
QFX Series switches secure and automate your data center networks. They build a strong underlay foundation for flexible and high-performance fabrics that improve network reliability and agility, helping to simplify the path to multicloud.
- 48Y
- Switch
- L3
- managed
- 48 x 1/10/25 Gigabit SFP28 + 8 x 40/100 Gigabit QSFP28
- front to back airflow
- rack-mountable
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 |
RAM |
16 GB |
Flash Memory |
64 GB |
Part Code
QFX5120-48Y-AFI2 | QFX5120-48Y-AFO2 |
QFX5120-48Y-DC-AFI2 | QFX5120-48Y-DC-AFO2 |
Recently viewed product
You can control fully on this carousel from store admin as describe in above section