Datasheet EX3400-48T-DC

Physical Specifications

Dimensions (W x H x D) 17.36 x 1.72 x 15.05 in (44.1 x 4.37 x 38.24 cm)

Backplane 160 Gbps (with QSFP+ ports) or 80 Gbps (with SFP+ ports) Virtual Chassis interconnect to link up to 10 switches as a single logical device

Uplink Fixed 4-port uplinks can be individually configured as GbE (SFP) or 10GbE (SFP+) ports; 2 x 40G QSFP+ ports

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 (3048 m)

+ Nonoperating altitude: up to 16,000 ft (4877 m)

+ Relative humidity operating: 10% to 85% (noncondensing)

+ Relative humidity nonoperating: 0% to 95% (noncondensing)

Hardware Specifications

DRAM 2 GB with ECC

Flash 2 GB

CPU Dual Core 1 GHz

GbE port density per system 48host ports + four 1/10 GbE and two 40GbE uplink ports

Packet-Switching Capacities (Maximum with 64-Byte Packets) 168 Gbps (unidirectional)/336 Gbps (bidirectional)

Software Specifications

Layer 2/Layer 3 Throughput (Mpps) (Maximum with 64 Byte Packets) 250 Mpps

Layer 2 Features

+ Maximum MAC addresses per system: 32,000

+ Jumbo frames: 9216 bytes

+ Number of VLANs supported: 4,096

+ Range of possible VLAN IDs: 1-4094

+ Port-based VLAN

+ MAC-based VLAN

+ Voice VLAN

+ Layer 2 Tunneling Protocol (L2TP)

+ Compatible with Per-VLAN Spanning Tree Plus (PVST+)

+ RVI (routed VLAN interface)

+ Persistent MAC (sticky MAC)

+ RSTP and VSTP running concurrently

+ IEEE 802.1AB: Link Layer Discovery Protocol (LLDP)

+ LLDP-MED with VoIP integration

+ IEEE 802.1ae Media Access Control Security (MACsec)

+ IEEE 802.1ak Multiple VLAN Registration Protocol (MVRP)

+ IEEE 802.1br: Bridge Port Extension

+ IEEE 802.1D: Spanning Tree Protocol

+ IEEE 802.1p: CoS prioritization

+ IEEE 802.1Q-in-Q: VLAN stacking

+ IEEE 802.1Q: VLAN tagging

+ IEEE 802.1s: Multiple Spanning Tree Protocol (MSTP)

+ Number of MST instances supported: 64

+ Number of VSTP instances supported: 510

+ IEEE 802.1w: Rapid Spanning Tree Protocol (RSTP)

+ IEEE 802.1X: Port access control

+ IEEE 802.3: 10BASE-T

+ IEEE 802.3ab: 1000BASE-T

+ IEEE 802.3ad: Link Aggregation Control Protocol (LACP)

+ IEEE 802.1ad Q-in-Q tunneling

+ IEEE 802.3ae: 10-Gigabit Ethernet

+ IEEE 802.3u: 100BASE-T

+ IEEE 802.3z: 1000BASE-X

+ IEEE 802.3x: Pause Frames/Flow Control

+ Layer 3 VLAN-tagged subinterface

+ PVLAN support

+ Multicast VLAN routing

+ Adding/removing single tag

+ Filter-based SVLAN tagging

+ Flexible CoS (outer .1P marking)

Layer 3 Features: IPv4 + Maximum number of ARP entries: 16,000

+ Maximum number of IPv4 unicast routes in hardware: 14,000 prefixes; 36,000 host routes

+ Maximum number of IPv4 multicast routes in hardware: 18,000 groups; 4,000 multicast routes

+ Routing Protocols: RIP v1/v2, OSPF v2

+ Static routing

+ Layer 3 redundancy: VRRP

+ IP directed broadcast—traffic forwarding

+ Virtual router (VRF-Lite) supporting RIP, OSPF

+ Routing policy

+ Filter-based forwarding (FBF)

+ Unicast reverse-path forwarding

Layer 3 Features: IPv6 + Maximum number of Neighbor Discovery entries: 8,000

+ Maximum number of IPv6 unicast routes in hardware: 3,500 prefixes; 18,000 host routes

+ Maximum number of IPv6 multicast routes in hardware: 9,000 groups; 2,000 multicast routes

+ Neighbor discovery, system logging, Telnet, SSH, Junos Web, SNMP, Network Time Protocol (NTP), Domain Name System (DNS)

+ Routing protocols: RIPng, OSPF v3

+ Static routing

+ IPv6 ACL (PACL, VACL, RACL)

+ IPv6 CoS (BA, MF classification and rewrite, scheduling based on TC)

+ MLDv1/v2 snooping

+ IPv6 ping, traceroute

+ IPv6 stateless auto-configuration

+ IPv6 Layer 3 forwarding in hardware

+ IPv6 Layer 3 redundancy: VRRP v6

+ Virtual Router support for IPv6 unicast

+ PIM for IPv6 multicast