY (11) + NONE (0) total length : 84
Jun 12 2009 21:00:54: %ASA-7-713906: Received unexpected event EV_RESEND_MSG in state MM_REKEY_DONE_H2
Jun 12 2009 21:00:56: %ASA-7-715036: Group = 111.111.111.111, IP = 111.111.111.111, Sending keep-alive of type DPD R-U-THERE (seq number 0x66612de3)
Jun 12 2009 21:00:56: %ASA-7-715046: Group = 111.111.111.111, IP = 111.111.111.111, constructing blank hash payload
Jun 12 2009 21:00:56: %ASA-7-715046: Group = 111.111.111.111, IP = 111.111.111.111, constructing qm hash payload
Jun 12 2009 21:00:56: %ASA-7-713236: IP = 111.111.111.111, IKE_DECODE SENDING Message (msgid=f65762ed) with payloads : HDR + HASH (8) + NOTIFY (11) + NONE (0) total length : 84
Jun 12 2009 21:00:57: %ASA-7-713906: Received unexpected event EV_RESEND_MSG in state MM_REKEY_DONE_H2
Jun 12 2009 21:00:58: %ASA-3-713123: Group = 111.111.111.111, IP = 111.111.111.111, IKE lost contact with remote peer, deleting connection (keepalive type: DPD)
E no final do Watchguard:
11:08:36 iked Drop negotiation to peer 222.222.222.222:500 due to phase 1 retry timeout msg_id="0203-5161" Debug
11:08:40 iked WARNING: Mismatched ID settings at peer 222.222.222.222:500 caused an authentication failure msg_id="0203-5156" Debug
11:08:40 iked Process 5/6 Msg : failed to process ID payload Debug
11:17:00 iked Process 5/6 Msg : failed to process ID payload 4 Debug
11:17:00 iked Process INFO_EXCHANGE : EncryptBit set before SA created Debug
11:17:00 iked Cannot process the inform message from 222.222.222.222:500 to 111.111.111.111 cookies i=9a3397be 0547688f r=1665ee71 2185bf5c msg_id="0203-5059" Debug
A configuração no nosso final é assim:
object-group network REMOTENETWORK
network-object 215.12.34.0 255.255.255.0
access-list outside_cryptomap_100 extended permit ip 10.88.88.96 255.255.255.240 object-group REMOTENETWORK
access-list outside_cryptomap_100 extended permit ip 10.88.88.128 255.255.255.224 object-group REMOTENETWORK
crypto ipsec transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto map outside_map 100 match address outside_cryptomap_100
crypto map outside_map 100 set peer 111.111.111.111
crypto map outside_map 100 set transform-set ESP-3DES-SHA
tunnel-group 111.111.111.111 type ipsec-l2l
tunnel-group 111.111.111.111 ipsec-attributes
pre-shared-key SECRETKEY
Capturas de tela da configuração remota do Watchguard para as fases 1 e 2:
Responder1
Aqui está um link para algumas dicas sobre incompatibilidades de IKE SA que podem ajudar (também alguns comandos de depuração para examinar):
http://www.networkworld.com/subnets/cisco/1114-ch4-ipsec-vpn.html
Responder2
Você já tentou desativar o DPD? O DPD entre fornecedores diferentes pode funcionar mais ou menos... Ambos os dispositivos estão configurados para usar o modo principal? Revise as configurações repetidas vezes.
Responder3
Você deve fornecer um nome DNS ou um endereço IP ao IP do gateway na fase um.
Insira o endereço IP e selecione IP na caixa suspensa abaixo dele.