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On Mon, Oct 30, 2000 at 07:47:44AM -0500, Joseph Mack wrote:
> Ard van Breemen wrote:
> > On the router the routeing to the VIP net
> > is gatewayed to the DIP.
> You've handled it.
Yep. But I could not find it in the howto... And the solution
was really simple...
> This is one of the ways of handling the arp problem. Some people do not
> have access to the router. When you fail-out a director, the MAC address of
> the VIP changes. Check that the entry in the router gets flushed.
Well, what really seems to help is to set the arp timeout values rather
high on the router, and let the new director broadcast unsolicitied
arp's (arping -U dip) for the dip. In our production set-up (not
load balanced, and fail-over by aliasing the IP's and upping it
and broadcasting the arps) this is common practice. After the first arp,
the router knows the new mac of the dip.
And yes, we do have access to the router :)...
--
Ard van Breemen, T(elegraaf)E(lektronische)M(edia)
http://www.faqs.org/rfcs/rfc1855.html
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