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Коммутатор Juniper EX2300-48T

Коммутатор Juniper EX2300-48T
Артикул: EX2300-48T
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Switching Engine Model
Store and forward  
DRAM
2 GB 
Flash
2 GB  
CPU
1.25GHz ARM CPU 
GbE Port Density per System
28 (24 host ports + four-port SFP/SFP+ uplinks) 
Packet-Switching Capacities (Maximum with 64-Byte Packets)
128 Gbps 
Layer 2/Layer 3 Throughput (Mpps) (Maximum with 64 Byte Packets)
95 Mpps
Dimensions (W x H x D)
Width: - 17.4 in (44.19 cm) for desktop installations - 17.5 in (44.6 cm) with rack-mount brackets
Height: 1.75 in (4.45 cm) for 1U installations • Depth: - EX2300-24T: 25.9 cm
Backplane
80 Gbps Virtual Chassis interconnect to link up to four switches as a single logical device  
System Weight
3.29 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 13,000 ft (3962 m) at 40° C according to GR-63
Non-operating altitude: up to 15,000 ft (4572 m)
Relative humidity operating: 10% to 85% (noncondensing)
Relative humidity non-operating: 0% to 95% (noncondensing)  
Cooling
25 cfm 
Layer 2 Features 
• Maximum MAC addresses in hardware: 16,000 • Jumbo frames: 9216 bytes • Number of VLANs supported: 4093 • Range of possible VLAN IDs: 1-4094 • Port-based VLAN • MAC-based VLAN • Voice VLAN • Layer 2 Tunneling Protocol (L2TP) • 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
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 
Services and Manageability
Junos OS CLI • Web interface (J-Web) • Out-of-band management: Serial, 10/100BASE-T Ethernet • ASCII configuration • Rescue configuration • Configuration rollback • Image rollback • Element management tools: Junos Space Network Management Platform • 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 
Troubleshooting
Debugging: CLI via console, telnet, or SSH • Diagnostics: Show and debug command statistics • Traffic mirroring (port) • Traffic mirroring (VLAN) • 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 • Encapsulated Remote Switched Port Analyzer (ERSPAN) • IP tools: Extended ping and trace • Juniper Networks commit and rollback 
Safety Certifications
UL-UL60950-1 (Second Edition) • C-UL to CAN/CSA 22.2 No.60950-1 (Second Edition) • TUV/GS to EN 60950-1 (Second Edition) • CB-IEC60950-1 (Second Edition with all country deviations) • EN 60825-1 (Second Edition) 
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

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