QFX5120-48Y-AFO2 Juniper Networks QFX Series 48 X 1/10/25 Gigabit Ports Layer 3 Managed Switch

Switching Capacity

Interface

• 2 management ports: 2 x RJ-45 ports
• 1GbE SFP: 48
• 10GbE SFP+: 48/80(with breakout cable)
• 25GbE SFP: 48/80 (with breakout cable)
• 40GbE QSFP+: 8 (each QSFP+ port can be configured as a 4 x 10GbE interface or as a 40 Gbps port)
• 100GbE QSFP28: 8 (each QSFP28 port can be configured as a 4 x 25GbE interface or as a 100 Gbps port)
• SFP GbE optical and copper module
• SFP+ 10GbE optical modules
• SFP+ direct attach copper (DAC) cables: 1/3/5 m twinax copper and 1/3/5/7 m active twinax copper
• SFP28 DAC cables: 1/3 m twinax copper
• SFP28 optics: Short reach (SR), long reach (LR)
• QSFP+ to SFP+: 10GbE direct attach breakout copper (1/3 m twinax copper cable)

• QSFP+ DAC cables: 1/3 m twinax copper
• QSFP+ optics: SR4, LX4, ESR4, ER4, LR4
• QSFP28 optics: SR4, ER4, PSM4, CWDM4, LR4

Layer 2 Features

• STP—IEEE 802.1D (802.1D-2004)
• Rapid Spanning Tree Protocol (RSTP) (IEEE 802.1w); MSTP (IEEE 802.1s)
• Bridge protocol data unit (BPDU) protect
• Loop protect
• Root protect
• RSTP and VSTP running concurrently
• VLAN—IEEE 802.1Q VLAN trunking
• Routed VLAN interface (RVI)
• Port-based VLAN
• Private VLAN (PVLAN)
• VLAN translation
• Static MAC address assignment for interface
• Per VLAN MAC learning (limit)
• MAC learning disable
• Link Aggregation and Link Aggregation Control Protocol (LACP) (IEEE 802.3ad)
• MACsec with AES256 (QFX5120-48YM only)
• Virtual chassis—up to 2 members on QFX5120-48Y, QFX5120-32C and QFX5120-48T

Layer 3 Features (IPv4)

• Static routing
• Routing protocols (RIP, OSPF, IS-IS, BGP)
• Virtual Router Redundancy Protocol (VRRP)
• Virtual router
• Dynamic Host Configuration Protocol (DHCP) relay
• Proxy Address Resolution Protocol (ARP)