Switch Juniper EX2300-48P-TAA hỗ trợ tất cả các tính năng layer 2 và một số tính năng layer 3, đáp ứng nhu cầu cho các doanh nghiệp vừa và nhỏ, hay sử dụng làm switch Access hoặc Distribution trong các doanh nghiệp lớn.

Physical Specifications

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: 12.2 in (30.98 cm)

Backplane + 80 Gbps Virtual Chassis interconnect to link up to four switches as a single logical device

Weight 11.07 lb (5.02 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)

Max. System Power Consumption (Input Power without PoE) 100 W AC

Total PoE Power Budget 740 W

Hardware Specifications

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)

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