Cisco DS3 performance specifications
Neil J. McRae
neil at DOMINO.ORG
Tue May 8 15:45:18 UTC 2001
The cards are engine 0 and there is no hardware switching - I've seen
issues on this card - one port has heavy load and the other ports
start dropping packets, WRED helped with this but not by much. I'd
be interested in your tests.
> To any and all in earshot,
> I am engaged in setting up a sytems level test lab for the purposes of
> among other items, DS3 performance and interoperability between Cisco 12000
> and several new and emerging edge switch devices.
> In order to set a baseline for performance expectations, I am attempting to
> historical data on earlier testing.
> The nasty rumor I am hearing is that Cisco DS3 interfaces at best deliver 50
> - 60 % throughput.
> This is supposedly attributed to the way they apply their Traffic Shaping
> and Policing at the port level.
> I need to obtain documentation that either validates this, or presents the
> correct information.
> Many of the edge devices involved in the testing, support high levels of
> even at the channelized subrate. An increased need to buffer the data, to
> for a potential mismatch in bandwidth capabilities, would just add to the
> and sour the testing.
> Any and all information is valued and appreciated.
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