[Openswan Users] Error in OPENSWAN with XL2TP

heta shah heta45 at gmail.com
Fri Jun 10 02:35:51 EDT 2011

Hello ,

I have return that listen-addr option but still issue is coming . XP clients
cannot connect to the VPN server with IPSEC with L2TP . Please help me.

ipsec verify
Checking your system to see if IPsec got installed and started correctly:
Version check and ipsec on-path                             [OK]
Linux Openswan U2.6.30/K2.6.35-22-generic (netkey)
Checking for IPsec support in kernel                         [OK]
SAref kernel support                                         [N/A]
NETKEY detected, testing for disabled ICMP send_redirects   [OK]
NETKEY detected, testing for disabled ICMP accept_redirects [OK]
Checking that pluto is running                               [OK]
Pluto listening for IKE on udp 500                           [OK]
Pluto listening for NAT-T on udp 4500                       [OK]
Checking for 'ip' command                                   [OK]
Checking for 'iptables' command                             [OK]
Opportunistic Encryption Support                             [DISABLED]


/etc/init.d/ipsec restart
ipsec_setup: Stopping Openswan IPsec...
ipsec_setup: ERROR: Module xfrm4_mode_transport is in use
ipsec_setup: ERROR: Module esp4 is in use
ipsec_setup: Starting Openswan IPsec U2.6.30/K2.6.35-22-generic...

In /var/log/auth.log this error is showing

a private network virtual IP was required, but the proposed IP did not match
our list (virtual_private=)

On Fri, Jun 10, 2011 at 6:05 AM, Paul Wouters <paul at xelerance.com> wrote:

> On Thu, 9 Jun 2011, heta shah wrote:
>  Jun  2 13:37:01 cloud-enjay xl2tpd[24456]: Listening on IP address
>>, port 1701
> Specify the specific IP you are going to listen on using listen-addr = For
> some reason this seems to make a difference....
> Paul

Thanks and Regards.

Heta Shah
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