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Hi Graeme,
I think that is a plausible explanation.
I'm sorry for my ignorance, but does this mean that the linux kernel
first looks whether a requested IP address is in the same subnet as the
localhost, before passing it to the routing table?
On Wed, 2008-11-12 at 12:29 +0000, Graeme Fowler wrote:
> On Wed, 2008-11-12 at 10:41 +0100, Pieter Temmerman wrote:
> > In every tutorial I have read on VLS, it stated that in order to receive
> > traffic on the VIP, the real servers should have the VIP assigned to the
> > lo:0 alias interface.
> >
> > When I do this, that particular server is unreachable and is either able
> > to reach other servers in the network. When I remove the lo:0 alias,
> > everything is back to normal again.
>
> Make sure you add the alias with a /32 netmask (255.255.255.255) or that
> host will suddenly believe the whole of the LAN it resides upon is bound
> to the loopback adapter.
>
> Graeme
>
>
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