From mboxrd@z Thu Jan 1 00:00:00 1970 From: George Alexandru Dragoi Subject: Re: bridge + nat Date: Mon, 19 Jul 2004 21:17:55 +0300 Sender: netfilter-admin@lists.netfilter.org Message-ID: <3063e504071911176fbdbad4@mail.gmail.com> References: <3063e5040718224645349687@mail.gmail.com> <200407191025.44076.Antony@Soft-Solutions.co.uk> <3063e504071907313a194279@mail.gmail.com> <200407191548.30354.Antony@Soft-Solutions.co.uk> <3063e5040719103222676063@mail.gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <3063e5040719103222676063@mail.gmail.com> Errors-To: netfilter-admin@lists.netfilter.org List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: Content-Type: text/plain; charset="us-ascii" To: netfilter False Alarm There is no voip, it is just that computer with a modem for fax stuff, the friend who asked for help just told me. Anyway,it is good to know i can't use the bridge that way. Thank you Anthony again On Mon, 19 Jul 2004 20:32:55 +0300, George Alexandru Dragoi wrote: > Somebody told methere are situations where you can specify to voip > software(or hardware, i have no ideea how voip works) which ip should > expect to have for port forward situations. Well seems i have to stay > with windows and winproxy who like to suggest to browsers to download > index.html from google.com :), and no QoS. > > Thank you for clarifying > > > > On Mon, 19 Jul 2004 15:48:30 +0100, Antony Stone > wrote: > > On Monday 19 July 2004 3:31 pm, George Alexandru Dragoi wrote: > > > > > That is what i wanted to do, with 2 NICs to make a bridge between > > > internet and the LAN, assign the public ip to one of the LAN machine, > > > and prite ips to the rest of machines, and to hope it will work, seems > > > not, i hoped i could do this. > > > > No. With 2 NICs you can either bridge, or route, but not both. > > > > With 3 NICs you could bridge 2 of them together, and route between the bridged > > pair and the 3rd NIC, however in this situation I think you would need to > > have an IP address on the bridged pair, and you say you have only 1 public IP > > address available? > > > > > If the voip hardware/software wont work > > > in nat with port forward, i wont change there with linux. > > > Maybe there is a suggestion for that voip, or if i can do this with 3 > > > NICs, and 1 single public IP. > > > > With only 1 public IP address I think you are stuck as soon as you assign that > > address to any machine except the VoIP server. > > > > Why do people keep on coming up with protocols which don't work across NAT? > > > > NAT works at OSI layer 3. Any higher level protocols should not care about > > it. > > > > Regards, > > > > Antony. > > > > -- > > There's no such thing as bad weather - only the wrong clothes. > > > > - Billy Connolly > > > > > > > > Please reply to the list; > > please don't CC me. > > > > >