Juniper EX9253 Hardware Manual page 12

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Software
The Juniper Networks EX Series Ethernet Switches run Junos OS, which provides Layer 2 and Layer 3
switching, routing, and security services.
Benefits of the EX9253 Switch
Simplified network architecture—EX9253 switches deliver a simple, secure, virtualized network
environment that increases business agility. They are ideal for simplifying campus, data center, and
combined campus and data center network environments by collapsing network layers. In a multichassis
link aggregation (MC-LAG) configuration in the campus, you can use EX9253 switches along with
EX4300, EX3400, and EX2300 switches to eliminate Spanning Tree Protocol (STP); they collapse the
core and aggregation layers, thereby simplifying the network architecture and network operations. In a
data center, you can use EX9253 switches to collapse core and aggregation layers. In combined campus
and data center environments, EX9253 switches consolidate network layers to simplify the network
architecture and operations.
MACsec support—EX9253-12C8Q-M line card supports IEEE 802.1AE MACsec with AES-256 bit
encryption, ensuring link-layer data confidentiality, data integrity, and data origin authentication.
Chassis Physical Specifications
The EX9253 switch is three rack units (3 U) in size. Each EX9253 switch is designed to optimize rack
space and cabling.
See Figure 1 on page 3, Figure 2 on page 4, and Figure 3 on page 4.
Figure 1: Front View of an EX9253 Switch