48 Port 100GbE Uplink Full-Duplex Half-Duplex Communication Mode Network Switch QFX5120-48Y-AFO

A high-performance 48-port network switch featuring full-duplex and half-duplex communication modes with customizable 100GbE uplink capabilities and AC power ports, designed for enterprise and data center environments.

• 2 management ports: 2 x RJ-45 ports
• 1GbE SFP: 48 (24 copper 1GbE)
• 10GbE SFP+: 48/80 (with breakout cable)
• 25GbE SFP: 48/80 (with breakout cable)
• 40GbE QSFP+: 8 (configurable as 4 x 10GbE or 40 Gbps)
• 100GbE QSFP28: 8 (configurable as 4 x 25GbE or 100 Gbps)
• SFP GbE optical and copper modules
• SFP+ 10GbE optical modules
• SFP+ direct attach copper (DAC) cables: 1/3/5 m options
• SFP28 DAC cables: 1/3 m twinax copper
• SFP28 optics: Short reach (SR), long reach (LR)
• QSFP+ to SFP+: 10GbE direct attach breakout copper

• Dual redundant (1+1) hot-pluggable 650 W AC/DC power supplies
• 100-240 V single phase AC power
• -48 to -60 V DC power supply
• Redundant 4+1 hot-pluggable fan modules
• Front-to-back or back-to-front airflow options

• STP-IEEE 802.1D, RSTP (IEEE 802.1w), MSTP (IEEE 802.1s)
• BPDU protect, Loop protect, Root protect
• VLAN-IEEE 802.1Q VLAN trunking
• Routed VLAN interface (RVI), Port-based VLAN
• Private VLAN (PVLAN), VLAN translation
• Link Aggregation Control Protocol (LACP) IEEE 802.3ad
• MACsec with AES256 (QFX5120-48YM only)
• Virtual Chassis support (up to 4 members)

• Static routing and dynamic routing protocols (RIP, OSPF, IS-IS, BGP)
• Virtual Router Redundancy Protocol (VRRP)
• Virtual router implementation
• DHCP relay and Proxy ARP

• MAC-VRF multiple EVPN instances with various service types
• Symmetric inter-IRB routing with anycast gateway
• Proxy IGMPv2-EVPN route types 6/7/8
• ARP/ND proxy/suppression
• ESI-LAG A/A multihoming
• Enhanced Ethernet loop detection
• VLAN-id overlapping using SP-style interfaces

• Secure interface login with RADIUS and TACACS+
• Ingress and egress filters with multiple actions
• SSH v1, v2 support
• Storm control and port error disable with autorecovery
• DHCP snooping and source MAC address filtering

• L2 and L3 QoS: Classification, rewrite, queuing
• Rate limiting with ingress policing and egress shaping
• 10 hardware queues per port (8 unicast and 2 multicast)
• SPQ, SDWRR, WRED, weighted tail drop
• 802.1p remarking and congestion avoidance

• Role-based CLI management via console, telnet, or SSH
• SNMP v1/v2/v3 and Junos XML management protocol
• sFlow v5 and JTI for traffic monitoring
• ZTP, OpenStack Neutron Plug-in, Python support
• Comprehensive IEEE 802.1 and 802.3 standards compliance
• T11 FC-BB-5 standard for IP storage