01-19-2020 01:48 AM
Dear Team
I am a bit confuse with below terms while selecting product for one of my client. Please guide me a thorough knowledge of these terms or share the link which can guide me in a precise way.
1) Switching Capacity with Stacking
2) Forwarding rate with stacking
3) How to calculate Stacking bandwidth
4) Switching Wire Rate
01-19-2020 02:46 AM
Please read THIS.
01-19-2020 09:46 AM - edited 01-19-2020 09:48 AM
#4 wire rate means packets are sent at the maximum capacity of the wire. It's measured in packets per second, or PPS. For Ethernet, 10 Mbps wire rate, using minimum size packets (also w/o a VLAN header), is 14,880.0952 PPS. For other Ethernet bandwidth, scale up or down based on bandwidth. (NB: as packet size increases, PPS decreases [much] to maintain wire rate. Also as packet size increases the percentage of bandwidth devoted to overhead decreases [much] too.)
For your other questions, related to stacking, it gets a complicated parsing out real world performance/capacity vs. what the vendor's "sales" literature states.
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