IPSEC between pfSense and SonicWALL TZ500



  • HI,

    I'm new here so please go easy on me.

    We recently deployed a pfSense firewall to handle the IPSEC tunnel to a remote office location that has a SonicWALL TZ 500. Every time the tunnel re-authenticates, there is a 1-3 minute disconnect and the logs show the following.

    Aug 2 09:18:28 charon 11[IKE] <con6000|1369>CHILD_SA con6000{19825} established with SPIs cd15de11_i 3c004f67_o and TS 0.0.0.0/0|/0 === X.X.X.X/24|/0
    Aug 2 09:18:28 charon 11[ENC] <con6000|1369>generating IKE_AUTH response 1 [ IDr AUTH N(ESP_TFC_PAD_N) SA TSi TSr N(AUTH_LFT) ]
    Aug 2 09:18:28 charon 11[NET] <con6000|1369>sending packet: from X.X.X.X[500] to X.X.X.X[500] (272 bytes)
    Aug 2 09:18:58 charon 14[IKE] <con6000|1369>sending DPD request
    Aug 2 09:18:58 charon 14[ENC] <con6000|1369>generating INFORMATIONAL request 0 [ ]
    Aug 2 09:18:58 charon 14[NET] <con6000|1369>sending packet: from X.X.X.X[500] to X.X.X.X[500] (80 bytes)
    Aug 2 09:19:02 charon 14[IKE] <con6000|1369>retransmit 1 of request with message ID 0
    Aug 2 09:19:02 charon 14[NET] <con6000|1369>sending packet: from X.X.X.X[500] to X.X.X.X[500] (80 bytes)
    Aug 2 09:19:10 charon 14[IKE] <con6000|1369>retransmit 2 of request with message ID 0
    Aug 2 09:19:10 charon 14[NET] <con6000|1369>sending packet: from X.X.X.X[500] to X.X.X.X[500] (80 bytes)
    Aug 2 09:19:22 charon 09[IKE] <con6000|1369>retransmit 3 of request with message ID 0
    Aug 2 09:19:22 charon 09[NET] <con6000|1369>sending packet: from X.X.X.X[500] to X.X.X.X[500] (80 bytes)
    Aug 2 09:19:46 charon 09[IKE] <con6000|1369>retransmit 4 of request with message ID 0
    Aug 2 09:19:46 charon 09[NET] <con6000|1369>sending packet: from X.X.X.X[500] to X.X.X.X[500] (80 bytes)
    Aug 2 09:20:28 charon 13[IKE] <con6000|1369>retransmit 5 of request with message ID 0
    Aug 2 09:20:28 charon 13[NET] <con6000|1369>sending packet: from X.X.X.X[500] to X.X.X.X[500] (80 bytes)
    Aug 2 09:21:44 charon 10[IKE] <con6000|1369>giving up after 5 retransmits
    Aug 2 09:21:44 charon 10[IKE] <con6000|1369>restarting CHILD_SA con6000
    Aug 2 09:21:44 charon 10[IKE] <con6000|1369>initiating IKE_SA con6000[1370] to X.X.X.X
    Aug 2 09:21:44 charon 10[ENC] <con6000|1369>generating IKE_SA_INIT request 0 [ SA KE No N(NATD_S_IP) N(NATD_D_IP) N(FRAG_SUP) N(HASH_ALG) N(REDIR_SUP) ]</con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369></con6000|1369>