Details:
Description
Physical Specifications
  • Backplane: 400 Gbps Virtual Chassis interconnect to combine up to 10 units as a single logical device
Extension Module Options
  • EX4400-EM-4S: 4 port SFP+
  • EX4400-EM-4Y: 4 port SFP28
  • EX4400-EM-1C: 1 port QSFP28
Power Options
  • Power supplies: Autosensing; 100-120 V/200-240 V; 550 W, 1050 W, 1600 W AC AFO and 550 W AC AFI dual load sharing hot-swappable internal redundant power supplies
  • Maximum current inrush: 30 amps
  • DC power supply: 550 W DC AFO and 550 W DC AFI; input voltage range 48-60 V max; dual load-sharing hot-swappable internal redundant power supplies
  • Minimum number of PSUs required for fully loaded chassis: 1 per switch
Dimensions (W x H x D)
  • With power supply and fans installed: 17.39 x 1.72 x 16.93 in. (44.17 x 4.37 x 43 cm)
  • Height: 1 U
System Weight
  • EX4400 switch and EX4400 Multigigabit switch (with no power supply or fan module): 13.01 lb (5.9 kg)
  • 550 W AC power supply: 1.76 lb (0.8 kg)
  • 550 W DC power supply: 1.65 lb (0.75 kg)
  • 1050 W AC power supply: 1.98 lb (0.9 kg)
  • 1600 W AC power supply: 2.0 lb (0.91 kg)
  • EX4400-EM-4S: 0.2 lb (0.09 kg)
  • EX4400-EM-4Y: 0.29 lb (0.13kg)
  • EX4400-EM-1C: 0.26 lb (0.11kg)
  • Fan module: 0.26 lb (0.12 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 6000 ft at 40° C (1828.8m)
  • Nonoperating altitude: up to 16,000 ft (4,877 m)
  • Relative humidity operating: 5% to 90% (noncondensing)
  • Relative humidity non-operating: 0% to 90% (noncondensing)
Cooling
  • Field-replaceable fans: 2
  • Total maximum airflow throughput with two power supplies: 61 CFM
Hardware Specifications
  • Switching Engine Mode: Store and forward
  • Memory:
    • DRAM: 4 GB with Error Correcting Code (ECC) on all models
    • Storage: 20 GB on all models
  • CPU: All models: 2.2 GHz Quad-Core Intel x86 CPU
Physical Layer
  • Time domain reflectometry (TDR) for detecting cable breaks and shorts: EX4400-24P/T/MP and EX4400-48P/T/MP
  • Auto medium-dependent interface/medium-dependent interface crossover (MDI/MDIX) support: EX4400-24P/T/MP and EX4400-48P/T/MP
  • Port speed downshift/setting maximum advertised speed on 10/100/1000BASE-T ports: EX4400-24P/T and EX4400-48P/T only
  • Digital optical monitoring for optical ports
Packet Switching Capacities (Maximum with 64 Byte Packets)
  • EX4400-24P/24T: 324 Gbps (unidirectional)/648 Gbps (bidirectional)
  • EX4400-48P/48T: 348 Gbps (unidirectional)/696 Gbps (bidirectional)
  • EX4400-24X: 540 Gbps (unidirectional)/ 1080 Gbps (bidirectional)
  • EX4400-48F: 456 Gbps (unidirectional)/912 Gbps (bidirectional)
  • EX4400-24MP: 540 Gbps (unidirectional)/1080 Gbps (bidirectional)
  • EX4400-48MP: 510 Gbps (unidirectional)/1020 Gbps (bidirectional)
Software Specifications
  • Layer 2/Layer 3 Throughput (Mpps) (Maximum with 64 Byte Packets):
    • EX4400-48P/T 517Mpps
    • EX4400-24P/T 482Mpps
    • EX4400-24X 803 Mpps
    • EX4400-48F 678 Mpps
    • EX4400-48MP 758 Mpps
    • EX4400-24MP 803 Mpps
Security
  • MAC limiting (per port and per VLAN)
  • Allowed MAC addresses: 112,000
  • Dynamic Address Resolution Protocol (ARP) inspection (DAI)
  • IP source guard
  • Local proxy ARP
  • Static ARP support
  • Dynamic Host Configuration Protocol (DHCP) snooping
  • Captive portal
  • Persistent MAC address configurations
  • Distributed denial of service (DDoS) protection (CPU control path flooding protection)
  • Simple Certificate Enrollment Protocol (SCEP)
Layer 2 Switching
  • Maximum MAC addresses per system: 112,000
  • Jumbo frames: 9216 Bytes
  • Number of VLANs supported: 4093
  • Range of possible VLAN IDs: 1 to 4094
  • Virtual Spanning Tree (VST) instances: 510
  • Port-based VLAN
  • Voice VLAN
  • Physical port redundancy: Redundant trunk group (RTG)
  • Compatible with Per-VLAN Spanning Tree Plus (PVST+)
  • Routed VLAN interface (RVI)
  • Uplink failure detection (UFD)
  • ITU-T G.8032: Ethernet Ring Protection Switching
  • IEEE 802.1AB: Link Layer Discovery Protocol (LLDP)
  • LLDP-MED with VoIP integration
  • Default VLAN and multiple VLAN range support
  • MAC learning deactivate
  • Persistent MAC learning (sticky MAC)
  • MAC notification
  • Private VLANs (PVLANs)
  • Explicit congestion notification (ECN)
  • Layer 2 protocol tunneling (L2PT)
  • IEEE 802.1ak: Multiple VLAN Registration Protocol (MVRP)
  • IEEE 802.1p: CoS prioritization
  • IEEE 802.1Q: VLAN tagging
  • IEEE 802.1X: Port Access Control
  • IEEE 802.1ak: Multiple Registration Protocol
  • IEEE 802.3: 10BASE-T
  • IEEE 802.3u: 100BASE-T
  • IEEE 802.3ab: 1000BASE-T
  • IEEE 802.3z: 1000BASE-X
  • IEEE 802.3bz: 2.5GBASE-T and 5GBASE-T
  • IEEE 802.3ae: 10-Gigabit Ethernet
  • IEEE 802.3by: 25-Gigabit Ethernet
  • IEEE 802.3af: Power over Ethernet
  • IEEE 802.3at: Power over Ethernet Plus
  • IEEE 802.3bt: 90 W Power over Ethernet
  • IEEE 802.3x: Pause Frames/Flow Control
  • IEEE 802.3ah: Ethernet in the First Mile
Spanning Tree
  • IEEE 802.1D: Spanning Tree Protocol
  • IEEE 802.1s: Multiple instances of Spanning Tree Protocol (MSTP)
  • Number of MST instances supported: 64
  • Number of VLAN Spanning Tree Protocol (VSTP) instances supported: 510
  • IEEE 802.1w: Rapid reconfiguration of Spanning Tree Protocol
Link Aggregation
  • IEEE 802.3ad: Link Aggregation Control Protocol
  • 802.3ad (LACP) support:
    • Number of LAGs supported: 128
    • Maximum number of ports per LAG: 16
    • 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
Layer 3 Features: IPv4
  • Maximum number of ARP entries: 24,000
  • Maximum number of IPv4 unicast routes in hardware: 130,048 prefixes; 81,000 host routes
  • Maximum number of IPv4 multicast routes in hardware: 40,000 multicast routes
  • Routing protocols: RIPv1/v2, OSPF, BGP, IS-IS
  • Static routing
  • Routing policy
  • Bidirectional Forwarding Detection (BFD)
  • L3 redundancy: Virtual Router Redundancy Protocol (VRRP)
  • VRF-Lite: 1000
Layer 3 Features: IPv6
  • Maximum number of Neighbor Discovery (ND) entries: 12,000
  • Maximum number of IPv6 unicast routes in hardware: 87,000 prefixes; 40,000 host routes
  • Maximum number of IPv6 multicast routes in hardware: 20,000 multicast routes
  • Routing protocols: RIPng, OSPFv3, IPv6, ISIS
  • Static routing
Access Control Lists (ACLs) (Junos OS Firewall Filters)
  • ACL entries (ACE) in hardware per system:
    • Port-based ACL (PACL) ingress: 2048
    • VLAN-based ACL (VACL) ingress: 2048
    • Router-based ACL (RACL) ingress: 2048
    • Egress shared across PACL and VACL: Port-based ACL (PACL) egress: 1024
    • Vlan based ACL (VACL) egress: 512
    • Egress shared across PACL and VACL: 512
    • Egress across RACL: 1024
  • 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
Access Security
  • 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 Extensible Authentication Protocol (EAP) types: Message Digest 5 (MD5), Transport Layer Security (TLS), Tunneled TLS (TTLS), Protected Extensible Authenticated Protocol (PEAP)
  • MAC authentication (RADIUS)
  • Control plane DoS protection
  • Radius functionality over IPv6 for authentication, authorization, and accounting (AAA)
  • DHCPv6 snooping
  • IPv6 neighbor discovery
  • IPv6 source guard
  • IPv6 RA guard
  • IPv6 Neighbor Discovery Inspection
  • MACsec
High Availability
  • Redundant, hot-swappable power supplies
  • Redundant, field-replaceable, hot-swappable fans
  • GRES for Layer 2 hitless forwarding and Layer 3 protocols on RE failover
  • Graceful protocol restart (OSPF, BGP)
  • Layer 2 hitless forwarding on RE failover
  • Nonstop bridging: LACP, xSTP
  • Nonstop routing: PIM, OSPF v2 and v3, RIP v2, RIPng, BGP, BGPv6, ISIS, IGMP v1, v2, v3
  • Online insertion and removal (OIR) uplink module
Quality of Service
  • L2 QoS
  • L3 QoS
  • Ingress policing: 1 rate 2 color
  • Hardware queues per port: 12 (8 unicast + 4 multicast)
  • Scheduling methods (egress): Strict priority (SP), weighted deficit round-robin (WDRR)
  • 802.1p, DiffServ code point (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, and more
  • Congestion avoidance capabilities: Tail drop, weighted random early detection (WRED)
Multicast
  • IGMP: v1, v2, v3
  • IGMP snooping
  • Multicast Listener Discovery (MLD) snooping
  • Protocol Independent Multicast-Sparse Mode (PIM-SM), PIM Source-Specific Mode (PIM-SSM), PIM Dense Mode (PIM-DM)
Management and Analytics Platforms
  • Juniper Mist Wired Assurance for Campus
  • Junos Space Network Director for Campus
  • Junos Space® Management
Device Management and Operations
  • Junos OS CLI
  • Out-of-band management: Serial; 10/100/1000BASE-T Ethernet
  • Rescue configuration
  • Configuration rollback
  • Image rollback
  • RMON (RFC2819) groups 1, 2, 3, 9
  • Remote performance monitoring
  • SNMP: v1, v2c, v3
  • Network Time Protocol (NTP)
  • DHCP server
  • DHCP client and DHCP proxy
  • DHCP relay and helper
  • DHCP local server support
  • RADIUS
  • TACACS+
  • SSHv2
  • Secure copy
  • HTTP/HTTPs
  • Domain Name System (DNS) resolver
  • System logging
  • Temperature sensor
  • Configuration backup via FTP/secure copy
Supported RFCs
  • RFC 768 UDP
  • RFC 783 TFTP
  • RFC 791 IP
  • RFC 792 ICMP
  • RFC 793 TCP
  • RFC 826 ARP
  • RFC 854 Telnet client and server
  • RFC 894 IP over Ethernet
  • RFC 903 RARP
  • RFC 906 TFTP Bootstrap
  • RFC 951, 1542 BootP
  • RFC 1027 Proxy ARP
  • RFC 1058 RIP v1
  • RFC 1112 IGMP v1
  • RFC 1122 Host Requirements
  • RFC 1195 Use of OSI IS-IS for Routing in TCP/IP and Dual Environments (TCP/IP transport only)
  • RFC 1256 IPv4 ICMP Router Discovery (IRDP)
  • RFC 1492 TACACS+RFC 1519 CIDR
  • RFC 1587 OSPF NSSA Option
  • RFC 1591 DNS
  • RFC 1812 Requirements for IP Version 4 Routers
  • RFC 1981 Path MTU Discovery for IPv6
  • RFC 2030 SNTP, Simple Network Time Protocol
  • RFC 2068 HTTP server
  • RFC 2080 RIPng for IPv6
  • RFC 2131 BOOTP/DHCP relay agent and DHCP server
  • RFC 2138 RADIUS Authentication
  • RFC 2139 RADIUS Accounting
  • RFC 2154 OSPF w/Digital Signatures (password, MD-5)
  • RFC 2236 IGMP v2
  • RFC 2267 Network Ingress Filtering
  • RFC 2328 OSPF v2 (edge-mode)
  • RFC 2338 VRRP
  • RFC 2362 PIM-SM (edge-mode)
  • RFC 2370 OSPF Opaque LSA Option
  • RFC 2453 RIP v2
  • RFC 2460 Internet Protocol, Version 6 (IPv6) Specification
  • RFC 2461 Neighbor Discovery for IP Version 6 (IPv6)
  • RFC 2463 Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) Specification
  • RFC 2464 Transmission of IPv6 Packets over Ethernet Networks
  • RFC 2474 DiffServ Precedence, including 12 queues/port
  • RFC 2475 DiffServ Core and Edge Router Functions
  • RFC 2526 Reserved IPv6 Subnet Anycast Addresses
  • RFC 2597 DiffServ Assured Forwarding (AF)
  • RFC 2598 DiffServ Expedited Forwarding (EF)
  • RFC 2740 OSPF for IPv6
  • RFC 2868: Radius Attributes for Tunnel Protocol Support
  • RFC 2925 MIB for Remote Ping, Trace
  • RFC 3176 sFlow
  • RFC 3376 IGMP v3
  • RFC 3484 Default Address Selection for Internet Protocol Version 6 (IPv6)
  • RFC 3513 Internet Protocol Version 6 (IPv6) Addressing Architecture
  • RFC 3569 draft-ietf-ssm-arch-06.txt PIM-SSM PIM Source Specific Multicast
  • RFC 3579 RADIUS EAP support for 802.1x
  • RFC 3618 Multicast Source Discovery Protocol (MSDP)
  • RFC 3623 OSPF Graceful Restart
  • RFC 4213 Basic Transition Mechanisms for IPv6 Hosts and Routers
  • RFC 4291 IPv6 Addressing Architecture
  • RFC 4443 ICMPv6 for the IPv6 Specification
  • RFC 4541 IBMP and MLD snooping services
  • RFC 4552 OSPFv3 Authentication
  • RFC 4861 Neighbor Discovery for IPv6
  • RFC 4862 IPv6 Stateless Address Autoconfiguration
  • RFC 4915 MT-OSPF
  • RFC 5095 Deprecation of Type 0 Routing Headers
  • RFC 5176 Dynamic Authorization Extensions to RADIUS
  • RFC 5798 VRRPv3 for IPv6
  • Draft-ietf-bfd-base-05.txt Bidirectional Forwarding Detection
  • Draft-ietf-idr-restart-10.txt Graceful Restart Mechanism
  • Draft-ietf-isis-restart-02 Restart Signaling for IS-IS
  • Draft-ietf-isis-wg-multi-topology-11 Multi Topology (MT) Routing in IS-IS for BGP
  • Internet draft-ietf-isis-ipv6-06.txt, Routing IPv6 with IS-IS
  • LLDP Media Endpoint Discovery (LLDP-MED), ANSI/ TIA-1057, draft 08
  • PIM-DM Draft IETF PIM Dense Mode draft-ietf-idmr-pimdm-05.txt, draft-ietf-pim-dm-new-v2-04.txt
Supported MIBs
  • RFC 1155 SMI
  • RFC 1157 SNMPv1
  • RFC 1212, RFC 1213, RFC 1215 MIB-II, Ethernet-Like MIB and TRAPs
  • RFC 1493 Bridge MIB
  • RFC 1643 Ethernet MIB
  • RFC 1657 BGP-4 MIB
  • RFC 1724 RIPv2 MIB
  • RFC 1850 OSPFv2 MIB
  • RFC 1905 RFC 1907 SNMP v2c, SMIv2 and Revised MIB-II
  • RFC 2011 SNMPv2 for Internet Protocol using SMIv2
  • RFC 2012 SNMPv2 for transmission control protocol using SMIv2
  • RFC 2013 SNMPv2 for user datagram protocol suing SMIv2
  • RFC 2096 IPv4 Forwarding Table MIB
  • RFC 2287 System Application Packages MIB
  • RFC 2570–2575 SNMPv3, user based security, encryption, and authentication
  • RFC 2576 Coexistence between SNMP Version 1, Version 2, and Version 3
  • RFC 2578 SNMP Structure of Management Information MIB
  • RFC 2579 SNMP Textual Conventions for SMIv2
  • RFC 2665 Ethernet-like interface MIB
  • RFC 2787 VRRP MIB
  • RFC 2819 RMON MIB
  • RFC 2863 Interface Group MIB
  • RFC 2863 Interface MIB
  • RFC 2922 LLDP MIB
  • RFC 2925 Ping/Traceroute MIB
  • RFC 2932 IPv4 Multicast MIB
  • RFC 3413 SNMP Application MIB
  • RFC 3414 User-based Security model for SNMPv3
  • RFC 3415 View-based Access Control Model for SNMP
  • RFC 3621 PoE-MIB (PoE switches only)
  • RFC 4188 STP and Extensions MIB
  • RFC 4363 Definitions of Managed Objects for Bridges with Traffic Classes, Multicast Filtering, and VLAN extensions
  • RFC 5643 OSPF v3 MIB support
  • RFC 6614 RadSec
  • Draft – blumenthal – aes – usm - 08
  • Draft – reeder - snmpv3 – usm - 3desede -00
  • Draft-ietf-bfd-mib-02.txt
  • Draft-ietf-idmr-igmp-mib-13
  • Draft-ietf-idmr-pim-mib-09
  • Draft-ietf-idr-bgp4-mibv2-02.txt – Enhanced BGP-4 MIB
  • Draft-ietf-isis-wg-mib-07
Troubleshooting
  • Debugging: CLI via console, Telnet, or SSH
  • Diagnostics: Show and debug command, statistics
  • Traffic mirroring (port)
  • Traffic mirroring (VLAN)
  • IP tools: Extended ping and trace
  • Juniper Networks commit and rollback
Traffic Monitoring
  • ACL-based mirroring
  • Mirroring destination ports per system: 4
  • LAG port monitoring
  • Multiple destination ports monitored to 1 mirror (N:1)
  • Maximum number of mirroring sessions: 4
  • Mirroring to remote destination (over L2): 1 destination VLAN

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