[OpenVPN home] [Date Prev] [Date Index] [Date Next]
[OpenVPN mailing lists] [Thread Prev] [Thread Index] [Thread Next]
Google
 
Web openvpn.net

[Openvpn-users] Re: Routing forever


  • Subject: [Openvpn-users] Re: Routing forever
  • From: Jochen Witte <jwitte@xxxxxxxxxxxxx>
  • Date: Thu, 20 Jan 2005 14:24:28 +0100

Am Thu, 20 Jan 2005 08:20:32 -0500 schrieb Leonard Isham:

> On Thu, 20 Jan 2005 13:28:32 +0100, Jochen Witte <jwitte@xxxxxxxxxxxxx> wrote:
>> Hello,
>> 
>> I am a newbie and have problems with routing:
>> 
>> I have a rather simple setup:
>> - 2 static, public ip servers (<pip1>, <pip2>)
>> - 2 private subnets (10.128.0.0/24, 192.168.0.0/24)
>> - OpenVPN network: 10.129.0.1<->10.129.0.2
>> 
>> Here is the picture:
>> 
>> Subnet A                 GW1            GW2           SubnetB
>> 10.128.0.0/24<--->10.128.0.1        192.168.0.254<--->192.168.0.0/24
>>                        |                 |
>>                   10.129.0.1        10.129.0.2
>>                    (<pip1>)<-------->(<pip2>)
>>                               VPN
>> 
>> So far my plan. OpenVPN works fine in these cases:
>> 
>> 1. GW1 <-> GW2
>> 2. GW1 <-> SubnetB
>> 3. SubnetA <-> GW2
>> 
>> It works NOT in this case:
>> 
>> 1. SubnetA <-> SubnetB
>> 
>> Obviously this is a routing problem (no firewalling, since all packets are
>> logged for debuggung).
>> 
>> GW1 routes:
>> 10.129.0.2  0.0.0.0         255.255.255.255 UH    0      0        0 tun0
>> <pipnet1>   0.0.0.0         255.255.255.248 U     0      0        0 eth1
>> 10.128.0.0  0.0.0.0         255.255.255.0   U     0      0        0 eth0
>> 192.168.0.0 10.129.0.2      255.255.255.0   UG    0      0        0 tun0
>> 169.254.0.0 0.0.0.0         255.255.0.0     U     0      0        0 eth1
>> 0.0.0.0     <default-gw>    0.0.0.0         UG    0      0        0 eth1
>> 
>> GW2 routes:
>> <default-gw>    0.0.0.0    255.255.255.255 UH    0      0        0 ppp0
>> 10.129.0.1      0.0.0.0    255.255.255.255 UH    0      0        0 tun0
>> 10.128.0.0      10.129.0.1 255.255.255.0   UG    0      0        0 tun0
>> 192.168.0.0     0.0.0.0    255.255.0.0     U     0      0        0 eth0
>> 0.0.0.0         <default-gw>  0.0.0.0      UG    0      0        0 ppp0
>> 
>> What have I missed. Seems to be a rather simple case...
>> 
> 
> This is a common problem among people new to routing, if my
> assumptions are correct.
> 
> 1. The OpenVPM servers are not the default gateway.
> 2. The default gateway does not have a route to the OpenVPN server for
> the subnet attached to the other OpenVPN server.
> 3. The Computers on each subnet do not have a route to the local
> OpenVPN server for the subnet attached to the other OpenVPN server.
> 
> If this is true then do either 2 or 3.

Nop, both are default gw. I am not soo new to routing :-)




____________________________________________
Openvpn-users mailing list
Openvpn-users@xxxxxxxxxxxxxxxxxxxxx
https://lists.sourceforge.net/lists/listinfo/openvpn-users