| Device Overview |
|---|
| Form Factor | 1 RU |
| Ports | 24 x 10/100/1000BASE-T RJ-45; 4 x 1GbE/10GbE SFP/SFP+ uplink/stacking ports (2 SFP + 2 SFP+ shared with last 4 RJ-45 ports? No, fixed uplinks) |
| Performance |
|---|
| Switching Capacity | 128 Gbps |
| Forwarding Rate | 95.2 Mpps (Layer 2/Layer 3 IPv4/ IPv6) |
| Latency | < 0.87 μsec (64-byte frames, all ports) |
| Packet Buffer | 3 MB shared across all ports |
| Jumbo Frames | 9216 bytes |
| MAC Addresses | 32,768 |
| VLAN IDs | 4,096 (Virtual Chassis: 1,024 per switch) |
| Layer 2 Features |
|---|
| 802.1D Bridging | Supported |
| 802.1p CoS | Supported |
| 802.1Q VLAN Tagging | Supported |
| MSTP/M-RSTP/VSTP | Supported |
| LACP | Supported (256 groups, 8 members per group) |
| Virtual Chassis | Up to 10 switches, 40 Gbps stacking (SFP+ ports) |
| Layer 3 Features (Base License) |
|---|
| IPv4 Unicast Routes | 12,000 (LPM entries) |
| IPv6 Unicast Routes | 6,000 (LPM entries) |
| ARP Entries | 2,000 IPv4; 1,500 IPv6 |
| Static Routes | Supported |
| RIP v1/v2 | Supported |
| High Availability & Security |
|---|
| Redundant Trunk Groups (RTG) | Supported |
| MACsec (802.1AE) | Supported on uplink ports (with Junos support) |
| Firewall Filters | 1,700 Layer 2 + Layer 3 IPv4; 1,000 IPv6 (ingress/egress) |
| ACL | Port, VLAN, IP, MAC-based |
| Physical Specifications |
|---|
| Dimensions (W x H x D) | 17.45 x 1.75 x 11.26 in (44.3 x 4.45 x 28.6 cm) |
| Weight | 8.8 lb (4.0 kg) |
| Rack Units | 1 RU |
| Airflow | Front-to-back |
| Power |
|---|
| Power Supply | Fixed internal AC (100-240 VAC, 50/60 Hz, IEC 60320 C14 connector) |
| Power Consumption (Typical) | 30 W (idle); 60 W (typical load) |
| Power Consumption (Max) | 85 W |
| BTU Rating (Max) | 290 BTU/hr |
| Environmental |
|---|
| 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 (3,000 m) |
| Relative Humidity (Operating) | 10% to 85% (noncondensing) |
| Acoustic Noise | 34.2 dBA @ 25° C |
| MTBF | 293,667 hours (~33.5 years) @ 25° C |
| Software Features |
|---|
| OS | Junos OS Evolved |
| Zero Touch Provisioning (ZTP) | Supported |
| EVPN-VXLAN | Supported (with Junos 21.2R1+ ) |
| sFlow | Supported |
| Standards Compliance |
|---|
| IEEE Standards | 802.1AB (LLDP), 802.1AG (CFM), 802.1AR, 802.1AS-2011, 802.1Audio, 802.1BR, 802.1D-2004, 802.1p, 802.1Q, 802.1Qbg, 802.1Qbh, 802.1s, 802.1w, 802.1X, 802.3ad, 802.3af/at Class 3 PoE, 802.3at, 802.3az, 802.3bt, 802.3 Clause 45 (EZ-MII), 802.3 Frame Format, 802.3ab (1GBASE-T), 802.3z (GBIC), 802.1ak (MRP) |
| RFC | RFC 4218 IPv6, RFC 2544, RFC 7348 (VXLAN) |
| Certifications |
|---|
| Safety | CAN/CSA-C22.2 No. 60950-1-07, UL 60950-1 (2nd Edition), IEC/EN 60950-1 (2nd Edition, Am 1 & 2) |
| EMC | Class A: FCC 47CFR Part 15, EN 55022/24 (CISPR 22/24), VCCI Class A, AS/NZS CISPR 22, EN 61000-3-2/3-3, ICES-003 Class A, KN 22/24, CNS 13438 Class A, EN 300 386 (telecom), CISPR 24 (EMC Class A) |
| Environmental | China RoHS, REACH, WEEE |
| NEBS | GR-63-CORE Issues 3 & 4, GR-1089-CORE Issues 5 & 6 (EX2300-DC only) |
| Transceiver Support |
|---|
| Supported Optics | 1G SFP (SR, LR, Copper); 10G SFP+ (SR, LR, DAC) - See Juniper Transceiver Compatibility Matrix |
| Multi-Rate Ports | Uplinks support 1G/10G auto-negotiation |
