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Cisco Nexus 3550 Comparison

Nexus 3550-F Fusion L2

Nexus 3550-F Fusion Mux

Nexus 3550-F Fusion HPT

Nexus 3550-F Fusion L1

Nexus 3550-H Hydra L1-144

Nexus 3550-H Hydra L1-160

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General

Rack Unit:111111
Maximum port count and options:48p SFP+/12p QSFP+48p SFP+/12p QSFP+48p SFP+/12p QSFP+48p SFP+/12p QSFP+36p QSFP+20p QSFP-DD
Number of switching channels:48484848144160
Data rates supported:100M1, 1G, 10G, 40G2100M1, 1G, 10G, 40G2100M1, 1G, 10G, 40G2100M1, 1G, 10G, 40G21G, 10G, 40G11G, 10G, 40G1
Buffer:1.5MB shared1.5MB shared32GB shared

Layer 1

Layer 1 switching (min latency):Yes (3ns)Yes (3ns)Yes (3ns)Yes (3ns)Yes (5ns)Yes (5ns)

Layer 2 multiplexing

Layer 2 multiplexing (min latency):Yes (39ns3)Yes (39ns3)
Layer 2 multiplexing features:Max fan-in 48:1Max fan-in 48:1
VLAN tag/trunkingVLAN tag/trunking
IGMP snoopingIGMP snooping
MAC learningMAC learning
Layer 2 demultiplexingLayer 2 demultiplexing

Layer 2 switching

Layer 2 switching (min latency):Yes (95ns)
Layer 2 switching features:MAC learning
VLAN tag/trunking
IGMP snooping

Layer 2 timestamping

Layer 2 timestamping (resolution):Yes (2.8ns)Yes (2.8ns)Yes (70ps)
Layer 2 timestamping features:Max fan-in 48:1Max fan-in 48:1Max fan-in 40:1
Max instances 4Max instances 4Max instances 1
Max outputs per instance 1Max outputs per instance 1Max outputs per instance 8

Notes

1100MbE only supported at layer 1. SFP module and functionality limitiations apply.1100MbE only supported at layer 1. SFP module and functionality limitiations apply.1100MbE only supported at layer 1. SFP module and functionality limitiations apply.1100MbE module and functionality limitiations apply.140GbE interoperability limitations apply.140GbE interoperability limitations apply.
240GbE only supported at layer 1, interoperability limitations apply. 240GbE only supported at layer 1, interoperability limitations apply. 240GbE only supported with 40G firmware and QSFP+ line card. Layer 1, interoperability limitations apply. 240GbE interoperability limitations apply. --
3Minimum latency not available at maximum fan-in or with layer 2 features3Minimum latency not available at maximum fan-in or with layer 2 features----