Juniper QFX5100-48T-AFI is a 1U high-performance Ethernet switch designed for data center access and top-of-rack deployments. It provides 48 100M/1G/10G RJ-45 ports and 6 QSFP+ uplink ports for flexible copper and high-speed aggregation connectivity. The switch includes redundant fans, redundant AC power supplies, and back-to-front airflow for reliable operation in hot-aisle/cold-aisle environments.
| Properties | Juniper QFX5100-48T-AFI |
| Description | QFX5100, 48 100M/1G/10G RJ-45 ports, 6 QSFP+ ports, redundant fans, redundant AC power supplies, back-to-front airflow |
| Product Family | QFX5100 Series |
| Product Type | Ethernet Switch |
| Dimensions (H x W x D) | 1.72 x 17.36 x 21.47 in (4.37 x 44.09 x 54.54 cm) |
| Weight | 24.8 lb (11.2 kg) |
| Power Consumption | 335 W |
| Switching Mode | Cut-through and store-and-forward |
| Ports | 48 x 100M/1G/10G RJ-45 ports, 6 x QSFP+ ports |
| 100 Mbps RJ-45 | 48 |
| 1GbE RJ-45 | 48 |
| 10GbE RJ-45 | 48 |
| 10GbE SFP+ | 24 (with breakout cable) |
| 40GbE QSFP+ | 6 |
| QSFP+ Options | Each QSFP+ port can be configured as 4 x 10GbE or 1 x 40GbE |
| Management Ports | 1 x USB, 1 x console port |
| Rack Installation Kit | Versatile four-post mounting options for 19-in server rack or datacom rack |
| Airflow | Back-to-front cooling with redundant variable-speed fans |
| Power Supply and Fan Modules | Dual redundant (1+1) hot-pluggable power supplies; redundant (N+1) hot-pluggable fan modules |
| Specifications | QFX5100-48T-AFI |
| Switching capacity | 1.44 Tbps / 1.08 Bpps |
| MAC addresses per system | 288,000 |
| VLAN IDs | 4,096 |
| Number of link aggregation groups (LAGs) | 128 |
| Number of ports per LAG | 32 |
| Number of FCoE VLANs/FC Virtual Fabrics | 4,095 |
| Firewall filters | 4,000 |
| IPv4 unicast routes | 128,000 prefixes; 208,000 host routes; 644 ECMP paths |
| IPv4 multicast routes | 104,000 |
| IPv6 multicast routes | 52,000 |
| IPv6 unicast routes | 64,000 prefixes |
| ARP entries | 48,000 |
| Jumbo frame | 9,216 bytes |
| Spanning Tree Protocol (STP) | Multiple Spanning Tree Protocol (MSTP) instances: 64 VLAN Spanning Tree Protocol (VSTP) instances: 253 |
| Traffic mirroring | Mirroring destination ports per switch: 4 Maximum number of mirroring sessions: 4 Mirroring destination VLANs per switch: 4 |
| Software Specifications | |
| 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 MAC address filtering Private VLAN (PVLAN) QinQ VLAN Translation Static MAC address assignment for interface Per VLAN MAC learning (limit) MAC learning disable Link Aggregation and LACP (IEEE 802.3ad) IEEE 802.1AB Link Layer Discovery Protocol (LLDP) |
| Layer 3 Features (IPv4) | Static routing Routing policy 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) |
| Multicast Features | Internet Group Management Protocol (IGMP): v1, v2, v3 IGMP snooping: v1, v2, v3 IGMP Filter PIM-SM Multicast Source Discovery Protocol (MSDP) Secure interface login and password RADIUS TACACS+ Ingress and egress filters SSH v1, v2 Static ARP support Storm control, port error disable, and autorecovery Control plane denial-of-service (DoS) protection Dynamic ARP Inspection (DAI) Sticky MAC address DHCP snooping |
| Link Aggregation | Multi-chassis link aggregation (MC-LAG) Redundant Trunk Group (RTG) LAG load sharing for bridged or routed traffic |
| Quality of Service (QoS) | L2 and L3 QoS: classification, rewrite, queuing Ingress and egress policing Egress shaping: per queue on each port 12 hardware queues per port (8 unicast and 4 multicast) LLQ, SDWRR, WRED, weighted tail drop 802.1p remarking |
| Data Center Bridging (DCB) | Priority-based flow control (PFC)—IEEE 802.1Qbb Enhanced Transmission Selection (ETS)—IEEE 802.1Qaz Data Center Bridging Exchange Protocol (DCBX) |
| Fibre Channel over Ethernet (FCoE) | FCoE transit switch FCoE session path learning FCoE session health monitoring Graceful restart for FIP snooping FC-BB-6 VN2VN snooping |
| Virtual Chassis | 40GbE and 10GbE as Virtual Chassis port Virtual Chassis Routing Engine (RE) election Virtual Chassis pre-provisioning Auto-LAG formation of Virtual Chassis ports Mixed Virtual Chassis support GRES, NSR, NSB |
| High Availability | Topology-independent in-service software upgrade (TISSU) Sub-second Bidirectional Forwarding Detection (BFD) Uplink failure detection (UFD) |
| MPLS | Static LSPs RSVP-based signaling of LSPs LDP-based signaling of LSPs LDP tunneling (LDP over RSVP) MPLS CoS MPLS ACL/policers MPLS LSR support IPv6 tunneling (6PE) MPLS OAM—LSP ping IPv4 L3 VPN (RFC 2547, 4364) |
| Management and Operations | Role-based CLI management and access CLI via console, telnet, or SSH Extended ping and traceroute Junos OS configuration rescue and rollback Image rollback SNMP v1/v2/v3 Junos XML management protocol sFlow v5 Zero-touch provisioning (ZTP) OpenStack Neutron Plug-in Puppet Chef Python |
| Operating temperature | 32° to 104° F (0° to 40° C) |
| Storage temperature | -40° to 158° F (-40° to 70° C) |
| Operating altitude | Up to 2,000 ft (610 m) |
| Relative humidity operating | 5% to 90% (noncondensing) |
| Relative humidity non-operating | 0% to 95% (noncondensing) |
| Accessories | |
| JPSU-650W-AC-AFI | AC 650W PSU, back-to-front airflow for QFX5100-48S, QFX5100-48T, QFX5100-24Q |
| QFX5100-FAN-AFI | Back-to-front Airflow Fan Module for QFX5100 |
| QFX5100-EM-BLNK | Blank module for QFX5100 |
| Advanced Feature Licenses | |
| QFX-JSL-EDGE-ADV1 | QFX3500, QFX3600, QFX5100-48T and QFX5100-48S Advanced Feature License for IS-IS, BGP, VxLAN and MPLS |
| Optics and Transceivers | |
| QFX-SFP-10GE-SR | SFP+ 10GBASE-SR 10 Gigabit Ethernet optics |
| QFX-SFP-10GE-USR | SFP+ 10 Gigabit Ethernet ultra short reach optics |
| QFX-SFP-10GE-LR | SFP+ 10GBASE-LR 10 Gigabit Ethernet optics |
| QFX-SFP-10GE-ER | SFP+ 10GBASE-ER 10 Gigabit Ethernet optics |
| EX-SFP-10GE-ZR | SFP+ 10GBASE-ZR 10 Gigabit Ethernet optics |
| QFX-SFP-DAC-1M | SFP+ direct attach copper cable, 1 m |
| QFX-SFP-DAC-3M | SFP+ direct attach copper cable, 3 m |
| QFX-SFP-DAC-5M | SFP+ direct attach copper cable, 5 m |
| QFX-SFP-DAC-1MA | Active SFP+ direct attach copper cable, 1 m |
| QFX-SFP-DAC-3MA | Active SFP+ direct attach copper cable, 3 m |
| QFX-SFP-DAC-5MA | Active SFP+ direct attach copper cable, 5 m |
| QFX-SFP-DAC-7MA | Active SFP+ direct attach copper cable, 7 m |
| QFX-SFP-DAC-10MA | Active SFP+ direct attach copper cable, 10 m |
| QFX-QSFP-DAC-1M | QSFP+ to QSFP+ Ethernet direct attach copper cable, 1 m passive |
| QFX-QSFP-DAC-3M | QSFP+ to QSFP+ Ethernet direct attach copper cable, 3 m passive |
| JNP-QSFP-DAC-5M | QSFP+ to QSFP+ Ethernet direct attach copper cable, 5 m passive |
| QFX-QSFP-DACBO-1M | QSFP+ to SFP+ 10 Gigabit Ethernet breakout copper cable, 1 m |
| QFX-QSFP-DACBO-3M | QSFP+ to SFP+ 10 Gigabit Ethernet breakout copper cable, 3 m |
| QFX-QSFP-40G-SR4 | QSFP+ 40GBASE-SR4 40 Gigabit optics |
| QFX-QSFP-40G-ESR4 | QSFP+ 40GBASE-ESR4 40 Gigabit optics |
