[Openswan Users] VPN connects then disconnects after 1.1 minutes

[Satish Reddy]

Hi,

            I had a working VPN server before I updated. I had openswan
2.4.4 and pppd 2.4.2 with kernel 2.6.11-gentoo-r5. I then updated to latest
versions openswan 2.4.13-r2, l2tpd 0.70_pre20031121 and pppd 2.4.4 on gentoo
with kernel 2.6.11-gentoo-r5. 

 

After the upgrades I am not able to communicate through tunnel and it closes
the tunnel.

Tunnel establishes but no traffic flows from the VPN server to the VPN
Client Gateway. I am seeing ESP packets coming from VPN Client's Gateway to
VPN Server. And after 1.1 minutes pppd terminates connection.

 

Here are the logs I see just before terminating connection.

 

Jan 16 16:04:49 [pluto] "l2tp"[4] 66.92.79.15 #4: transition from state
STATE_QUICK_R1 to state STATE_QUICK_R2

Jan 16 16:04:49 [pluto] "l2tp"[4] 66.92.79.15 #4: STATE_QUICK_R2: IPsec SA
established {ESP=>0xb56abcff <0x332a9303 xfrm=3DES_0-HMAC_MD5
NATD=66.92.79.15:4500 DPD=none}

Jan 16 16:04:50 [l2tpd] control_finish: Connection established to
66.92.79.15, 1701.  Local: 28388, Remote: 9.  LNS session is 'default'_

Jan 16 16:04:50 [l2tpd] control_finish: Call established with 66.92.79.15,
Local: 16272, Remote: 1, Serial: 0_

Jan 16 16:04:50 [pppd] pppd 2.4.4 started by root, uid 0

Jan 16 16:04:50 [pppd] Using interface ppp0

Jan 16 16:04:50 [pppd] Connect: ppp0 <--> /dev/ttyp0

Jan 16 16:04:50 [pppd] Unsupported protocol 'Compression Control Protocol'
(0x80fd) received

Jan 16 16:04:50 [pppd] found interface eth0 for proxy arp

Jan 16 16:04:50 [pppd] local  IP address 10.0.0.200

Jan 16 16:04:50 [pppd] remote IP address 10.0.0.201

Jan 16 16:05:01 [cron] (root) CMD (/bin/run-parts /etc/cron.mrtg 1>
/dev/null)

Jan 16 16:05:55 [pppd] Terminating on signal 15

Jan 16 16:05:55 [pppd] Modem hangup

Jan 16 16:05:55 [pppd] Connect time 1.1 minutes.

Jan 16 16:05:55 [pppd] Sent 6324 bytes, received 22985 bytes.

Jan 16 16:05:55 [pppd] Connection terminated.

Jan 16 16:05:56 [pppd] Exit.

Jan 16 16:05:56 [l2tpd] call_close : Connection 9 closed to 66.92.79.15,
port 1701 (Timeout)_

 

I really appreciate your feedback.

 

Thanks

Satish

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