Thanks! I have tested the L4 option with two servers behind the LB and it works great. The only problem I notice is that it doesn't seem to allow NAT for anything that originates from the inside (ex: updates). Is this expected behavior?
On Wed, Jul 31, 2013 at 1:20 PM, Laura Garcia <[email protected]> wrote: > Hi Jack, > > ok, will be included in the guide. > > Regarding the L4 farms, it's possible to configure the farm as DNAT ot full > NAT. The first is only used if you need the source ip visible in the backend > and the second one is the sNAT known method where clients see the VIP of the > farm and the backend see the IP from the load balancer. > > Hope this helps. > > Regards. > > > On Sun, Jul 28, 2013 at 11:36 PM, Jack Scagnetti <[email protected]> > wrote: >> >> I guess the biggest confusion is that fact it doesn't specify you will >> need to add a static route to your other gateways so it knows to pass >> traffic destined for the isolated network to the LB. >> In a L4xNAT config, does the LB NAT only traffic requested externally >> or will it NAT all traffic from the real servers? >> >> >> >> On Sun, Jul 28, 2013 at 5:15 PM, Laura Garcia <[email protected]> wrote: >> > Hi, I reply you below >> > >> > >> > On Fri, Jul 26, 2013 at 3:38 PM, Jack Scagnetti <[email protected]> >> > wrote: >> >> >> >> Then I find the quick start guide very confusing. It says it needs an >> >> isolated network for it to work which would imply some sort of >> >> masquerading. >> > >> > >> > No, it does not imply to do any masquerading and the guide is not >> > referring >> > to NAT in any way for the load balancer. >> > The NAT should be done by the backends in the uplink farms case, which >> > are >> > the routers or firewalls with direct internet access with public IP. >> > Also, the guide is not saying anything about the public IP address in >> > the >> > load balancer and is absolutely a bad idea. >> > >> > >> >> >> >> The only way it would ever be able to work the way you describe with >> >> the datalink setting is if you had your own IP space and a ASN to >> >> allow routing across 2 different providers. >> >> >> > >> > The guide is just describing the way to do load balancing between uplink >> > lines for which we've to create 3 different subnets through 3 different >> > network interfaces in the load balancer and creating a balancer routing >> > gateway in it. Also, maybe some rules in the backends or firewalls >> > should be >> > included to detect the client subnet as a local network. >> > >> > Please, let me know which part of the guide is confusing for you. >> > >> > Regards. >> > >> >> >> >> >> >> >> >> >> >> >> >> On Fri, Jul 26, 2013 at 2:40 AM, Laura Garcia <[email protected]> wrote: >> >> > Hi Jack, >> >> > >> >> > The uplink farm do not use NAT, it just transform the load balancer >> >> > in a >> >> > GW >> >> > with load balanced routes, so the source IP is not modified. If you >> >> > need >> >> > to >> >> > do NAT then you've to try the L4xNAT farms. >> >> > >> >> > Regards. >> >> > >> >> > >> >> > On Thu, Jul 25, 2013 at 10:35 PM, Jack Scagnetti >> >> > <[email protected]> >> >> > wrote: >> >> >> >> >> >> I’ve been following the uplink quick start guide ( >> >> >> >> >> >> >> >> >> >> >> >> http://www.zenloadbalancer.org/web/index.php?page=quick-start-guide-for-uplinks-load-balancing-with-zen-load-balancer >> >> >> ) and I seem to be having an issue with how NAT is working. >> >> >> >> >> >> >> >> >> Simple layout: >> >> >> >> >> >> 10.4.10.1 (GW) >> >> >> | >> >> >> | >> >> >> 10.4.10.91 (eth0) >> >> >> [ZLB] >> >> >> 192.168.100.91 (eth2) >> >> >> | >> >> >> | >> >> >> 192.168.100.105 >> >> >> >> >> >> >> >> >> The NAT'ed VM can ping both sides of the LB but cannot ping the GW >> >> >> or >> >> >> beyond. >> >> >> I tried a SSH attempt to something else on the eth0 network and it's >> >> >> seeing the attempt coming from the .105 IP as if not's being >> >> >> masqueraded at all. >> >> >> >> >> >> Is there something missing from the guide? >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> ------------------------------------------------------------------------------ >> >> >> See everything from the browser to the database with AppDynamics >> >> >> Get end-to-end visibility with application monitoring from >> >> >> AppDynamics >> >> >> Isolate bottlenecks and diagnose root cause in seconds. >> >> >> Start your free trial of AppDynamics Pro today! >> >> >> >> >> >> >> >> >> >> >> >> http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk >> >> >> _______________________________________________ >> >> >> Zenloadbalancer-support mailing list >> >> >> [email protected] >> >> >> https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support >> >> > >> >> > >> >> > >> >> > >> >> > >> >> > ------------------------------------------------------------------------------ >> >> > See everything from the browser to the database with AppDynamics >> >> > Get end-to-end visibility with application monitoring from >> >> > AppDynamics >> >> > Isolate bottlenecks and diagnose root cause in seconds. >> >> > Start your free trial of AppDynamics Pro today! >> >> > >> >> > >> >> > http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk >> >> > _______________________________________________ >> >> > Zenloadbalancer-support mailing list >> >> > [email protected] >> >> > https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support >> >> > >> >> >> >> >> >> >> >> ------------------------------------------------------------------------------ >> >> See everything from the browser to the database with AppDynamics >> >> Get end-to-end visibility with application monitoring from AppDynamics >> >> Isolate bottlenecks and diagnose root cause in seconds. >> >> Start your free trial of AppDynamics Pro today! >> >> >> >> >> >> http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk >> >> _______________________________________________ >> >> Zenloadbalancer-support mailing list >> >> [email protected] >> >> https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support >> > >> > >> > >> > >> > ------------------------------------------------------------------------------ >> > See everything from the browser to the database with AppDynamics >> > Get end-to-end visibility with application monitoring from AppDynamics >> > Isolate bottlenecks and diagnose root cause in seconds. >> > Start your free trial of AppDynamics Pro today! >> > >> > http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk >> > _______________________________________________ >> > Zenloadbalancer-support mailing list >> > [email protected] >> > https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support >> > >> >> >> ------------------------------------------------------------------------------ >> See everything from the browser to the database with AppDynamics >> Get end-to-end visibility with application monitoring from AppDynamics >> Isolate bottlenecks and diagnose root cause in seconds. >> Start your free trial of AppDynamics Pro today! >> >> http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk >> _______________________________________________ >> Zenloadbalancer-support mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support > > > > ------------------------------------------------------------------------------ > Get your SQL database under version control now! > Version control is standard for application code, but databases havent > caught up. So what steps can you take to put your SQL databases under > version control? Why should you start doing it? Read more to find out. > http://pubads.g.doubleclick.net/gampad/clk?id=49501711&iu=/4140/ostg.clktrk > _______________________________________________ > Zenloadbalancer-support mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support > ------------------------------------------------------------------------------ Get your SQL database under version control now! Version control is standard for application code, but databases havent caught up. So what steps can you take to put your SQL databases under version control? Why should you start doing it? Read more to find out. http://pubads.g.doubleclick.net/gampad/clk?id=49501711&iu=/4140/ostg.clktrk _______________________________________________ Zenloadbalancer-support mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/zenloadbalancer-support
