So I imagine that might help with latency, but is it going to have any affect on bit rate throughput?
On 9 April 2013 21:05, Chuck Anderson <c...@wpi.edu> wrote: > On Tue, Apr 09, 2013 at 11:48:36AM -0700, joel jaeggli wrote: > > On 4/9/13 11:15 AM, Tom Storey wrote: > > >Hey all. > > > > > >A colleague of mine tells me that, if you have a single stackable switch > > >(not in a stack obviously) and do not loop the two stacking ports on the > > >back using the stacking cable that comes in the box, then you reduce the > > >effective throughput of the switch. > > > > The ex4200's asic has a capacity of 136Gb/s from the front panel > > ports which is 100% of line rate across all ports. I don't imagine > > connecting the asic back to itself is that useful or usable > > topology. > > It does make a positive difference to loop back the stack cable on a > standalone unit. See this diagram: > > http://blog.cochard.me/2010/08/juniper-ex-4200-internal-pfe-routing-in.html > > Connecting from ports 0-23 to 24-47 has to normally cross 3 internal > PFEs. If you connect VCP-0 to VCP-1, then it only has to cross 2 > PFEs. > _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp