[Openvpn-users] Multiple client help

[Doug Lytle <support@xxxxxxxxxxxxxxx>]

Hello everybody,

I seem to be having difficulties getting multiple tunnels to work 
concurrently.

My setup is as follows:

O/S:                Mandrake 9.0
OpenVPN      1.5 final

Network 1:      192.168.104.0/24 (NIC)
Network 2:      192.168.113.0/24 (NIC)

OpenVPN setup:

(1) tun device
(2) tap devices

Tun device is a P2P between 192.168.104.0/24 and 192.168.113.0/24 and 
has been working fine for months.

I've recently upgraded from 1.32 to 1.5 to support road warriors.

I have the following symptoms.

tap0 device to road warrior 1 works fine, but when initializing tap1 to 
road warrior 2, device connects but fails to access network.  Both 
points of the tap1 devices show 'rwrwrw', so data is going though.  When 
tap0 device is terminated, tap1 device starts working.

I've tried using ifconfig and hard coding the IP address for the Windows 
boxes via the network applet with the same results

My questions are:

   1.)      Is tun device interfering?
   2.)      Did I compile OpenVPN incorrectly?
   3.)      Is there something wrong with my .conf files?

Config files below:

### Mandrake Server (tap0) ###

# Device type
dev tap

# Server adapter Virtual IP
ifconfig 192.168.200.1 255.255.255.0

# SSL Key
secret keys/static.key

# Tunnel UDP Port(1 port per tunnel)
port 5001

# Restart Control
persist-key
persist-tun
ping-timer-rem
ping-restart 60
ping 10

# Compression
comp-lzo

# UID
user nobody
#group nobody

# Additional Windows settings
tun-mtu-extra 32
tun-mtu 1500

# Log detail level
verb 4

# Keeps repeated entries to a minimum
mute 10

______________________________

### Mandrake Server (tap1) ###

# Device type
dev tap

# Server adapter Virtual IP
ifconfig 192.168.200.2 255.255.255.0

# SSL Key
secret keys/static.key

# Tunnel UDP Port(1 port per tunnel)
port 5002

# Restart Control
persist-key
persist-tun
ping-timer-rem
ping-restart 60
ping 10

# Compression
comp-lzo

# UID
user nobody
#group nobody

# Additional Windows settings
tun-mtu-extra 32
tun-mtu 1500

# Log detail level
verb 4

# Keeps repeated entries to a minimum
mute 10

_________________________________

### Windows 2000 (Road Warrior 1) ###

# Remote server
remote Some_IP_Address

# Tunnel UDP Port(1 port per tunnel)
port 5001

# Device type (Tap for Windows Tun for Linux)
dev tap

# SSL Key
secret static.key

# Restart Control
ping-restart 60
ping-timer-rem
up-delay 5
up office.up.bat
persist-tun
persist-key
resolv-retry 86400

# keep-alive ping
ping 10
tun-mtu-extra 32
tun-mtu 1500

# enable LZO compression
comp-lzo

# Log detail level
verb 4
# Keeps repeated entries to a minimum
mute 10
_________________________________

### Windows XP Pro (Road Warrior 2) ###

# Remote server
remote Some_IP_Address

# Tunnel UDP Port(1 port per tunnel)
port 5002

# Device type
dev tap

# SSL Key
secret static.key

# Restart Control
ping-restart 60
ping-timer-rem
up-delay 5
up office.up.bat
persist-tun
persist-key
resolv-retry 86400

# keep-alive ping
ping 10
tun-mtu-extra 32
tun-mtu 1500

# enable LZO compression
comp-lzo

# Log detail level
verb 4
# Keeps repeated entries to a minimum
mute 10

All suggestions will be appreciated.

Doug Lytle


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