Hello,
after ~1h the vpn connection to my UTM is closed.
2013:09:09-12:11:45 Firewall openl2tpd[23308]: PROTO: tunl 23301: HELLO received from peer 4
2013:09:09-12:12:45 Firewall openl2tpd[23308]: PROTO: tunl 23301: sending HELLO
2013:09:09-12:12:54 Firewall openl2tpd[23308]: FSM: CCE(23301) event XPRT_DOWN in state ESTABLISHED
2013:09:09-12:12:54 Firewall openl2tpd[23308]: PROTO: tunl 23301: sending STOPCCN to peer 4
2013:09:09-12:12:54 Firewall openl2tpd[23308]: FUNC: tunl 23301 down
2013:09:09-12:12:54 Firewall openl2tpd[23308]: FSM: CCE(23301) state change: ESTABLISHED --> CLOSING
2013:09:09-12:12:54 Firewall openl2tpd[23308]: PROTO: tunl 23301/25184: sending CDN to peer 4/1
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: Terminating on signal 15
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: Connect time 57.4 minutes.
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: Sent 11389716 bytes, received 2121663 bytes.
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: Script /etc/ppp/ip-down started (pid 1857)
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: Overriding mtu 1500 to 1380
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: PPPoL2TP options: lnsmode tid 23301 sid 25184 debugmask 0
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: Overriding mru 1500 to mtu value 1380
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: sent [LCP TermReq id=0x3 "User request"]
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: id="2202" severity="info" sys="SecureNet" sub="vpn" event="Connection terminated" username="***" variant="l2tp" srcip="***" virtual_ip="192.168.178.2"
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: Script /etc/ppp/ip-down finished (pid 1857), status = 0x0
2013:09:09-12:12:55 Firewall openl2tpd[23308]: FSM: CCE(23301) event XPRT_DOWN in state CLOSING
2013:09:09-12:12:57 Firewall pppd-l2tp[24057]: sent [LCP TermReq id=0x4 "User request"]
2013:09:09-12:13:00 Firewall pppd-l2tp[24057]: Connection terminated.
2013:09:09-12:13:00 Firewall pppd-l2tp[24057]: Modem hangup
2013:09:09-12:13:00 Firewall pppd-l2tp[24057]: Exit.
after ~1h the vpn connection to my UTM is closed.
2013:09:09-12:11:45 Firewall openl2tpd[23308]: PROTO: tunl 23301: HELLO received from peer 4
2013:09:09-12:12:45 Firewall openl2tpd[23308]: PROTO: tunl 23301: sending HELLO
2013:09:09-12:12:54 Firewall openl2tpd[23308]: FSM: CCE(23301) event XPRT_DOWN in state ESTABLISHED
2013:09:09-12:12:54 Firewall openl2tpd[23308]: PROTO: tunl 23301: sending STOPCCN to peer 4
2013:09:09-12:12:54 Firewall openl2tpd[23308]: FUNC: tunl 23301 down
2013:09:09-12:12:54 Firewall openl2tpd[23308]: FSM: CCE(23301) state change: ESTABLISHED --> CLOSING
2013:09:09-12:12:54 Firewall openl2tpd[23308]: PROTO: tunl 23301/25184: sending CDN to peer 4/1
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: Terminating on signal 15
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: Connect time 57.4 minutes.
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: Sent 11389716 bytes, received 2121663 bytes.
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: Script /etc/ppp/ip-down started (pid 1857)
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: Overriding mtu 1500 to 1380
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: PPPoL2TP options: lnsmode tid 23301 sid 25184 debugmask 0
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: Overriding mru 1500 to mtu value 1380
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: sent [LCP TermReq id=0x3 "User request"]
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: id="2202" severity="info" sys="SecureNet" sub="vpn" event="Connection terminated" username="***" variant="l2tp" srcip="***" virtual_ip="192.168.178.2"
2013:09:09-12:12:54 Firewall pppd-l2tp[24057]: Script /etc/ppp/ip-down finished (pid 1857), status = 0x0
2013:09:09-12:12:55 Firewall openl2tpd[23308]: FSM: CCE(23301) event XPRT_DOWN in state CLOSING
2013:09:09-12:12:57 Firewall pppd-l2tp[24057]: sent [LCP TermReq id=0x4 "User request"]
2013:09:09-12:13:00 Firewall pppd-l2tp[24057]: Connection terminated.
2013:09:09-12:13:00 Firewall pppd-l2tp[24057]: Modem hangup
2013:09:09-12:13:00 Firewall pppd-l2tp[24057]: Exit.