| Hardware |
| CPU |
1.8 GHz quad-core Intel CPU |
| RAM |
16 GB |
| Storage |
64 GB SSD storage |
| Switching Capacity |
2.56 Tbps/1.44 Bpps |
| Weight |
24.6 lb (11.16 kg) |
| Dimensions (HxWxD) |
1.72 x17.36 x 20.48 in (4.37 x 44.09 x 52.02 cm) |
| Switching mode |
Cut-through and store-and-forward |
| Airflow |
back-to-front |
| Power Consumption |
Max load: 340 W,
Typical load: 290 W,
Idle load: 250 W |
| Interface Options |
- 1GbE SFP: N/A
- 10GbE QSFP+: 96 (with breakout cable)
- 40GbE QSFP+: 32
- 100GbE QSFP28: 4
• Each QSFP+ port can be configured as a 4 x 10GbE interface or as a 40 Gbps port
• Each QSFP28 port can be configured as a 4 x 10GbE interface a 40 Gbps port or as a 100 Gbps port
• 1 USB 2.0 port
• 1 RS-232 console port
• 2 management ports: 2x SFP fiber ports or 1x RJ-45 and 1x copper SFP ports |
| Rack Installation Kit |
Versatile four post mounting options for 19-in server rack or datacom rack |
| Power Supply and Fan Modules |
• Dual redundant (1+1) and hot-pluggable power supplies
• -36 to -72 V DC power
• Redundant (N+1) and hot-pluggable fan modules for frontto-back and back-to-front airflow |
| Performance Scale (Unidimensional) |
• MAC addresses per system: 288,000
• VLAN IDs: 4,093
• Number of link aggregation groups (LAGs): 104
• Number of ports per LAG: 32
• Firewall filters
- Ingress filters: 6,142
- Egress filters: 1,022
• IPv4 unicast routes: 128,000 prefixes; 208,000 host routes; 64 ECMP paths
• IPv4 multicast routes: 104,000
• IPv6 multicast routes: 52,000
• IPv6 unicast routes: 84,000 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 Features Supported |
| 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
• The 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) |
| Link Aggregation |
• Multi-chassis link aggregation (MC-LAG)
• Redundant Trunk Group (RTG)
• LAG load sharing algorithm—bridged or routed (unicast or multicast) traffic:
- IP: SIP, Dynamic Internet Protocol (DIP), TCP/UDP source port, TCP/UDP destination port
- Layer 2 and non-IP: MAC SA, MAC DA, Ethertype, VLAN ID, source port |
| Layer 3 Features (IPv4) |
• Static routing
• Routing protocols (RIP, OSPF, IS-IS, BGP)
• Virtual Router Redundancy Protocol (VRRP)
• Bidirectional Forwarding Detection (BFD) protocol
• 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) |
| Security and Filters |
• Secure interface login and password
• RADIUS
• TACACS+
• Ingress and egress filters: Allow and deny, port filters, VLAN filters, and routed filters, including management port filters
• Filter actions: Logging, system logging, reject, mirror to an interface, counters, assign forwarding class, permit, drop, police, mark
• SSH v1, v2
• Static ARP support
• Storm control, port error disable, and autorecovery
• IP source guard
• Dynamic ARP Inspection (DAI)
• Sticky MAC address
• DHCP snooping |
| Quality of Service (QoS) |
• L2 and L3 QoS: Classification, rewrite, queuing
• Rate limiting:
- Ingress policing: 1 rate 2 color, 2 rate 3 color
- Egress policing: Policer, policer mark down action
- Egress shaping: Per queue on each port
• 12 hardware queues per port (8 unicast and 4 multicast)
• Strict priority queuing (LLQ), smoothed deficit weighted round-robin (SDWRR), weighted random early detection (WRED), weighted tail drop
• 802.1p remarking
• Layer 2 classification criteria: Interface, MAC address, Ethertype, 802.1p, VLAN
• Congestion avoidance capabilities: WRED
• Trust IEEE 802.1p (ingress)
• Remarking of bridged packets |
| 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), DCBx FCoE, and iSCSI type, length, and value (TLVs) |
| High Availability |
• Bidirectional Forwarding Detection (BFD)
• Uplink failure detection |
| MPLS |
• Static label-switched paths (LSPs)
• RSVP-based signaling of LSPs
• LDP-based signaling of LSPs
• LDP tunneling (LDP over RSVP)
• MPLS class of service (CoS)
• MPLS LSR support
• IPv6 tunneling (6PE) (via IPv4 MPLS backbone)
• IPv4 L3 VPN (RFC 2547, RFC 4364) |
| Server Virtualization Management and SDN-Related Protocols |
• VXLAN OVSDB
• EVPN VXLAN
• OpenFlow 1.3 client |
| Management and Operations |
• Contrail Networking
• 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
• Beacon LED for port and system
• Zero touch provisioning (ZTP)
• OpenStack Neutron Plug-in
• Python
• Junos OS event, commit, and OP scripts
• Junos Telemetry Interface |
| Traffic Mirroring |
• Port-based
• LAG port
• VLAN-based
• Filter-based
• Mirror to local
• Mirror to remote destinations (L2 over VLAN) |
| Standards Compliance |
| IEEE Standard |
IEEE standard, IEEE 802.1D, IEEE 802.1w, IEEE 802.1, IEEE 802.1Q, IEEE 802.1p, IEEE 802.1ad, IEEE 802.3ad, IEEE 802.1AB, IEEE 802.3x, IEEE 802.1Qbb, IEEE 802.1Qaz |
| T11 Standards |
INCITS T11 FC-BB-5 |
| Safety |
• CAN/CSA-C22.2 No. 60950-1 Information Technology Equipment—Safety
• UL 60950-1 (Second Edition) Information Technology Equipment—Safety
• IEC 60950-1 Information Technology Equipment—Safety (All country deviations): CB Scheme report
• EN 60825-1 Safety of Laser Products—Part 1: Equipment Classification |
| NEBS |
• GR-63-Core Network Equipment, Building Systems (NEBS) Physical Protection
• GR-1089-Core EMC and Electrical Safety for Network Telecommunications Equipment |
| EMC |
• FCC 47CFR, Part 15 Class A USA Radiated Emissions
• ICES-003 Class A
• EN 55022 Class A European Radiated Emissions
• CISPR 22 Class A
• EN 55032 Class A
• CISPR 32 Class A
• EN 55024
• CISPR 24
• EN 300 386
• VCCI Class A Japanese Radiated Emissions
• BSMI CNS 13438 Taiwan Radiated Emissions
• AS/NZS CISPR22 • AS/NZS CISPR32 |
| Environmental Ranges |
• 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 (610 m)
• Relative humidity operating: 5% to 90% (noncondensing)
• Relative humidity non-operating: 0% to 95% (noncondensing) |
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