Thông số kỹ thuật Switch Juniper EX2300-48T
| Datasheet EX2300-48T | |
| 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: 10.2 in (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) + 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) |
| 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) |
| 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 802.3ad: 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 |
