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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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