From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Laurens van Alphen" Date: Thu, 15 Aug 2002 15:34:23 +0000 Subject: RE: [LARTC] Advance Routing Guidance Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable To: lartc@vger.kernel.org > so my Question is-->possible without **MASQUERADE** ??.. will the=20 > setup(as shown in docs) loadbalance for our real ip's ?? Short answer: No. Long answer: You should first answer the question: what kind of LB do you want? Incoming= , outgoing or both? If you want incoming only, you don't need Julian's patc= hes, nor NAT per s=E9. You can use DNS to balance your incoming connections= and assing every backend server two IP addresses: one from both IP ranges. If you want outgoing LB, or both: Julian's patches work when you have more than one IP range, but each IP ran= ge is going only through one provider, that is: you do not have PI address = space and do not use BGP4 to announce your routes through multiple provider= s. If you do have PI address space and speak BGP4, you don't need Julian's = patches nor do you need NAT. This is probably not your case, and the IP ranges you received from your pr= oviders are PA, that is they are part of the larger address space of your p= rovider. This means that IP range 1 will only come through provider 1 and I= P range 2 will only flow through provider 2. Because of this: if you don't use NAT and assign an IP from IP range 1 to s= ome machine, the server will never be able to use the link through provider= 2, because his address is from IP range 1 and will only flow through provi= der 1 (read above). For this to work, you THUS need NAT. Why don't you want to use NAT? NAT is not dirty. NAT is stable, fast, secur= e and saves you from renumbering your network when you switch providers. Hope this is clear and helps, if not, ask. Cheers, Laurens van Alphen Keen on dots _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/