JN0-696 Question #12: Real Exam Question with Answer & Explanation

user@SRX-1> show configuration security ike traceoptions { file ike-trace; flag all; } policy juniper { proposal-set standard; pre-shared-key ascii-text "$ $ znCO hKMXtuMX - gTz "; ## SECRET-DATA } gateway juniper { ike-policy juniper; address 192.168.1.11; external-interface fe-0/0/7; } user@SRX-1> show configuration security ipsec traceoptions { flag all; } policy juniper { proposal-set standard; } vpn juniper { bind-interface st0.0; ike { gateway juniper; ipsec-policy juniper; } } user@SRX-1> show security ike security-associations user@SRX-1> show security ipsec security-associations Total active tunnels: 0 user@SRX-1> show log ike-trace ... Jun 13 16:21:33 ike_st_o_all_done: MESSAGE: Phase 1 { 0x3f669946 90eba0c7 - 0x76bdffab f8770040 } / 00000000, version = 1.0, xchg = Identity protect, auth_method = Pre shared keys, Responder, cipher = 3des-cbc, hash = sha1, prf = hmac-sha1, life = 0 kB / 28800 sec, key l Jun 13 16:21:33 192.168.1.10:500 (Responder) -> 192.168.1.11:500 { 3f669946 90eba0c7 -76bdffab f8770040 [-1] / 0x00000000 } IP; MESSAGE: Phase 1 version = 1.0, auth_method = Pre shared keys, cipher = 3des- cbc, hash = sha1, prf = hmac-sha1, life = 0 kB / 28800 sec, key Jun 13 16:21:33 ike_encode_packet: Start, SA = { 0x3f669946 90eba0c7 - 76bdffab f8770040 } / 00000000, nego = -1 Jun 13 16:21:33 ike_send_packet: Start, send SA = { 3f669946 90eba0c7 - 76bdffab f8770040}, nego = -1, dst = 192.168.1.11:500, routing table id = 0 Jun 13 16:21:33 ike_send_notify: Connected, SA = { 3f669946 90eba0c7 - 76bdffab f8770040}, nego = -1 Jun 13 16:21:33 iked_pm_ike_sa_done: local:192.168.1.10, remote:192.168.1.11 IKEv1 Jun 13 16:21:33 iked_pm_id_validate id NOT matched. Jun 13 16:21:33 P1 SA 3075313 timer expiry. ref cnt 1, timer reason Defer delete timer expired (3), flags 0x331. Jun 13 16:21:33 iked_pm_ike_sa_delete_notify_done_cB. For p1 sa index 3075313, ref cnt 1, status: Error ok Jun 13 16:21:33 ike_expire_callback: Start, expire SA = { 3f669946 90eba0c7 - 76bdffab f8770040}, nego = -1 Jun 13 16:21:33 ike_alloc_negotiation: Start, SA = { 3f669946 90eba0c7 - 76bdffab f8770040} You are troubleshooting a new IPsec VPN that is not establishing between SRX-1 and a remote end device. What is causing the problem?