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Re: [Openvpn-users] ARP Problem??

  • Subject: Re: [Openvpn-users] ARP Problem??
  • From: James Yonan <jim@xxxxxxxxx>
  • Date: Mon, 6 Dec 2004 19:49:20 -0700 (MST)

> I have a question. I have a tunnel between two VPN servers, and when one
> of them restarts the link (because of --ping-restart) the clients behind
> the server can no longer use the VPN until the server is restarted.
> Could it be because of the TAP adapters not having a fixed MAC
> address,so when the adapter is reinitialized, the MAC adress
> changes/messes up the ARP routing table??

The client would need to restart as well if the server is restarting.  
ping/ping-restart/keepalive can help the client to restart in this case.  
When the Windows client restarts, it should do an ARP flush on the TAP 
adapter, to clear out any stale entries.


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