Cisco Nexus 9372PX vs Juniper QFX Series QFX5100-48S
Side-by-side specifications from the vendors' own documents. The Cisco Nexus 9372PX is a first-generation 1U fixed datacenter leaf switch providing 48 ports of 1G/10G SFP+ and 6 ports of 40G QSFP+ uplinks. The Juniper QFX5100-48S is a 1U top-of-rack datacenter switch delivering 48 ports of 1G/10G SFP/SFP+ and 6 ports of 40G QSFP+.
| Cisco Nexus 9372PX | Juniper QFX Series QFX5100-48S | |
|---|---|---|
| Brand | Cisco | Juniper |
| Status | end-of-sale | end-of-sale |
| Released | Jun 2014 | Oct 2013 |
| Form factor | 1U fixed switch | 1U fixed switch |
| Downlink ports | 48x 1G/10G SFP+ optical/copper ports | — |
| Uplink ports | 6x 40G QSFP+ optical ports | — |
| Switching capacity | 1.44 Tbps non-blocking bandwidth | 1.44 Tbps / 1.08 Bpps wire-speed forwarding performance |
| Forwarding rate | Up to 1,150 Mpps | — |
| Airflow | Port-side exhaust or port-side intake airflow options | — |
| Operating modes | Cisco NX-OS or Cisco ACI Leaf mode | — |
| Ports | — | 48x 10GbE SFP+ and 6x 40GbE QSFP+ ports |
| Latency | — | Sub-microsecond latency (approx. 550 nanoseconds in cut-through mode) |
| Features | — | Virtual Chassis, Virtual Chassis Fabric (VCF), VXLAN L2 gateway, and Junos ISSU |
| Power and cooling | — | Dual redundant hot-swappable AC or DC power supplies with reversible airflow |
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