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Description

Hardware Specifications
Switching Engine Model	Store and forward
DRAM	2 GB (EX2300-24/48T/P)
Flash	2 GB (EX2300 non-multigigabit models) 8 GB (EX2300-24MP, EX2300-48MP)
CPU	1.25GHz ARM CPU
GbE Port Density per System	EX2300-24P/24T/24MP: 28 (24 host ports + four-port SFP/SFP+ uplinks) EX2300-48P/48T: 52 (48 host ports + four-port SFP/SFP+ uplinks) EX2300-48MP: 54 (48 host ports + six-port SFP/SFP+ uplinks)
Supported Optics	10/100/1000BASE-T connector type RJ-45 GbE SFP optic/connector type: RJ-45, or LC SFP fiber supporting 1000BASE-T SFP, SX (multimode), LX (singlemode), or LH (single-mode)
Physical Layer	Physical port redundancy: Redundant trunk group (RTG) Cable diagnostics for detecting cable breaks and shorts Auto MDI/MDIX (medium-dependent interface/mediumdependent interface crossover) support Port speed downshift/setting maximum advertised speed on 10/100/1000BASE-T ports Digital optical monitoring for optical ports
Packet-Switching Capacities (Maximum with 64-Byte Packets)	EX2300-24P/24T: 64 Gbps (unidirectional)/128 Gbps (bidirectional) EX2300-24MP: 76 Gbps (unidirectional)/ 152 Gbps (bidirectional) EX2300-48P/48T: 88 Gbps (unidirectional)/176 Gbps (bidirectional) EX2300-48MP: 132 Gbps (unidirectional)/264 Gbps (bidirectional)
Software Specifications
Layer 2/Layer 3 Throughput (Mpps) (Maximum with 64 Byte Packets)	EX2300-24P/24T/24MP: 95 Mpps (wire speed) EX2300-48P/48T/48MP: 130 Mpps (wire speed)
Layer 2 Features	Maximum MAC addresses in hardware: 16,000 Jumbo frames: 9216 bytes Number of VLANs supported: 4093 (2044 active VLAN) Range of possible VLAN IDs: 1-4094 Port-based VLAN MAC-based VLAN Voice VLAN Layer 2 Protocol Tunneling (L2PT) IEEE 802.1ak: Multiple VLAN Registration Protocol (MVRP) 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 802.1ad Q-in-Q tunneling IEEE 802.1br: Bridge Port Extension 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 Number of VSTP instances supported: 253 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 802.3z: 1000BASE-X IEEE 802.3af: PoE IEEE 802.3at: PoE+ IEEE 802.3ad: Link Aggregation Control Protocol (LACP) IEEE 802.3x: Pause Frames/Flow Control IEEE 802.3az: Energy Efficient Ethernet
Layer 3 Features: IPv4	Maximum number of ARP entries: 1,500 Maximum number of IPv4 unicast routes in hardware: 512 prefixes; 4,096 host routes Maximum number of IPv4 multicast routes in hardware: 2,048 groups; 2,048 multicast routes Routing Protocols: RIP v1/v2, OSPF v1/v2 Static routing Routing policy Bidirectional Forwarding Detection (BFD) with slow timers (> 3 sec) IP directed broadcast
Layer 3 Features: IPv6	Maximum number of Neighbor Discovery (ND) entries: 1,500 Maximum number of IPv6 unicast routes in hardware: 512 prefixes; 2,048 host routes Maximum number of IPv6 multicast routes in hardware: 1,024 groups; 1,024 multicast routes Neighbor discovery, system logging, Telnet, SSH, SNMP, Network Time Protocol (NTP), Domain Name System (DNS) Static routing Routing protocols: RIPng, OSPF v3, Multicast Listener Discovery, Multicast Listener Discovery v2
Access Control Lists (ACLs) (Junos OS Firewall Filters)	Port-based ACL (PACL)—256 ingress; 256 egress VLAN-based ACL (VACL)—256 ingress; 256 egress Router-based ACL (RACL)—256 ingress; 512 egress ACL entries (ACE) in hardware per system: 2,000 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	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 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 EAP types: Message Digest 5 (MD5), Transport Layer Security (TLS), Tunneled Transport Layer Security (TTLS), Protected Extensible Authentication Protocol (PEAP) IPv6 RA Guard IPv6 Neighbor Discovery Inspection Captive Portal Static MAC authentication MAC-RADIUS Control plane DoS protection Fallback authentication Trusted Network Connect (TNC) certified
High Availability	Link aggregation 802.3ad (LACP) support: Number of LAGs supported: 128 Maximum number of ports per LAG: 8 Tagged ports support in LAG Uplink Failure Detection
Quality of Service (QoS)	Layer 2 QoS Layer 3 QoS Ingress policing: one-rate two-color; two-rate three-color markers Hardware queues per port: 8 Scheduling methods (egress): Strict Priority (SP), shapeddeficit 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 and WRED
Multicast	IGMP snooping entries: 2,000 IGMP: v1, v2, v3 IGMP snooping PIM-SM, PIM-SSM, PIM-DM MLD snooping
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 Junos Web interface (J-Web) Out-of-band management: Serial, 10/100BASE-T Ethernet ASCII configuration Rescue configuration Configuration rollback Image rollback Simple Network Management Protocol (SNMP): v1, v2c, v3 Remote monitoring (RMON) (RFC 2819) Groups 1, 2, 3, 9 Network Time Protocol (NTP) DHCP server DHCP client and DHCP proxy DHCP relay and helper RADIUS authentication TACACS+ authentication SSHv2 Secure copy HTTP/HTTPs DNS resolver System log logging Temperature sensor Configuration backup via FTP/secure copy Interface range
Supported RFCs	RFC 768 UDP RFC 783 Trivial File Transfer Protocol (TFTP) RFC 791 IP RFC 792 Internet Control Message Protocol (ICMP) RFC 793 TCP RFC 826 ARP RFC 854 Telnet client and server RFC 894 IP over Ethernet RFC 903 Reverse ARP (RARP) RFC 906 Bootstrap Loading using TFTP RFC 951, 1542 BootP RFC 1027 Proxy ARP RFC 1058 RIP v1 RFC 1122 Requirements for Internet Hosts RFC 1256 IPv4 ICMP Router Discovery (IRDP) RFC 1492 TACACS+ RFC 1519 Classless Interdomain Routing (CIDR) RFC 1591 Domain Name System (DNS) RFC 1812 Requirements for IP Version 4 routers RFC 2030 Simple Network Time Protocol (SNTP) RFC 2068 HTTP/1.1 RFC 2131 BOOTP/DHCP relay agent and DHCP server RFC 2138 RADIUS Authentication RFC 2139 RADIUS Accounting RFC 2267 Network Ingress Filtering RFC 2453 RIP v2 RFC 2474 DiffServ Precedence, including 8 queues/port RFC 2597 DiffServ Assured Forwarding (AF) RFC 2598 DiffServ Expedited Forwarding (EF) RFC 2710 Multicast Listener Discovery Version (MLD) for IPv6 RFC 2925 Definitions of Managed Objects for Remote Ping, Traceroute, and Lookup Operations RFC 3176 sFlow RFC 3579 RADIUS Extensible Authentication Protocol (EAP) support for 802.1X RFC 5176 Dynamic Authorization Extensions to RADIUS LLDP Media Endpoint Discovery (LLDP-MED), ANSI/TIA1057, draft 08
Supported MIBs	RFC 1155 Structure of Management Information (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 1724 RIPv2 MIB RFC 1905 RFC 1907 SNMP v2c, SMIv2 and Revised MIB-II RFC 1981 Path MTU Discovery for IPv6 RFC 2011 SNMPv2 Management Information Base for the IP using SMIv2 RFC 2012 SNMPv2 Management Information Base for the Transmission Control Protocol using SMIv2 RFC 2013 SNMPv2 Management Information Base for the User Datagram Protocol using SMIv2 RFC 2096 IPv4 Forwarding Table MIB RFC 2287 System Application Packages MIB RFC 2460 IPv6 Specification RFC 2464 Transmission of IPv6 Packets over Ethernet Networks RFC 2570-2575 SNMPv3, User-based Security, Encryption, and Authentication RFC 2576 Coexistence between Version 1, Version 2, and Version 3 of the Internet-standard Network Management Framework RFC 2578 SNMP Structure of Management Information MIB RFC 2579 SNMP Textual Conventions for SMIv2 RFC 2665 Definitions of Managed Objects for the Ethernet-like Interface Types RFC 2819 RMON MIB RFC 2863 The Interfaces Group MIB RFC 2922 LLDP MIB RFC 2925 Definitions of Managed Objects for Remote Ping, Traceroute, and Lookup Operations RFC 3413 SNMP Application MIB RFC 3414 User-based Security Model for SNMPv3 RFC 3415 View-based Access Control Model (VACM) for SNMP RFC 3484 Default Address Selection for IPv6 RFC 3621 PoE-MIB (PoE switches only) RFC 3810 Multicast Listener Discovery Version 2 (MLDv2) for IPv6 RFC 4188 STP and Extensions MIB RFC 4213 Basic Transition Mechanisms for IPv6 Hosts and Routers RFC 4291 IPv6 Addressing Architecture RFC 4363 Definitions of Managed Objects for Bridges with Traffic Classes, Multicast Filtering, and VLAN Extensions RFC 4443 ICMPv6 for the IPv6 Specification RFC 4861 Neighbor Discovery for IPv6 RFC 4862 IPv6 Stateless Address Autoconfiguration Draft – blumenthal – aes – usm - 08 Draft – reeder - snmpv3 – usm - 3desede -00

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