[Spread-users] performance again

Jan Rickes jan.rickes at neofonie.de
Wed Jul 31 07:59:33 EDT 2002

Theo Schlossnagle schrieb:
> Jan Rickes wrote:
> >hello list!
> >
> >we did some spflooder tests and we were increasing the number of hosts (linux).
> >we realized, that spread seams to get slower by each added host.
> >
> >
> Out of curiosity, what type of switching hardware are you using?
cisco catalyst 3500 series xl switches

> Is it multicast-aware and if so is that feature enabled?
yes, they are but they are not able of igmp snooping...

> Have you tried using broadcast instead of multicast?
no. we can't use broadcast because they will stand in different net segments.

> What is the latency between each of the machines?  
sorry, i don't know this.

>Can the backplane of your switch support that much traffic?
in our tests there where just 5 hosts.


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