Рвется ipsec

[sleepnow]

Добрый день! Есть сервер, к нему подключен ipsec клиент.
Все бы хорошо, но складывается ощущение, что как даешь нагрузку (ну трафик гонять через ipsec) - он отваливается и тут же поднимается. Зависимости не выявил.

uname -a

Linux i4.15.0-38-generic #41-Ubuntu SMP Wed Oct 10 10:59:38 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

Логи такие

Код: [Выделить]

Jun  5 14:11:37 ih1537665 pppd[25573]: Plugin pppol2tp.so loaded.
Jun  5 14:11:37 ih1537665 pppd[25573]: pppd 2.4.7 started by root, uid 0
Jun  5 14:11:37 ih1537665 pppd[25573]: Using interface ppp0
Jun  5 14:11:37 ih1537665 pppd[25573]: Connect: ppp0 <-->
Jun  5 14:11:37 ih1537665 pppd[25573]: Overriding mtu 1500 to 1280
Jun  5 14:11:37 ih1537665 pppd[25573]: Overriding mru 1500 to mtu value 1280
Jun  5 14:11:37 ih1537665 systemd-udevd[25574]: link_config: autonegotiation is unset or enabled, the speed and duplex are not writable.
Jun  5 14:11:37 ih1537665 systemd-timesyncd[405]: Network configuration changed, trying to establish connection.
Jun  5 14:11:37 ih1537665 networkd-dispatcher[407]: WARNING:Unknown index 86 seen, reloading interface list
Jun  5 14:11:37 ih1537665 systemd-timesyncd[405]: Synchronized to time server 91.189.89.199:123 (ntp.ubuntu.com).
Jun  5 14:11:40 ih1537665 pppd[25573]: Overriding mtu 1500 to 1280
Jun  5 14:11:40 ih1537665 systemd-networkd[306]: ppp0: Gained carrier
Jun  5 14:11:40 ih1537665 systemd-timesyncd[405]: Network configuration changed, trying to establish connection.
Jun  5 14:11:40 ih1537665 pppd[25573]: Cannot determine ethernet address for proxy ARP
Jun  5 14:11:40 ih1537665 pppd[25573]: local  IP address 192.168.42.1
Jun  5 14:11:40 ih1537665 pppd[25573]: remote IP address 192.168.42.201
Jun  5 14:11:40 ih1537665 systemd-timesyncd[405]: Synchronized to time server 91.189.89.199:123 (ntp.ubuntu.com).
Jun  5 14:12:06 ih1537665 xl2tpd[1279]: Maximum retries exceeded for tunnel 32068.  Closing.
Jun  5 14:12:06 ih1537665 xl2tpd[1279]: Terminating pppd: sending TERM signal to pid 25294
Jun  5 14:12:06 ih1537665 systemd-networkd[306]: ppp1: Lost carrier
Jun  5 14:12:06 ih1537665 pppd[25294]: Terminating on signal 15
Jun  5 14:12:06 ih1537665 systemd-timesyncd[405]: Network configuration changed, trying to establish connection.
Jun  5 14:12:06 ih1537665 pppd[25294]: Connect time 45.5 minutes.
Jun  5 14:12:06 ih1537665 pppd[25294]: Sent 840087272 bytes, received 3950685991 bytes.
Jun  5 14:12:06 ih1537665 xl2tpd[1279]: Connection 1840 closed to 94.181.3.84, port 41200 (Timeout)
Jun  5 14:12:06 ih1537665 pppd[25294]: Overriding mtu 1500 to 1280
Jun  5 14:12:06 ih1537665 pppd[25294]: Overriding mru 1500 to mtu value 1280
Jun  5 14:12:06 ih1537665 systemd-timesyncd[405]: Synchronized to time server 91.189.89.199:123 (ntp.ubuntu.com).
Jun  5 14:12:12 ih1537665 pppd[25294]: Connection terminated.
Jun  5 14:12:12 ih1537665 systemd-timesyncd[405]: Network configuration changed, trying to establish connection.
Jun  5 14:12:12 ih1537665 pppd[25294]: Modem hangup
Jun  5 14:12:12 ih1537665 pppd[25294]: Exit.
Jun  5 14:12:12 ih1537665 systemd-timesyncd[405]: Synchronized to time server 91.189.89.199:123 (ntp.ubuntu.com).
Jun  5 14:12:37 ih1537665 xl2tpd[1279]: Unable to deliver closing message for tunnel 32068. Destroying anyway.
Jun  5 14:17:01 ih1537665 CRON[25610]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
Jun  5 14:49:00 ih1537665 xl2tpd[1279]: network_thread: recvfrom returned error 111 (Connection refused)
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: Connection established to 94.181.3.84, 41200.  Local: 51742, Remote: 6132 (ref=0/0).  LNS session is 'default'
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: start_pppd: I'm running:
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "/usr/sbin/pppd"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "plugin"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "pppol2tp.so"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "pppol2tp"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "8"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "pppol2tp_lns_mode"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "pppol2tp_tunnel_id"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "51742"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "pppol2tp_session_id"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "38605"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "passive"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "nodetach"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "192.168.42.1:192.168.42.200"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "refuse-pap"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "auth"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "require-chap"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "name"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "l2tpd"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "file"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: "/etc/ppp/options.xl2tpd"
Jun  5 14:49:07 ih1537665 xl2tpd[1279]: Call established with 94.181.3.84, PID: 25780, Local: 38605, Remote: 18427, Serial: 1
Jun  5 14:49:07 ih1537665 pppd[25780]: Plugin pppol2tp.so loaded.
Jun  5 14:49:07 ih1537665 pppd[25780]: pppd 2.4.7 started by root, uid 0
Jun  5 14:49:07 ih1537665 pppd[25780]: Using interface ppp1
Jun  5 14:49:07 ih1537665 pppd[25780]: Connect: ppp1 <-->
Jun  5 14:49:07 ih1537665 pppd[25780]: Overriding mtu 1500 to 1280
Jun  5 14:49:07 ih1537665 pppd[25780]: Overriding mru 1500 to mtu value 1280
Jun  5 14:49:07 ih1537665 systemd-udevd[25781]: link_config: autonegotiation is unset or enabled, the speed and duplex are not writable.
Jun  5 14:49:07 ih1537665 systemd-timesyncd[405]: Network configuration changed, trying to establish connection.
Jun  5 14:49:07 ih1537665 networkd-dispatcher[407]: WARNING:Unknown index 87 seen, reloading interface list
Jun  5 14:49:07 ih1537665 systemd-timesyncd[405]: Synchronized to time server 91.189.89.199:123 (ntp.ubuntu.com).
Jun  5 14:49:10 ih1537665 pppd[25780]: Overriding mtu 1500 to 1280
Jun  5 14:49:10 ih1537665 systemd-networkd[306]: ppp1: Gained carrier
Jun  5 14:49:10 ih1537665 systemd-timesyncd[405]: Network configuration changed, trying to establish connection.
Jun  5 14:49:10 ih1537665 pppd[25780]: Cannot determine ethernet address for proxy ARP
Jun  5 14:49:10 ih1537665 pppd[25780]: local  IP address 192.168.42.1
Jun  5 14:49:10 ih1537665 pppd[25780]: remote IP address 192.168.42.200
Jun  5 14:49:10 ih1537665 systemd-timesyncd[405]: Synchronized to time server 91.189.89.199:123 (ntp.ubuntu.com).
Jun  5 14:50:09 ih1537665 xl2tpd[1279]: Maximum retries exceeded for tunnel 43176.  Closing.
Jun  5 14:50:10 ih1537665 xl2tpd[1279]: Terminating pppd: sending TERM signal to pid 25573
Jun  5 14:50:10 ih1537665 systemd-networkd[306]: ppp0: Lost carrier
Jun  5 14:50:10 ih1537665 pppd[25573]: Terminating on signal 15
Jun  5 14:50:10 ih1537665 systemd-timesyncd[405]: Network configuration changed, trying to establish connection.
Jun  5 14:50:10 ih1537665 pppd[25573]: Connect time 38.5 minutes.
Jun  5 14:50:10 ih1537665 systemd-timesyncd[405]: Synchronized to time server 91.189.89.199:123 (ntp.ubuntu.com).
Jun  5 14:50:10 ih1537665 pppd[25573]: Sent 883244854 bytes, received 3941361048 bytes.
Jun  5 14:50:10 ih1537665 xl2tpd[1279]: Connection 25514 closed to 94.181.3.84, port 41200 (Timeout)
Jun  5 14:50:10 ih1537665 pppd[25573]: Overriding mtu 1500 to 1280
Jun  5 14:50:10 ih1537665 pppd[25573]: Overriding mru 1500 to mtu value 1280
Jun  5 14:50:15 ih1537665 pppd[25573]: Connection terminated.
Jun  5 14:50:15 ih1537665 systemd-timesyncd[405]: Network configuration changed, trying to establish connection.
Jun  5 14:50:15 ih1537665 pppd[25573]: Modem hangup
Jun  5 14:50:15 ih1537665 pppd[25573]: Exit.
Jun  5 14:50:15 ih1537665 systemd-timesyncd[405]: Synchronized to time server 91.189.89.199:123 (ntp.ubuntu.com).
Jun  5 14:50:40 ih1537665 xl2tpd[1279]: Unable to deliver closing message for tunnel 43176. Destroying anyway.
Jun  5 14:58:56 ih1537665 systemd[1]: Created slice User Slice of root.
Jun  5 14:58:56 ih1537665 systemd[1]: Starting User Manager for UID 0...
Jun  5 14:58:56 ih1537665 systemd[1]: Started Session 242 of user root.
Jun  5 14:58:57 ih1537665 systemd[25854]: Listening on GnuPG cryptographic agent and passphrase cache.
Jun  5 14:58:57 ih1537665 systemd[25854]: Listening on GnuPG network certificate management daemon.
Jun  5 14:58:57 ih1537665 systemd[25854]: Listening on GnuPG cryptographic agent and passphrase cache (restricted).
Jun  5 14:58:57 ih1537665 systemd[25854]: Listening on GnuPG cryptographic agent (ssh-agent emulation).
Jun  5 14:58:57 ih1537665 systemd[25854]: Reached target Timers.
Jun  5 14:58:57 ih1537665 systemd[25854]: Listening on GnuPG cryptographic agent and passphrase cache (access for web browsers).
Jun  5 14:58:57 ih1537665 systemd[25854]: Reached target Sockets.
Jun  5 14:58:57 ih1537665 systemd[25854]: Reached target Paths.
Jun  5 14:58:57 ih1537665 systemd[25854]: Reached target Basic System.
Jun  5 14:58:57 ih1537665 systemd[1]: Started User Manager for UID 0.
Jun  5 14:58:57 ih1537665 systemd[25854]: Reached target Default.
Jun  5 14:58:57 ih1537665 systemd[25854]: Startup finished in 658ms.
Jun  5 14:59:01 ih1537665 systemd-resolved[403]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Jun  5 15:03:28 ih1537665 systemd-resolved[403]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Логи сервера.

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Спустя прошедшее с момента создания темы на форуме время (месяцев: 12) приходится признать, что она не вызвала отклика у форумчан. Ввиду отсутствия ответов, по состоянию на 17/06/2020 модератором раздела принято решение тему закрыть.

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   --zg_nico