| Physical Specifications |
| Dimensions (W x H x D) |
+ Width: 17.4 in (44.1 cm) for desktop installations 17.5 in (44.6 cm) with rack-mount brackets
+ Height: 1.75 in (4.45 cm) for 1U installations
+ Depth: 10 in (25.43 cm) |
| Weight |
8 lb (3.6 kg) |
| Environmental Ranges |
+ Operating temperature: 32° to 113° F (0° to 45° C)
+ Storage temperature: -40° to 158° F (-40° to 70° C)
+ Operating altitude: up to 10,000 ft (3,048 m)
+ Non-operating altitude: up to 16,000 ft (4,877 m)
+ Relative humidity operating: 10% to 85% (noncondensing)
+ Relative humidity non-operating: 0% to 95% (noncondensing) |
| Power Options |
76 W AC |
| Hardware Specifications |
| Switching Engine Model |
Store and forward |
| DRAM |
512 MB |
| Flash |
1 GB |
| CPU |
800 MHz ARM CPU |
| GbE port density per system |
52 (48 host ports+ four-port GbE uplinks) |
| Physical Layer |
+ Physical port redundancy: Redundant Trunk Group (RTG)
+ Time-domain reflectometry (TDR) for detecting cable breaks and shorts
+ Auto MDI/MDIX (medium-dependent interface/mediumdependent interface crossover) support
+ Port speed downshift/setting maximum advertised speed on 10/100/1000BASE-T ports
+ Digital optical monitoring for optical ports |
| Packet Switching Capacities |
104 Gbps |
| Layer 2 Throughput (Mpps) |
77.4 Mpps (wire speed) |
| Layer 2 Switching |
+ Maximum MAC addresses in hardware: 16,000
+ Jumbo frames: 9216 bytes
+ Number of VLANs: 1,024 (VLAN IDs: 4,096)
+ Port-based VLAN
+ MAC-based VLAN
+ Voice VLAN
+ Private VLAN (PVLAN)
+ IEEE 802.1ak: Multiple VLAN Registration Protocol (MVRP)
+ Multicast VLAN Registration (MVR)
+ Compatible with Per-VLAN Spanning Tree Plus (PVST+)
+ RVI (Routed VLAN Interface)
+ IEEE 802.1AB: Link Layer Discovery Protocol (LLDP)
+ LLDP-MED with VoIP integration
+ IEEE 802.1D: Spanning Tree Protocol
+ IEEE 802.1p: CoS prioritization
+ IEEE 802.1Q: VLAN tagging
+ IEEE 802.1Q-in-Q: VLAN Stacking
+ IEEE 802.1s: Multiple Spanning Tree Protocol (MSTP)
+ Number of MST instances supported: 64
+ IEEE 802.1w: Rapid Spanning Tree Protocol (RSTP)
+ IEEE 802.1X: Port Access Control
+ IEEE 802.3: 10BASE-T
+ IEEE 802.3u: 100BASE-T
+ IEEE 802.3ab: 1000BASE-T
+ IEEE 802.3z: 1000BASE-X
+ IEEE 802.3x: Pause Frames/Flow Control
+ IEEE 802.3ad: Link Aggregation Control Protocol (LACP)
+ IEEE 802.3ah: Ethernet in the First Mile
+ IEEE 802.1ag: Connectivity Fault Management (CFM)
+ G.8032 (Ethernet Ring Protection) |
| Layer 3 Features: IPv4 |
+ Maximum number of Address Resolution Protocol (ARP) entries: 2,000
+ Maximum number of IPv4 unicast routes in hardware: 6500
+ Routing protocols:
+ RIP v1/v2
+ OSPF v1/v2 (with 4 active interfaces)
+ Static routing
+ Bidirectional Forwarding Detection (BFD)
+ IP directed broadcast + VRF-Lite |
| Layer 3 Features: IPv6 Management Functionality |
+ Neighbor discovery, Syslog, Telnet, SSH, J-Web, SNMP, NTP, DNS
+ Static routing |
| Security |
+ MAC limiting
+ Allowed MAC addresses—configurable per port
+ Sticky MAC (persistent MAC address learning)
+ Dynamic ARP inspection (DAI)
+ Proxy ARP
+ Static ARP support
+ DHCP snooping
+ IP source guard
+ 802.1X port-based
+ 802.1X multiple supplicants
+ 802.1X with VLAN assignment
+ 802.1X with authentication bypass access (based on host MAC address)
+ 802.1X with VoIP VLAN support
+ 802.1X dynamic ACL based on RADIUS attributes
+ 802.1X Supported EAP types: Message Digest 5 (MD5), Transport Layer Security (TLS), Tunneled Transport Layer Security (TTLS), Protected Extensible Authentication Protocol (PEAP)
+ Captive Portal
+ Trusted Network Connect (TNC) certified
+ Static MAC authentication
+ MAC-RADIUS
+ Control plane DoS protection
+ Fallback Authentication |
| Access control lists (ACLs) (Junos OS firewall filters) |
+ Port-based ACL (PACL)—ingress
+ VLAN-based ACL (VACL)—ingress and egress
+ Router-based ACL (RACL)—ingress and egress
+ ACL entries (ACE) in hardware per system: 1,500
+ ACL counter for denied packets
+ ACL counter for permitted packets
+ Ability to add/remove/change ACL entries in middle of list (ACL editing)
+ L2-L4 ACL |
| High Availability |
+ External redundant power system (RPS) option
+ Link Aggregation
+ 802.3ad (LACP) support:
- Number of LAGs supported: 32
- Maximum number of ports per LAG: 8
+ LAG load sharing algorithm—Bridged Unicast Traffic:
- IP: S/D MAC, S/D IP
- TCP/UDP: S/D MAC, S/D IP, S/D Port
- Non-IP: S/D MAC
+ LAG sharing algorithm—Routed Unicast Traffic:
- IP: S/D IP
- TCP/UDP: S/D IP, S/D Port
+ LAG load sharing algorithm—Bridged Multicast Traffic:
- IP: S/D MAC, S/D IP
- TCP/UDP: S/D MAC, S/D IP, S/D Port
- Non-IP: S/D MAC
+ LAG sharing algorithm—Routed Multicast Traffic:
- IP: S/D IP
- TCP/UDP: S/D IP, S/D Port
+ Tagged ports support in LAG
+ Uplink Failure Detection (UFD) |
| Quality of Service (QoS) |
+ Layer 2 QoS
+ Layer 3 QoS
+ Ingress policing: 1 rate 2 color
+ Hardware queues per port: 8
+ Scheduling methods (egress): Strict Priority (SP), shaped deficit weighted round-robin (SDWRR)
+ 802.1p, DSCP /IP precedence trust and marking
+ L2-L4 classification criteria: Interface, MAC address, Ethertype, 802.1p, VLAN, IP address, DSCP/IP precedence, TCP/UDP port numbers
+ Congestion avoidance capabilities: Tail drop |
| Multicast |
+ IGMP snooping entries: 1,000
+ IGMP: v1, v2, v3
+ IGMP snooping
+ PIM-SM, PIM-SSM, PIM-DM |
| Safety Certifications |
+ UL-UL60950-1 (Second Edition)
+ C-UL to CAN/CSA 22.2 No.60950-1 (Second Edition)
+ TUV/GS to EN 60950-1 (Second Edition)
+ CB-IEC60950-1 (Second Edition with all country deviations)
+ EN 60825-1 (Second Edition) |
| Electromagnetic Compatibility Certifications |
+ FCC 47CFR Part 15 Class A
+ EN 55022 Class A
+ ICES-003 Class A
+ VCCI Class A
+ AS/NZS CISPR 22 Class A
+ CISPR 22 Class A
+ EN 55024
+ EN 300386
+ CE |
| NEBS |
+ GR-63-Core: NEBS, Physical Protection
+ GR-1089-Core: EMC and Electrical Safety for Network Telecommunications Equipment
+ All models except EX2200-24P-4G, EX2200-48P-4G and EX2200-24T-4G-DC |
| Acoustic Noise in DBA |
33.5 |
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