Thanks for the explanation Bill. Can you please elaborate where you mention:
"You'll actually lose link failure detection" What exactly is link failure detection ? I understand the meaning of the words in isolation but can you elaborate in the load balancing / Pfsense context ? "Whichever link came up last will set the route to your monitor IP through it." So then, say WAN2 was the last WAN port to come up and the monitor addresses were set to the same IP address, would it then only route traffic through WAN2 ? Best regards, Mike Mike Lever ---------------------------------------------------------------------------- ---------------- +27 82 903 8613 - Mobile +27 11 807 0100 - Telephone +27 11 807 1208 - Fax ---------------------------------------------------------------------------- ---------------- http://www.velocityfilms.com -----Original Message----- From: Bill Marquette [mailto:[EMAIL PROTECTED] Sent: 01 Dec 2008 10:46 PM To: [email protected] Subject: Re: [pfSense Support] Monitor IP address On Mon, Dec 1, 2008 at 2:41 PM, Mike Lever <[EMAIL PROTECTED]> wrote: > Hi, > > Can somebody please explain to me exactly how this works. I am having an > argument with my superior. He is insistent on setting the monitor IP > addresses in my load balancer pool to the same IP address. In his mind it > makes sense, as that way it will pick up which line is the fastest to the > same point and route accordingly. Yeah, that won't work. > I read in the manuals that these IP addresses should be unique, and > therefore did as the manual said. What will happen if they are set to the > same address and why is that so ? You'll actually lose link failure detection. Whichever link came up last will set the route to your monitor IP through it. > Here is my thinking on how it works, please correct me where I am going > wrong. > > I have 5 WAN ports. The load balancer will constantly ping WAN1, WAN2,WAN3, > WAN4 & WAN5 simultaneously. Depending on which has the quickest response and > is not currently transmitting packets, it will utilise. Then why set the > unique IP addresses ? Usually the monitor IP is set to the next hop so you can detect link failure. Latency is not taken into account. --Bill --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] Commercial support available - https://portal.pfsense.org --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] Commercial support available - https://portal.pfsense.org
