Juniper EX3300 EX3300-48T 数据表

5

EX3300-24P

EX3300-48T/48T-BF

EX3300-24T/24T-DC

EX3300-48P

Uplink 

•  Fixed 4-port uplinks which can be individually configured as GbE 

(SFP) or 10GbE (SFP+) ports. 

Dimensions (W x H x D)

•  17.4 x 1.7 x 12 in (43.7 x 4.4 x 31 cm)

Weight Lbs (Kg)

•  EX3300-48P:  12.8 lb (5.8 kg)
•  EX3300-24P:  11.6 lb (5.3 kg)
•  EX3300-48T:  10.8 lb (4.9 kg)
•  EX3300-48T-BF: 10.8 lb (4.9 kg)
•  EX3300-24T:  10.0 lb (4.6 kg)
•  EX3300-24T-DC:  9.8 lb (4.5 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 10,000 ft (3,049 m) 
•  Non-operating altitude:  Up to 16,000 ft (4,877 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:  1 GB with ECC
•  Flash:  1 GB
•  CPU:  1 Ghz

GbE Port Density per System

•  EX3300-24T/EX3300-24P/EX3300-24T-DC:  28 (24 host ports + 

four 10 GbE/GbE uplink ports)

•  EX3300-48T/EX3300-48T-BF/EX3300-48P: 52 (48 host ports + 

four 10 GbE/GbE uplink ports)

Virtual Chassis Capabilities

•  Maximum number of members:  10
•  Number of Virtual Chassis ports:  4
•  Maximum Virtual Chassis interconnect capacity:  80 Gbps

Physical Layer

•  Time Domain Reflectometry (TDR) for detecting cable breaks and 

shorts

•  Auto medium-dependent interface/medium dependent interface 

crossover (MDI/MDIX) support

•  Port speed downshift/setting maximum advertised speed on 

10/100/1000BASE-T ports 

•  Digital optical monitoring for optical ports

Packet Switching Capacities (Maximum with  
64 Byte Packets)

•  EX3300-24T, EX3300-24P, EX3300-24T-DC:  128 Gbps
•  EX3300-48T, EX3300-48T-BF, EX3300-48P:  176 Gbps
•  Layer 2/Layer 3 Throughput (Mpps):
•  24P/24T/24T-DC:  95 Mpps
•  48P/48T/48T-BF:  130 Mpps

Layer 2 Switching

•  Maximum MAC addresses per system:  16,000
•  Jumbo frames:  9,216 Bytes
•  Number of VLANs:  4,096
•  Range of possible VLAN IDs:  1-4,095
•  Port-based VLAN
•  MAC-based VLAN
•  Voice VLAN
•  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 802.1D:  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 802.3x:  Pause frames/flow control
•  IEEE 802.3ad:  Link Aggregation Control Protocol (LACP)
•  Layer 3 VLAN-tagged sub-interface
•  NetBios snooping
•  Metro

 

- PVLAN support

 

- IEEE 802.1ag connectivity fault management

 

- ITU-T G803.2

 

- IEEE 802.1ad Q-in-Q