L3 Environment Core Layer

This layer uses dedicated switches for connecting the BZX Equities, BYX Equities, EDGA Equities, EDGX Equities, BZX Options, EDGX Options, and C2 Options environments Top of Rack (ToR) switches with the DC Core layer. Uplinks use the vendor default hashing algorithm.

Table 1. L3 Environment Core Layer
DC Location	Environment	Quantity	Make	Model	Switching Mode
NY5	BZX Equities	2	Arista	DCS-7260CX3-64E-R	Cut-Through
NY5	BYX Equities	2	Arista	DCS-7260CX3-64E-R	Cut-Through
NY5	EDGA Equities	2	Arista	DCS-7260CX3-64E-R	Cut-Through
NY5	EDGX Equities	2	Arista	DCS-7260CX3-64E-R	Cut-Through
NY5	BZX Options	2	Arista	DCS-7260CX3-64E-R	Cut-Through
NY5	EDGX Options	2	Arista	DCS-7260CX3-64E-R	Cut-Through
NY5	C2 Options	2	Arista	DCS-7260CX3-64E-R	Cut-Through

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L3 Environment Core Layer