| Hardware Specifications |
| Interface Options |
• 32 GbE/10GbE (MACsec 802.1AE capable) SFP/SFP+ fiber connectors
• 16 10GbE SFP/SFP+ (MACsec 802.1AE capable) ports (via two optional 8-port expansion modules)
• 4 40GbE QSFP+ ports (via two optional 2-port expansion modules)
• 128 Gbps Virtual Chassis module with 2 x 64 Gbps ports
• 1 x 10/100/1000 Ethernet RJ-45 ports for management
• Console port for management |
| Dimensions |
• Height: 1.72 in (4.37 cm); 1 U
• Width:
- 17.35 in (44.07 cm) without front-mounting brackets
- 19 in (48.3 cm) with front-mounting brackets
• Depth: 18.5 in (46.99 cm)
• Weight:
- EX4550 switch with 1 AC or DC power supply: 19.4 lb (8.8 kg)
- AC power supply: 2.4 lb (1.1 kg)
- DC power supply: 2.4 lb (1.1 kg) |
| Rack Installation Kit |
Versatile two- and four-post mounting options for 19-in server rack or datacom rack |
| LEDs |
System LEDs that indicate status
|
| CPU |
1.2 GHz |
| Memory |
2 GB DRAM, 2 GB flash |
| Switching Engine Model |
Store and forward |
| Power |
Dual hot-swappable load sharing AC and DC power supplies |
| Software Specifications |
| Security |
• RADIUS
• TACACS+
• Access control lists (ACLs): Allow and deny
• SSH v1, v2
• Secure interface login and password
• Local proxy Address Resolution Protocol (ARP)
• Static ARP support |
| Layer 2 Features |
• Maximum number of media access control (MAC) addresses in hardware: 32,000*
• Jumbo frames: 9,216 bytes
• Number of VLANs: 4,096
• Port-based VLAN
• 4,096 VLAN IDs supported
• Routed VLAN interface (RVI) |
| Spanning Tree |
• Rapid Spanning Tree Protocol (RSTP) and VLAN Spanning Tree Protocol (VSTP) running concurrently
• Spanning Tree Protocol (802.1D)
• Multiple Spanning Tree Protocol (MSTP) (802.1s)
• RSTP (802.1w)
• VSTP - VLAN Spanning Tree
• BPDU protect
• Loop protect
• Root protect |
| Link Aggregation |
• 802.3ad support
- Number of LAGs supported: 64
- Maximum number of ports per LAG: 8
• LAG load-sharing algorithm—bridged or routed (unicast or multicast) traffic:
- IP: S/D IP
- TCP/UDP: S/D IP, S/D Port
- Non-IP: S/D MAC
- Tagged ports support in LAG |
| Quality of Service |
• EZQoS
• Class of service (CoS) on L3 VLAN
• Per interface rewrite
• Per interface classification
• Policer mark down action
• Remarking of bridged packets
• Layer 2 QoS
• Layer 3 QoS
• Rate Limiting:
- Ingress policing: 1 rate 2 color
- Egress shaping: Per queue, per port
- 8 hardware queues per port
- Scheduling methods (egress): Strict priority (SP), shaped-deficit weighted round-robin (SDWRR)
- 802.1p remarking
- L2-L4 classification criteria: Interface, MAC address, Ethertype, 802.1p, VLAN, IP address, DiffServ code point (DSCP)/IP precedence, TCP/UDP port numbers, etc.
- Congestion avoidance capabilities: Weighted tail drop eight queues |
| Layer 3 Features: IPv4 |
• VRF-lite (IS-IS, RIP, OSPF, BGP)
• IP directed broadcast traffic forwarding
• Routing protocols: RIPv1/v2, OSPF, BGP, IS-IS
• Maximum number of IPv4 unicast routes in hardware: 14,000*
• Maximum number of IPv4 multicast routes in hardware: 4,000
• Static routing
• Routing policy
• Virtual Router Redundancy Protocol (VRRP)
• Bidirectional Forwarding Detection (BFD) protocol |
| Layer 3 Features: IPv6 |
• Maximum number of Neighbor Discovery Protocol (NDP) entries: 1,000
• Maximum number of IPv6 unicast routes in hardware: 3,400*
• Maximum number of IPv6 multicast routes in hardware: 1,000
• Routing protocols: RIPng, OSPFv3, IPv6, BGP, MLDv2
• Static routing |
| Multicast |
• VRF-lite (PIM, IGMP)
• IGMP static
• IGMP v1, v2, v3
• IGMP snooping
• Protocol Independent Multicast–Sparse Mode (PIM-SM), and PIM source-specific multicast (PIM-SSM)
• Multicast Source Discovery Protocol (MSDP) |
| Access control lists (ACLs) (Junos OS firewall filters) |
• Port-based ACL (PACL): Ingress and egress
• 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
• Trusted Network Connect (TNC) certified
• MAC authentication (RADIUS)
• Control plane denial-of-service (DoS) protection
|
| Virtual Chassis Capabilities |
• Maximum number of members: 10
• Virtual Chassis ports (VCPs):
- Two dedicated 64 Gbps ports with 128 Gbps Virtual Chassis module
- Any base or expansion port can act as a VCP
• Maximum Virtual Chassis interconnect capacity:
- 128 Gbps with Virtual Chassis module
- 256 Gbps with two Virtual Chassis modules
- 320 Gbps with two 40GbE expansion modules
- Up to 48 x 10 Gbps using base or expansion ports (subject to a maximum of 8 members per LAG group per destination, 64 LAG groups per system or 110 LAG groups per Virtual Chassis configuration)
• Maximum Virtual Chassis distance:
- Virtual Chassis module ports: Up to 5 m with VCP cable
- Base or expansion po |
| Data Center Bridging (DCB) |
• Priority-based flow control (PFC): IEEE 802.1Qbb
• Data Center Bridging Capability Exchange protocol (DCBX) |
| Fibre Channel over Ethernet (FCoE) |
• FCoE transit switch (FIP snooping)
• iSCI SAN
• iSCI TLV support |
| High Availability |
• Nonstop active routing (NSR): OSPF v2, RIP v1/v2, BGP, IS-IS, IGMP v1, v2, v3
• Redundant, hot-swappable power supplies
• Redundant, field-replaceable, hot-swappable fans
• GRES for Layer 2 hitless forwarding and Layer 3 protocols on Routing Engine failover
• Graceful restart: OSPF, BGP, IGMP v1/v2/v3 snooping
• Nonstop bridging for xSTP, Link Aggregation Control Protocol (LACP), Link Layer Discovery Protocol–Media Endpoint Discovery (LLDP/LLDP-MED)
• Nonstop software upgrade (NSSU) for EX4550 with Virtual Chassis or EX4200/EX4550/EX4500 with Virtual Chassis
• Virtual Chassis fast convergence (as low as sub-50 ms) |
| Traffic Mirroring |
• Static LSPs
• Port-based
• VLAN-based
• ACL-based mirroring
• Mirroring destination ports per system: 1
• LAG port monitoring
• Multiple destination ports monitored to 1 mirror (N:1)
• Maximum number of mirroring sessions: 1
• Mirroring to remote destination (over L2): 1 destination VLAN |
|
Safety and Compliance
|
| Safety Certifications |
• UL-UL60950-1 (First Edition)
• C-UL to CAN/CSA 22.2 No.60950-1 (First Edition)
• TUV/GS to EN 60950-1, Amendment A1-A4, A11
• CB-IEC60950-1, all country deviations |
| 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 |
| Environmental |
• Reduction of Hazardous Substances (ROHS) 5
• 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 10,000 ft (3,048 m)
• Nonoperating altitude: Up to 16,000 ft (4,877 m)
• Relative humidity operating: 10% to 85% (noncondensing)
• Relative humidity nonoperating: 0% to 95% (noncondensing) |
| Telco |
TL9000 |
| Mean Time Between Failures (MTBF) |
166 khrs |
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