From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 25 Aug 2010 13:39:59 -0700 From: Stephen Hemminger Message-ID: <20100825133959.6b409cd8@nehalam> In-Reply-To: <4C75724F.2000400@free.fr> References: <4C752DD9.7040302@tiolive.com> <4C75724F.2000400@free.fr> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Subject: Re: [Bridge] Number of addresses limitation List-Id: Linux Ethernet Bridging List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Nicolas de =?ISO-8859-1?B?UGVzbG/8YW4=?= Cc: bridge@lists.linux-foundation.org On Wed, 25 Aug 2010 21:43:11 +0200 Nicolas de Peslo=FCan wrote: > Le 25/08/2010 16:51, Fran=E7ois Schmidts a =E9crit : > > Hi, > > > > I'm using bridge-utils to add a bunch of tap interfaces to my computer > > so I can run different qemu vm at the same time without using nat to > > give them network access. It works fine. > > > > But at the same time I would like to add a lot of IPv6s addresses to the > > bridge interface (br0). I find myself limitated to more or less 56 > > addresses. If I add one more, one of the addresses already existing just > > disappear from the br0 interface. > > > > Is there something I could do to remove or extent this limitation ? >=20 > Did you try the same IPv6 configuration on a normal ethernet NIC ? Do you= think this is a bridge=20 > only related problem ? >=20 Also what tools are you using? Don't use ifconfig (iputils) for IPv6; only ip command (iproute2) works correctly with multiple addresses. --=20