[c-nsp] unknown unicast flooding - particularly regarding fhrp's

[Nick Hilliard]

On 21/01/2013 17:31, Aaron wrote:
> Ha love it.  Thanks Nick
> 
> What is the definition of "large L2 domain" please. ?

this sort of size:

|.....................................|

:-)

Nick


> Aaron
> 
> -----Original Message-----
> From: Nick Hilliard [mailto:nick at foobar.org] 
> Sent: Monday, January 21, 2013 11:12 AM
> To: Aaron
> Cc: cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] unknown unicast flooding - particularly regarding
> fhrp's
> 
> On 21/01/2013 16:56, Aaron wrote:
>> is it all about lower arp timeouts below 300 secs so to artificially 
>> prop-up bridge tables and keep them fresh?  My goodness that's making 
>> arp very busy.
> 
> It's all about keeping the cam timeout on your switch higher than the arp
> timeout on your routers and servers.  ARP won't be particularly busy because
> you're not going to have large L2 domains, right?  Right?
> 
> Nick
>