Thông số kỹ thuật Switch Juniper EX4650-48Y-AFI

Hardware Specifications
CPU	2.3 GHz quad-core Intel CPU
Memory	16 GB
Storage	64 GB SSD storage
Switching Capacity	2 Tbps/1.49 Bpps
Weight	23.7 lb (10.75 kg)
Dimensions (HxWxD)	• 1.72 x 17.36 x 20.48 in (4.37 x 44.09 x 52.02 cm) • Switching mode: Cut-through and store-and-forward • Back-to-front (airflow in) for cold aisle deployment • Management and console port connections
Power Consumption	• Max load 450 W; typical load 260 W; idle load 160 W
Interface Options	• 1GbE SFP: 48 (24 copper 1GbE) • 10GbE SFP+: 48/80 (with breakout cable) • 25GbE SFP28: 48/80 (with breakout cable) • 40GbE QSFP+: 8 • 100GbE QSFP28: 8 • 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 25GbE interface or as a 100 Gbps port • 1 USB 2.0 port • 1 RS-232 console port • 2 management ports: 2 x RJ-45 ports • Supported transceiver and direct attach cable (DAC) • SFP 1GbE optical and copper module • SFP+ 10GbE optical modules • SFP+ DAC cables: 1/3 m twinax copper and 1/3/5/7 m active twinax copper • SFP28 DAC cables: 1 m twinax copper • SFP28 optics: SR, LR • QSFP+ DAC cables: 1/3 m twinax copper • QSFP+ optics: SR4, LX4, ESR4, ER4, LR4 • QSFP+ to SFP+ 10GbE direct attach breakout copper (1/3 m twinax copper cable) • QSFP28 to SFP28 25GbE direct attach breakout copper (1 m twinax copper cable) • QSFP28 optics: SR4, ER4, PSM4, CWDM4, LR4
Rack Installation Kit	• Versatile four-post mounting options for 19-in server rack or datacom rack
Airflow	• Redundant (N+1) and hot-pluggable fan modules for back to front airflow • Redundant variable-speed fans to reduce power draw
Power Supply and Fan Modules	• Dual redundant (1+1) and hot-pluggable 650 W AC power supplies • 110-240 V single phase AC power • Redundant (4+1) and hot-pluggable fan modules for back to front airflow
Performance Scale (Unidimensional)	• Layer 2 – MAC addresses per system: 288,000 – VLAN IDs: 4093 – Number of link aggregation groups (LAGs): 80 – Number of ports per LAG: 64 – Multiple Spanning Tree Protocol (MSTP) instances: 64 – VLAN Spanning Tree Protocol (VSTP) instances: 509 – Jumbo frame: 9216 bytes • Firewall filters – Ingress filters: 1500 – Egress filters: 512 • Layer 3 – IPv4 unicast prefixes: 360,000 – IPv4 unicast routes: 208,000 – IPv4 multicast routes: 104,000 – ECMP paths: 64 – IPv6 unicast prefixes: 170,000 – Ipv6 unicast routes: 104,000 – IPv6 multicast routes: 52,000 – ARP entries: 64,000 • 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 • 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	• Multichassis link aggregation (MC-LAG) • EVPN Multihoming (ESI-LAG) • 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 – L2 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, and v3 (L2 only) • IGMP Filter • PIM-SM, PIM-SSM, PIM-DM • 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 • Sticky MAC address • DHCP snooping
Quality of Service (QoS)	• L2 and L3 QoS: Classification, rewrite, queuing • Rate limiting: – Ingress policing: Single-rate two-color policer, two-rate three-color policer – Egress policing: Policer, policer mark down action – Egress shaping: Per queue on each port • 10 hardware queues per port (8 unicast and 2 multicast) • Strict-priority queuing (PQ), shaped-deficit weighted round-robin (SDWRR), weighted random early detection (WRED), weighted tail drop • 802.1p remarking • L2 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 • Data Center Bridging Capability Exchange (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
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 • 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 (JTI)
Traffic Mirroring	• Port-based • LAG port • VLAN-based • Filter-based • Mirror to local • Mirror to remote destinations (L2 over VLAN)
Safety and Compliance
Safety Certifications	• CAN/CSA-C22.2 No. 60950-1 Information Technology Equipment – Safety • UL 60950-1 (2nd Edition) Information Technology Equipment – Safety • EN 60950-1: 2006/A2:2013 Information Technology Equipment – Safety • IEC 60950-1: 2005/A2:2013 Information Technology Equipment – Safety (All country deviations): CB Scheme • EN 60825-1 Safety of Laser Products – Part 1: Equipment classification and requirements
EMC	• EN 300 386 V1.6.1 (2012-09) Electromagnetic compatibility and Radio spectrum Matters (ERM) Telecommunication network equipment • EN 300 386 V2.1.1 (2016-07) Telecommunication network equipment; EMC requirements; Harmonized Standard covering the essential requirements of the Directive 2014/30/EU • EN 55032:2012 (CISPR 32:2012) Electromagnetic compatibility of multimedia equipment—Emission requirements • EN 55024:2010 (CISPR 24:2010) Information technology equipment—Immunity characteristics—Limits and methods of measurement • IEC/EN 61000 Immunity Test • AS/NZS CISPR 32:2015 Australia/New Zealand Radiated and Conducted Emissions • FCC 47 CFR Part 15 USA Radiated and Conducted Emissions • ICES-003 Canada Radiated and Conducted Emissions • VCCI-CISPR 32:2016 Japanese Radiated and Conducted Emissions • BSMI CNS 13438 Taiwan Radiated and Conducted Emissions (at 10 Meters) • KN32/KN35 Korea Radiated Emission and Immunity Characteristics (at 10 Meters) • KN61000 Korea Immunity Test • TEC/SD/DD/EMC-221/05/OCT-16 India EMC standard
Telco	• Common Language Equipment Identifier (CLEI) code
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 6000 ft (1829 m) • Relative humidity operating: 5% to 90% (noncondensing) • Relative humidity nonoperating: 0% to 95% (noncondensing)