John,
we are considering these nexus switches as a core for a small (for now)
exchange point, so there will definitely be multiple ports talking to
one and vice versa. Let's say the switch would be utilized up to 90% (45
ports in case of 5548, 90 in case of 5596), half of the active ports
Hi Jiri,
These total numbers are not a problem, all ports are equal and all
traffic goes to the fabric on every port. You will only see drops in
this scenario if you have bursts of traffic going from many to one port
for a period of time larger than the buffers will allow. Remember, the
Hi Jiri,
This sounds pretty straightfoward, the thing you need to look at most
closely now is the traffic flows. Being all 10G is good because you
will be cut-through switching unless there is congestion, which causes
you to queue (store and forward).
Do you expect multiple ports to be
Hi Jiri,
The bandwidth to the fabric is dedicated and the expansion modules have
their own forwarding engines on them, so they are no different than the
base ports except that they can be swapped out.
What kind of traffic are you interested in running? Unicast, multicast,
QoS requirements?
Jiri,
The numbers everyone is referencing below are correct with the
caveat (already referenced) regarding RAW traffic VS. Real traffic. We
are in the early stages of a N7k/N5k/N2k deployment ourselves and are
learning more and more every day about the various subtleties in the
various
John,
thank you for a reply. I am interrested in unicast traffic only, no L3,
no QoS requirements, low-latency is not needed, 10G ports only. Switches
would be used for a standard Internet traffic flows.
I am really interrested in these switches, but I don't want to buy a pig
in a poke..
Hi,
we are considering investment in a few Nexus 5596 switches. All Cisco
documents say it has 96 non-blocking 10G ports (for L2). Is it _really_
true? Can the switch reach throughput of 960 Gbps regardless the traffic
distribution? Is't there some hidden limitaion, which is not presented
by
On 27.01.2012 02:30, Jiri Prochazka wrote:
Hi,
we are considering investment in a few Nexus 5596 switches. All Cisco
documents say it has 96 non-blocking 10G ports (for L2). Is it _really_
true? Can the switch reach throughput of 960 Gbps regardless the traffic
distribution? Is't there some
