Nexus 5600 is the NEXT GENERATION of Nexus 5500
They support their features.
They have VXLAN, NVGRE, DFA,.
Line rate Layer 3
40G uplinks
Bigger buffers and bigger tables.
The main architecture
Core
Spine
Leaf
The SPINE is Nexus 5696Q
The modules that go in it are.
12 * 40G module FCoE capable
20 * 10G Unified module FCoE or 8/4/2 Fibre
4* 100G CXP
The LEAFS are
5624Q
5648Q
These switches come half populated and you can add a module called
5624Q expansion module.
1 Microsecond
each port is 40 Gbps
32000 IPV4
VXLAN
Mainly though you need this for FCoE and ethernet.
If your servers are not 40G and you wish to hook up 10G ports
You can add another layer.
The 5672UP
6 QSFP+ ports and 48 SFP+ ports
They can run 2/4/8 , 10G, FCoE
The 56128P
The base is 48 ports SFP+ and 4 QSFP+
They can be expanded with a module.
The module is 2 QSFP+ and 24 SFP+
They are all FCoE, 2/4/8 Fibre and 10G ethernet