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 From:  "Joe Lagreca" <lagreca at gmail dot com>
 To:  "Jai Ketteridge" <jai at vtn dot net dot au>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] Cannot ping hosts across PPTP vpn reliably
 Date:  Fri, 26 Jan 2007 22:15:43 -0800
I am pinging via IP address, so its not a name resolution issue.

I have many m0n0walls setup without this issue, so I'm not quite sure
whats going on.

Joe


On 1/26/07, Jai Ketteridge <jai at vtn dot net dot au> wrote:
> Are you pinging by host name or by IP?
>
> I found that specifying a DNS server manually in the PPTP connection
> settings helps (ie monowalls IP if that is your local DNS server aswell).
>
> I currently use PPTP passthrough to a Windows DHCP server, so it assigns DNS
> automatically.
>
> JK
>
> -----Original Message-----
> From: Joe Lagreca [mailto:lagreca at gmail dot com]
> Sent: Saturday, 27 January 2007 7:38 AM
> To: m0n0wall at lists dot m0n0 dot ch
> Subject: [m0n0wall] Cannot ping hosts across PPTP vpn reliably
>
> I am having a very strange problem.  I have setup m0n0wall PPTP VPN's at
> multiple locations with no problems.  At this one particular location, if I
> uncheck "use default gateway on remote network" (in the windows PPTP vpn
> config), I am not able to reliably ping hosts on the network.  They will
> typically time out.
>
> However I can ping .1 (the m0n0wall LAN IP) and .224 the PPTP gateway.
>  If I use the ping function within the m0n0wall GUI, and am able to ping the
> hosts.  If I switch my VPN settings to use the default gateway, I am able to
> ping the hosts.
>
> Has anyone run into this?  Would it have something to do with Proxy ARP?  I
> do have multiple IP's assigned in Server NAT.  But I am VPN'ing to the WAN
> IP, and am not using the other IP's I have assigned, yet.
>
> Thanks!
>
> Joe
>
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