From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 29 May 2008 15:58:19 -0700 From: Stephen Hemminger Message-ID: <20080529155819.7bce2324@extreme> In-Reply-To: <1E3D081C7B502B4A988F643E604CF96305610E@INDEXCH.corp.proxim.com> References: <1E3D081C7B502B4A988F643E604CF96305610E@INDEXCH.corp.proxim.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [Bridge] Please help me to know MAX Forwarding Table Size in Linux Bridge List-Id: Linux Ethernet Bridging List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Ritesh Majumdar Cc: bridge@lists.osdl.org On Wed, 28 May 2008 23:03:29 -0700 "Ritesh Majumdar" wrote: > > Hello, > > Thanks for putting such a nice document in net on Linux bridge. actually > I am working on integrating Linux bridge module with embedded OS which > is running Linux. It is very important for me to know maximum number of > MAC addresses Linux bridge can hold (I am using kernel 2.6.20).my > requirement is about 10000 MAC addresses learning capacity in forwarding > table. > > Is it possible for kernel to learn 10000 MAC addresses ...?? > > Hope someone will help me out with this, after looking through web over > two days I couldn't find any solution yet. > > Many Thanks, > Ritesh. > _______________________________________________ > Bridge mailing list > Bridge@lists.linux-foundation.org > https://lists.linux-foundation.org/mailman/listinfo/bridge The only limitation is kernel memory, so 10000 doesn't seem that large. Easy enough to test it and find out (using a script or various DoS tests).