Hi.

On 30.07.2012 20:14, Bernard Higonnet wrote:
Hello,

Hope this is the right place to mail...

I have two networks A and B.

One machine on A runs an MPD5 server.

On network B I have machine X which has an MPD5 client used to establish a connection the VPN server on machine Z in network A. Seems to work fine (ping, ssh, etc.). This machine is also set up as a gateway. When I look at the routing table, it looks OK, all references to A being sent to Z.

On network B I also have machine Y. On this machine I have added a route which specifies that network A is to accessed via machine X.

It would appear (sic) that requests from Y to a machine on A are received by that machine. However, nothing ever comes back.

All these machines are running FreeBSD, 8 on Z, and 9.0 on X and Y.

I'm hoping I have forgotten some very obvious thing which a kind soul will point out to me so I don't have to tcpdump everything all over the place...

So.... Z is an mpd, X is a client, Y is a machine behind a client. X sees Z, Y doesn't see Z because Z isn't answering, however, Z sees incoming packets. My guess - Z doesn't know where is the B network, as when X is exchanging packets with Z, it does it by using it's p2p-address.

Try to see the output of 'route -n get <B network ip address>' on Z.
If I'm right - add a route, via bundle matching or via up-script, or manually, or use nat on X.

Eugene.
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