From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ray Van Dolson Date: Mon, 24 Jan 2005 16:28:53 +0000 Subject: Re: proxyarp, pppd does not remove the arp entries Message-Id: <20050124162853.GA8413@digitalpath.net> List-Id: References: <41F24B8E.2020600@spl-spindel.de> In-Reply-To: <41F24B8E.2020600@spl-spindel.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ppp@vger.kernel.org I use proxyarp and have not seen this problem myself. When users disconnect, the arp entry is properly cleared. However, I am using PPP 2.4.3 -- 2.4.1 is a bit old; have you considered upgrading? Ray On Sat, Jan 22, 2005 at 01:48:14PM +0100, Jochen Roedenbeck wrote: > I set up a dialin server with mgetty and pppd. It works in general, > but there is a strange problem. > > I use the option "proxyarp". When the connection is opened, an arp > entry is created with the address of the remote client, for example > 192.168.76.72, which I checked using "arp -n". All works fine. > > When the connection gets closed, the arp entry is not removed, as > it should. Instead the first number of the IP address, 192, is > changed to 191. > > The arp chache gets longer and longer, and after some time it does not > work any more. > > It is version 2.4.1 of pppd, and Linux kernel version 2.4.21. The > distribution is Suse. > > What can I do? > > Jochen Roedenbeck