[Rstplib-users] Re: RSTP Ring Size ?

[<rob...@ya...>]

Would anyone like to ask on this (see below) my
question, please ?
I realy need it...
Robert

 --- Robert Petroff <rob...@ya...> wrote:
> 
> Hi,
> 
> We hoped, that IEEE 802.1w (RSTP) will be able 
> to solve the problem of a big ring of Bridges.
> 
> (In the our legacy STP (IEEE 802.1d) bridges we had
> to "break" the spec.: we allow to exceed the value
> 40
> for MaxAge).
> 
> From the first view, we saw, that a new protocol is
> not so sensitive to the LAN diameter, because the
> message age behaves much more like a hop count
> in RSTP than it did in STP.
> 
> But now, it seems to us, the state is worse :(
> 
> I read the messages in your mailing list:
> a) of Richa Malhotra on
> http://www.ieee802.org/1/private/email/msg00221.html
> with subject "802.1w -- Message/Max age"
> b) of Alex Ruzin on
> http://www.ieee802.org/1/private/email/msg00423.html
> with subject "802.1w: How does LAN diameter depend
> on MaxAge ?"
> 
> It seems, that in IEEE 802.1w (RSTP) even our trick
> with MaxAge will not help to increase LAN diameter.
> 
> May anyone here provide with clarification, please ?
> 
> I humbly thank you in advance, Robert
> 
> 
>