[ILUG] Heartbeat and intelligent switches

[Colin Whittaker]

As colm has said this just mostly works, only other feature to be wary of is
port-security where the switch only allows on MAC per switch port. 
Once the network people up the limit on the ports facing your servers it
shouldn't be a problem.

Colin

On Mon, Jun 06, 2005 at 01:49:35PM +0100, Niall O Broin wrote:
> I've used heartbeat (http://www.linux-ha.org) a few times before, 
> rather successfully - it just works. However, I'm now looking at 
> deploying it fro a project in a large organisation which has a very 
> expensive network infrastructure and there is some concern about how 
> their switches will react when packets from IP address w.x.y.z suddenly 
> start arriving in on port B when they used arrive on port A (I presume 
> this is an ARP issue of some sort). This has never been an issue 
> whenever I've used heartbeat before, but it has been raised by the 
> networking people in this organisation.
> 
> I realise that without more details about the networking 
> infrastructure, which I don't currently have, it might be hard to say, 
> but I'll ask anyway. In general, can this cause a problem, and if so, 
> how can it be obviated?
> 
> 
> 
> Niall
> 
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> Irish Linux Users' Group
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> 
> 

-- 
Colin Whittaker					+353 (0)86 8211 965
						    colin at netech.ie