Mô tả
48-port 10/100/1000Base-T + 4-port SFP/SFP+ Switch JUNIPER EX2300-48T-TAA
– Thiết bị chuyển mạch Ethernet Switch EX2300-48T-TAA dòng Switch EX2300 của Juniper Networks cung cấp kết nối có thể mở rộng cho thị trường doanh nghiệp, bao gồm các văn phòng chi nhánh, địa điểm trong khuôn viên và trung tâm dữ liệu. Bộ chuyển mạch Ethernet Juniper Networks EX2300-48T-TAA này như những bộ chuyển mạch khác chúng đều chạy hệ điều hành Juniper Networks Junos (Junos OS), cung cấp các dịch vụ chuyển mạch, định tuyến và bảo mật lớp 2 và lớp 3.
– Bộ chuyển mạch Switch EX2300-48T-TAA được thiết kế với 48 Port tốc độ 10/100/1000BASE-T cùng với đó là giao diện 4 cổng Uplink có thể linh hoạt sử dụng với nhiều những thiết bị khác.
Thông số, tính năng kỹ thuật
| Dimensions (W x H x D) | 44.19 x 4.45 x 25.9 cm |
| Backplane | 80 Gbps Virtual Chassis interconnect to link up to four switches as a single logical device |
| Weight | 8.29 lb (3.76 kg) |
| Environmental Ranges | Operating temperature: 32° to 113° F (0° to 45° C) Storage temperature: -40° to 158° F (-40° to 70° C) |
| Max. System Power Consumption (Input Power without PoE) | 80W AC |
| TAA Compliant | Yes |
| Hardware Specifications | |
| Switching Engine Model | Store and forward |
| DRAM | 2 GB |
| Flash | 2 GB |
| CPU | 1.25GHz ARM CPU |
| GbE port density per system | 52 (48 host ports + four-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 | 176 Gbps |
| Layer 2 Throughput (Mpps) | 130 Mpps (wire speed) |
| Layer 2 Switching | 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 Management Functionality | 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, Multica |
| 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 |
| 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 |
| 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 |
– Bảo hành: 12 tháng.
