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L2TP VPN Disconnects After 60 Minutes

Hey Folks,

I'm running the L2TP VPN Server, and I noticed that 60 minutes on the dot I will be disconnected. I did some searching on the Forums and Known Issues, and I discovered a past bug that was fixed for v7. Curious if perhaps it has reappeared in v8?

http://www.astaro.com/lists/Known_Issues-ASG-V7.txt

ID08349 7.200 L2TP connection terminates after 60 minutes
----------------------------------------------------------
Description:  Most L2TP connections are terminated after 60 minutes by the
              VPN backend. This mainly happens when some control packets
              are lost between client and server.
Workaround:   ---
Fix:          Fixed in 7.301

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0 veenenen over 13 years ago

Sorry for the delay, I was away for a couple weeks and also wanted to upgrade my astaro system to 2G of ram before I helped debug further. I'm now running 8.201 and still seeing the same drop off after 1 hour on my mac. Here are some log files.

I am running pure l2tp -> ipsec and not cisco.

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: rcvd [LCP TermReq id=0x2 "Peer not responding"]

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: LCP terminated by peer (Peer not responding)

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: Connect time 61.3 minutes.

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: Sent 765011 bytes, received 189502 bytes.

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: Script /etc/ppp/ip-down started (pid 12962)

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: Overriding mtu 1500 to 1380

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: PPPoL2TP options: lnsmode tid 46096 sid 55862 debugmask 0

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: Overriding mru 1500 to mtu value 1380

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: sent [LCP TermAck id=0x2]

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: Terminating on signal 15

2011:08:30-10:29:50 gateway pppd-l2tp[10803]: id="2202" severity="info" sys="SecureNet" sub="vpn" event="Connection terminated" username="eric" variant="l2tp" srcip="208.66.133.121" virtual_ip="192.168.40.162"

2011:08:30-10:29:50 gateway pppd-l2tp[10803]: Script /etc/ppp/ip-down finished (pid 12962), status = 0x0

2011:08:30-10:29:52 gateway pppd-l2tp[10803]: Modem hangup

2011:08:30-10:29:52 gateway pppd-l2tp[10803]: Connection terminated.

2011:08:30-10:29:52 gateway pppd-l2tp[10803]: Exit.

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Plugin aua.so loaded.

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: AUA plugin initialized.

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Plugin ippool.so loaded.

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Plugin pppol2tp.so loaded.

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: pppd 2.4.5 started by (unknown), uid 0

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: using channel 93

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Using interface ppp0

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Connect: ppp0  

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Overriding mtu 1500 to 1380

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: PPPoL2TP options: lnsmode tid 58623 sid 38047 debugmask 0

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Overriding mru 1500 to mtu value 1380

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: sent [LCP ConfReq id=0x1    ]

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: rcvd [LCP ConfReq id=0x1    ]

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: sent [LCP ConfAck id=0x1    ]

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: rcvd [LCP ConfAck id=0x1    ]

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Overriding mtu 1500 to 1380

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: PPPoL2TP options: lnsmode tid 58623 sid 38047 debugmask 0

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: sent [CHAP Challenge id=0x3a , name = "gateway.ericveenendaal.com"]

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: rcvd [LCP EchoReq id=0x0 magic=0x43ddc14e]

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: sent [LCP EchoRep id=0x0 magic=0xc25c45a5]

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: rcvd [CHAP Response id=0x3a , name = "eric"]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: AUAconnect - Returned IPAddr *

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: AUA: authentication of user eric succeeded

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: sent [CHAP Success id=0x3a "S=F491404D0752AFBA189E4CD2C6FB51AF99072E8C M=Access granted"]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: sent [IPCP ConfReq id=0x1 ]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: rcvd [IPCP ConfReq id=0x1   ]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: sent [IPCP ConfNak id=0x1   ]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: rcvd [proto=0x8057] 01 01 00 0e 01 0a 02 1f 5b ff fe ec 96 3a

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: Unsupported protocol 'IPv6 Control Protovol' (0x8057) received

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: sent [LCP ProtRej id=0x2 80 57 01 01 00 0e 01 0a 02 1f 5b ff fe ec 96 3a]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: rcvd [proto=0x8235] 01 01 00 10 01 06 00 00 00 01 02 06 00 00 00 01

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: Unsupported protocol 'Apple Client Server Protocol Control' (0x8235) received

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: sent [LCP ProtRej id=0x3 82 35 01 01 00 10 01 06 00 00 00 01 02 06 00 00 00 01]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: rcvd [IPCP ConfAck id=0x1 ]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: rcvd [IPCP ConfReq id=0x2   ]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: sent [IPCP ConfAck id=0x2   ]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: found interface eth0 for proxy arp

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: local  IP address 192.168.40.161

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: remote IP address 192.168.40.162

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: Script /etc/ppp/ip-up started (pid 13048)

2011:08:30-10:30:03 gateway pppd-l2tp[13027]: id="2201" severity="info" sys="SecureNet" sub="vpn" event="Connection started" username="eric" variant="l2tp" srcip="208.66.133.121" virtual_ip="192.168.40.162"

2011:08:30-10:30:03 gateway pppd-l2tp[13027]: Script /etc/ppp/ip-up finished (pid 13048), status = 0x0

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0 veenenen over 13 years ago

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: rcvd [LCP TermReq id=0x2 "Peer not responding"]

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: LCP terminated by peer (Peer not responding)

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: Connect time 61.3 minutes.

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: Sent 765011 bytes, received 189502 bytes.

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: Script /etc/ppp/ip-down started (pid 12962)

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: Overriding mtu 1500 to 1380

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: PPPoL2TP options: lnsmode tid 46096 sid 55862 debugmask 0

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: Overriding mru 1500 to mtu value 1380

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: sent [LCP TermAck id=0x2]

2011:08:30-10:29:49 gateway pppd-l2tp[10803]: Terminating on signal 15

2011:08:30-10:29:50 gateway pppd-l2tp[10803]: id="2202" severity="info" sys="SecureNet" sub="vpn" event="Connection terminated" username="eric" variant="l2tp" srcip="208.66.133.121" virtual_ip="192.168.40.162"

2011:08:30-10:29:50 gateway pppd-l2tp[10803]: Script /etc/ppp/ip-down finished (pid 12962), status = 0x0

2011:08:30-10:29:52 gateway pppd-l2tp[10803]: Modem hangup

2011:08:30-10:29:52 gateway pppd-l2tp[10803]: Connection terminated.

2011:08:30-10:29:52 gateway pppd-l2tp[10803]: Exit.

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Plugin aua.so loaded.

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: AUA plugin initialized.

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Plugin ippool.so loaded.

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Plugin pppol2tp.so loaded.

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: pppd 2.4.5 started by (unknown), uid 0

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: using channel 93

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Using interface ppp0

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Connect: ppp0  

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Overriding mtu 1500 to 1380

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: PPPoL2TP options: lnsmode tid 58623 sid 38047 debugmask 0

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Overriding mru 1500 to mtu value 1380

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: sent [LCP ConfReq id=0x1    ]

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: rcvd [LCP ConfReq id=0x1    ]

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: sent [LCP ConfAck id=0x1    ]

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: rcvd [LCP ConfAck id=0x1    ]

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: Overriding mtu 1500 to 1380

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: PPPoL2TP options: lnsmode tid 58623 sid 38047 debugmask 0

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: sent [CHAP Challenge id=0x3a , name = "gateway.ericveenendaal.com"]

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: rcvd [LCP EchoReq id=0x0 magic=0x43ddc14e]

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: sent [LCP EchoRep id=0x0 magic=0xc25c45a5]

2011:08:30-10:30:00 gateway pppd-l2tp[13027]: rcvd [CHAP Response id=0x3a , name = "eric"]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: AUAconnect - Returned IPAddr *

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: AUA: authentication of user eric succeeded

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: sent [CHAP Success id=0x3a "S=F491404D0752AFBA189E4CD2C6FB51AF99072E8C M=Access granted"]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: sent [IPCP ConfReq id=0x1 ]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: rcvd [IPCP ConfReq id=0x1   ]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: sent [IPCP ConfNak id=0x1   ]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: rcvd [proto=0x8057] 01 01 00 0e 01 0a 02 1f 5b ff fe ec 96 3a

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: Unsupported protocol 'IPv6 Control Protovol' (0x8057) received

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: sent [LCP ProtRej id=0x2 80 57 01 01 00 0e 01 0a 02 1f 5b ff fe ec 96 3a]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: rcvd [proto=0x8235] 01 01 00 10 01 06 00 00 00 01 02 06 00 00 00 01

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: Unsupported protocol 'Apple Client Server Protocol Control' (0x8235) received

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: sent [LCP ProtRej id=0x3 82 35 01 01 00 10 01 06 00 00 00 01 02 06 00 00 00 01]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: rcvd [IPCP ConfAck id=0x1 ]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: rcvd [IPCP ConfReq id=0x2   ]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: sent [IPCP ConfAck id=0x2   ]

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: found interface eth0 for proxy arp

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: local  IP address 192.168.40.161

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: remote IP address 192.168.40.162

2011:08:30-10:30:02 gateway pppd-l2tp[13027]: Script /etc/ppp/ip-up started (pid 13048)

2011:08:30-10:30:03 gateway pppd-l2tp[13027]: id="2201" severity="info" sys="SecureNet" sub="vpn" event="Connection started" username="eric" variant="l2tp" srcip="208.66.133.121" virtual_ip="192.168.40.162"

2011:08:30-10:30:03 gateway pppd-l2tp[13027]: Script /etc/ppp/ip-up finished (pid 13048), status = 0x0

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