Everyone:

I've been trying to deploy some new VPN servers (with tunneling both in and out) running either mpd 5.3 or PoPToP on FreeBSD 8.0. Alas, I have been having a terrible time doing it. I'm getting error messages relating to routing, and connections which are supposed to have proxy ARP aren't getting it.

On mpd 5.3, I'm seeing error messages such as

Feb 2 16:45:22 <kern.info> 9milegate kernel: ifa_add_loopback_route: insertion failed

and

Feb 2 16:46:02 <kern.info> 9milegate kernel: lla_rt_output: RTM_ADD publish (proxy only) is invalid

I thought that the problem might be mpd, and so switched to userland PPP with PoPToP -- a combination that has worked for me before. But I saw similar messages:

Feb 2 18:22:35 <user.notice> testgate ppp[1184]: tun2: testuser pptpnocrypto connected as 172.18.4.26 Feb 2 18:22:39 <daemon.warn> testgate ppp[1187]: tun3: Warning: iface add: ioctl(SIOCAIFADDR, 172.18.0.1 -> 172.18.4.8
9): File exists
Feb 2 18:22:39 <kern.info> testgate kernel: ifa_add_loopback_route: insertion failed Feb 2 18:22:39 <kern.info> testgate kernel: ifa_del_loopback_route: deletion failed

Ideas?

--Brett Glass

P.S. -- Please copy me directly on all responses, as I am not currently subscribed to the list.

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