| Physical Specifications |
| Dimensions (W x H x D) |
10.6 x 1.75 x 9.0 in (26.9 x 4.4 x 22.8 cm) |
| Weight |
4.6 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 |
30 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 |
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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