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Re: [FW1] NOKIA IP440 and HA
Sorry, my bad, I knew that, I just hadn't had my coffee in the morning :)
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Larry Pingree
Sr. Security Consultant
Email: [email protected]
SiegeWorks
Company WebSite: http://www.siegeworks.com/
Security Installation, Training and Consulting
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----- Original Message -----
From: Jason Costomiris <[email protected]>
To: Larry Pingree <[email protected]>
Cc: Jan-Ivar Hansen <[email protected]>;
<[email protected]>
Sent: Friday, February 23, 2001 1:56 AM
Subject: Re: [FW1] NOKIA IP440 and HA
>
> On Wed, Feb 21, 2001 at 09:31:48AM -0800, Larry Pingree wrote:
> :
> : 1> The Nokia VRRP works by sending broadcasts out of the interfaces that
> : have the VRRP enabled on them, the broadcast domain is used as the
> : "heartbeat" rather than having a dedicated link between the boxes.
>
> Actually, they are not broadcasts, and we're all glad they aren't. :-)
> They're multicasts.... If they were broadcasts, everything on the
> segments directly connected to the IP's would have to process
> each and every hello packet to the tune of N per second, in the case
> of N units...
>
> With multicasts, a machine can elect to "not hear" the traffic.
>
> --
> Jason Costomiris <>< | Technologist, geek, human.
> jcostom {at} jasons {dot} org | http://www.jasons.org/
> Quidquid latine dictum sit, altum viditur.
> My account, My opinions.
>
>
>
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