Mô tả
12-port 10/100/1000Base-T PoE+ with 2-port SFP/SFP+ Switch JUNIPER EX2300-C-12P-TAA
– Thiết bị chuyển mạch, Switch Juniper EX2300-C-12P-TAA, EX2300 Series Compact Fanless 12-port 10/100/1000BASE-T PoE+, 2 x 1/10GbE SFP/SFP+ (optics sold separately). Bộ chuyển mạch dòng Juniper EX2300 Series giải pháp hoàn hảo mang tới sự tiện lợi để dùng trong các văn phòng, chi nhánh vừa và nhỏ.
– Juniper EX2300-C-12P-TAA sở hữu thiết kế nhỏ gọn, tính thẩm mỹ cao và đồng thời cũng có đầy đủ các tính năng để triển khai và quản lý một cách tiện lợi nhất. Bộ chuyển mạch Juniper EX2300-C-12P-TAA cung cấp năng lượng để hỗ trợ các thiết bị nối mạng như điện thoại, máy quay video, IEEE, điểm truy cập WLAN 802.11n và điện thoại video.
Thông số, tính năng kỹ thuật
| Physical Specifications | |
| Max. System Power Consumption (Input Power without PoE) | 24W AC |
| Total PoE Power Budget | 124W |
| Backplane | 40 Gbps Virtual Chassis interconnect to link up to four switches as a single logical device |
| Dimensions (W x H x D) | 27.9 x 4.4 x 23.9 cm |
| Weight | 3.17 kg |
| Environmental Ranges | Operating temperature: 32° to 104° F (0° to 40° C)1, 2 Storage temperature: -40° to 158° F (-40° to 70° C) Operating altitude: up to 5,000 ft (1524 m) Nonoperating altitude: up to 16,000 ft (4877 m) Relative humidity operating: 10% to 85% (noncondensing) Relative humidity nonoperating: 0% to 95% (noncondensing) |
| Cooling | Fanless operation |
| TAA Compliant | Yes |
| Hardware Specifications | |
| DRAM | 2 GB with ECC |
| Flash | 2 GB |
| CPU | 1.25 GHz ARM CPU |
| GbE port density per system | 14 (12 access ports + 2 uplink ports) |
| Packet Switching Capacities | + 64 Gbps |
| Layer 2 Throughput (Mpps) | 47 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 |
| 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 |
| 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 access control list (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: 2 rate 3 color 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 | Internet Group Management Protocol (IGMP) snooping entries: 2,000 IGMP: v1, v2, v3 IGMP snooping PIM sparse mode (PIM SM), PIM source-specific multicast (PIM SSM), PIM dense mode (PIM DM) |
– Bảo hành: 12 tháng.
