Juniper QFX5120 Series Hardware Manual page 22

NOTE:
The SFP-T transceivers are supported only on top or bottom ports, upto a maximum of 24 ports.
The SFP28 speed can be applied only for individual quads (four ports). The speed cannot be
configured for a single port.
The native 25-G ports available from port 0 through port 47 and can operate in 1-G, 10-G, or
25-G speeds based on the configuration set at the quad level. The QFX-512048Y switch offers
10-G interface support by default. You need to manually configure 1-G and 25-G interface speeds
in order to support 1-G and 25-G optics when required. To support 10-G speed for the same
port slot, you need to delete the 1-G/ 25-G port configuration that was set earlier.
For QFX5120-32C, you cannot configure four independent 10-Gigabit ports or four independent
25-Gigabit ports using breakout cables on port 31. However you can configure two independent
50-G ports on this port.
Both the QFX5120-32C and QFX5120-48Y offer :
A 2.2 GHz quad-core Intel CPU with 16 GB memory and 64 GB SSD storage
Feature-rich automation capabilities with support for Python and Zero Touch Provisioning (ZTP)
Support for Virtual Extensible LAN (VXLAN) as an L2 or L3 gateway and Open vSwitch Database (OVSDB)
protocol as an L2 gateway
Advanced Junos OS features such as EVPN, BGP add-path, MPLS, L3 VPN, and IPv6 6PE
Figure 5 on page 24 show the front panel of a QFX5120-32C Switch.
Figure 5: Front Panel of a QFX5120-32C Switch
QFX5120-32C
7 6
1 QSFP28 ports
—
2 Management port
—
3 SFP+ ports
—
4 USB port
—
1
5 Console port
—
6 Chassis status LED
—
7 Reset button
—
2 3 4
5 3
24