[Openvpn-users] OpenVPN on OS X

["Jim O'Gorman" <jogorman@xxxxxxxxx>]

Hello there, I am hoping someone might have seen this problem before.

I am setting up OpenVPN as a WEP replacement for OS X 10.3 clients. I
have it working fine for routing to a private IP range, but when I
add:

push "redirect-gateway local def1"

to the server, after I start up the client I get errors of:

Wed Apr  6 00:09:54 2005 GID set to nobody
Wed Apr  6 00:09:54 2005 UID set to nobody
Wed Apr  6 00:09:54 2005 Initialization Sequence Completed
Wed Apr  6 00:09:54 2005 write UDPv4: No buffer space available (code=55)
Wed Apr  6 00:09:54 2005 write UDPv4: No buffer space available (code=55)
Wed Apr  6 00:09:54 2005 write UDPv4: No buffer space available (code=55)
Wed Apr  6 00:09:54 2005 write UDPv4: No buffer space available (code=55)
Wed Apr  6 00:09:54 2005 write UDPv4: No buffer space available (code=55)

on the Client. While the connection was "up" I tried a ping to see
what would happen, and I get:

$ ping 192.168.100.1
PING 192.168.100.1 (192.168.100.1): 56 data bytes
ping: sendto: No buffer space available

Going through the FAQ, I see this error for Linux, but obviously that
fix does not translate directly to OS X.

Using sysctl, I found these options:

net.local.stream.recvspace: 8192
net.local.stream.sendspace: 8192

that I thought might be related. But, I wanted to double check with
others that might have seen this before.

Some more information, right after I closed down the connection,
netstat reported this:

187 mbufs in use:
        181 mbufs allocated to data
        2 mbufs allocated to packet headers
        3 mbufs allocated to socket names and addresses
        1 mbufs allocated to Appletalk data blocks
211/1028 mbuf clusters in use
2102 Kbytes allocated to network (22% in use)
0 requests for memory denied
0 requests for memory delayed
0 calls to protocol drain routines

The tun driver I am using is the one from
http://www-user.rhrk.uni-kl.de/~nissler/tuntap/.

Anyone have any suggestions on what I may try to resolve this?

Thanks
Jim

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