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Native 25GbE with 100GbE uplink ports on the QFX5120- 48Y, combined with 32 ports of 100GbE on the QFX5120- 32C, make

Model QFX5120-48Y-AFI
Device Type Switch – 48 ports – L3 – managed – stackable
Enclosure Type Back to front airflow rack-mountable 1U
Subtype 25 Gigabit Ethernet
Ports 48 x 1/10/25 Gigabit SFP28 + 8 x 40/100 Gigabit QSFP28
Performance Switching capacity: 2 Tbps ¦ Switching capacity: 1.31 Bpps
Capacity Virtual interfaces (VLANs): 4093 ¦ VLAN Spanning Tree Protocol instances: 509 ¦ Multiple Spanning Tree Protocol instances: 64 ¦ ARP entries: 64000 ¦ Link aggregation groups: 80 ¦ Maximum member ports per LAG: 64 ¦ IPv4 prefixes (Unicast): 351000 ¦ IPv4 hosts: 208000 ¦ IPv4 routes (Multicast): 104000 ¦ ECMP paths: 64 ¦ IPv6 prefixes (Unicast): 168000 ¦ IPv6 hosts: 104000 ¦ IPv6 routes (Multicast): 52000 ¦ Mirroring destination ports per switch: 4 ¦ Maximum number of mirroring sessions: 4 ¦ Mirroring destination VLANs per switch: 4 ¦ Queues per port: 10
MAC Address Table Size 288K entries
Jumbo Frame Support 9216 bytes
Routing Protocol OSPF, RIP, IS-IS, RIP-1, RIP-2, BGP, IGMPv2, IGMP, VRRP, OSPFv2, PIM-SM, PIM-DM, IGMPv3, PIM-SSM, MSDP, static IPv4 routing, static IPv6 routing, MPLS, Bidirectional Forwarding Detection (BFD), CIDR, RSVP
Remote Management Protocol SNMP 1, SNMP 2, RMON, Telnet, SNMP 3, HTTP, SSH, SSH-2, CLI, OVSDB
Encryption Algorithm MD5
Authentication Method RADIUS, TACACS+, Secure Shell v.2 (SSH2)
Features ARP support, IGMP snooping, store and forward, IPv6 support, Weighted Random Early Detection (WRED), Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, Data Center Bridging Exchange (DCBX) support, DHCP snooping, Trivial File Transfer Protocol (TFTP) support, Quality of Service (QoS), Bidirectional Forwarding Detection (BFD), IPv4 support, DHCP relay, Link Aggregation Control Protocol (LACP), Management Information Base (MIB), VLAN Spanning Tree Protocol (VSTP), built-in DIP switch, static routing, Class of Service (CoS), sFlow v5, Multicast Source Discovery Protocol (MSDP), multihoming, cut-through, IGMP filtering, Uplink Failure Detection (UFD), Storm Control, Weighted Tail Drop (WTD), Priority-Based Flow Control (PFC), Bridge protocol data unit (BPDU), Virtual Extensible LAN (VXLAN), Link Aggregation, Ethernet Virtual Private Network (EVPN), TCP/UDP port setting, Python runtime, Private VLAN, Zero-touch provisioning (ZTP), 4+1 redundant fans, MAC based VLAN, Routed VLAN Interface (RVI), port-based VLAN, Junos XML management protocol, VLAN trunking, Multichassis link aggregation (MC-LAG), Link Aggregation Group (LAG), remarking of bridged packets, static label-switched paths (LSPs), RSVP-based signaling of LSPs, LDP-based signaling of LSPs, LDP tunneling (LDP over RSVP), MPLS LSR support, image rollback, beacon LED, traffic mirroring
Compliant Standards IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1s, IEEE 802.1ad, IEEE 802.1ab (LLDP), IEEE 802.1Qbb, IEEE 802.1Qaz, Shaped Deficit Weighted Round-Robin (SDWRR)
Processor 1 x Intel: 2.2 GHz
Flash Memory 64 GB
Interfaces 48 x 1/10/25Gbit LAN SFP28 ¦ 8 x 100Gbit/40Gbit LAN QSFP28 ¦ 1 x USB 2.0 ¦ 1 x management (RS-232) ¦ 2 x management RJ-45
Power Device Internal power supply – hot-plug
Installed Qty 2
Power Redundancy Optional
Power Redundancy Scheme 1+1
Power Provided 650 Watt
Voltage Required AC 120/230 V
Power Consumption Operational 260 Watt
Rack Mounting Kit Included


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