| Physical Specifications |
| Dimensions (W x H x D) |
10.6 x 1.75 x 9.4 in (26.9 x 4.4 x 23.8 cm) |
| Weight |
6.4 lb |
| Environmental Ranges |
• Operating temperature: 32° to 104° F (0° to 40° C)1
• Storage temperature: -40° to 158° F (-40° to 70° C)
• Operating altitude: up to 5,000 ft (1,524 m)2
• 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 |
180 W AC |
| Total PoE Power Budget |
100 W |
| Hardware Specifications |
| Switching Engine Model |
Store and forward |
| DRAM |
512 MB |
| Flash |
1 GB |
| CPU |
800 MHz ARM CPU |
| GbE port density per system |
14 (12 access ports + 2 uplink ports) |
| Physical Layer |
• Physical port redundancy: Redundant Trunk Group (RTG)
• Time-domain reflectometry (TDR) for detecting cable breaks and shorts
• Auto medium-dependent interface/medium-dependent interface crossover (MDI/MDIX) support
• Port speed downshift/setting maximum advertised speed on 10/100/1000BASE-T ports
• Digital optical monitoring for optical ports |
| Packet Switching Capacities |
28 Gbps |
| Layer 2 Throughput (Mpps) |
21 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 802.3af: PoE
• IEEE 802.3at: PoE+
• 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: 6,500
• Routing protocols:
• RIP v1/v2
• OSPF v1/v2 (with 4 active interfaces)
• Static routing
• Routing policy
• Bidirectional Forwarding Detection (BFD)
• IP directed broadcast
• VRF-Lite |
| Layer 3 Features: IPv6 Management Functionality |
• Neighbor discovery, system logging, telnet, SSH, SNMP, Network Time Protocol (NTP), Domain Name System (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 access control list (ACL) based on RADIUS attributes
• 802.1X Supported EAP types: Message Digest 5 (MD5), Transport Layer Security (TLS), Tunneled Transport LayerSecurity (TTLS), Protected Extensible Authentication Protocol (PEAP)
• Captive Portal
• Static MAC authentication
• MAC-RADIUS
• Fallback Authentication
• Trusted Network Connect (TNC) certified
• Control plane DoS protection |
| 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 |
• 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 |
• 0 db (fanless)
• Noise measurements based on operational tests taken from bystander position (front) and performed at 25° C in compliance with ISO 7779 |
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