Top-of-Rack Data Center Switch


Gemini face

LN-4348Y-8Z TOR switch – with superior port density of 48×25 Gbps and 8×100 Gbps ports is ideally suited for deployment at the server access layer in large enterprise data centers.

LN-4348Y-8Z delivers high-performance, high interface density and low latency to allow enterprises and carriers to build cloud-oriented data center networks.With port speeds spanning from 10Gbps to 100Gbps per port and port density that enables full rack connectivity to any server at any speed LN-4348Y-8Z switch is an ideal leaf and top of rack (ToR) solution, allowing maximum flexibility.

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Product Highlights

  • 1RU, 19-inch rack mountable design
  • Cut-through with ultra-low-latency
  • 48 x 25 Gbps (SFP28) ports and 8 x 100 Gbps (QSFP28) ports
  • Up to 2Tbps of switching I/O bandwidth (full duplex)
  • Open automated configuration and zero-touch provisioning capabilities
  • Simplify management of network environments
Management ports1x RJ45 100/1000Base-T out-of-band
1 x RJ-45 Console, 1 x USB Type A
Switching ChipMarvell Falcon 98CX8512
CPUIntel Broadwell-DE D1517
MemoryDefault 8GB DDR4
Max 32GB DDR4
SSD module optional
BMCAST2520 optional
Power supply units2 x 100-240 VAC, 650W
Redundant, hot swappable
Power consumption520W max
Fan units5 (4+1 redundant)
Hot swappable
Dimension(W) 440 mm x (D) 470 mm x (H) 44 mm
Weight, kg9.7 kg
Operating temperature0°С –  +40°С
Larch OS Software Features

Layer 2 Feature list

802.1D Spanning Tree Protocol/802.1 w Rapid Spanning Tree / 802.1 s Multiple Spanning Tree / RPVST+
VLAN’s with QinQ
802.1Q VLAN’s / Trunking support
Private VLAN’s
802.1 AB Link Layer Discovery protocol
802.3x Flow control
802.1x Authentication
802.3ad Link aggregation group support Multi-chassis Link aggregation group support CFM 802.1ag
VxLAN support with EVPN

Layer 3 Feature list

Static IPv4/Ipv6
OSPFv2/v3, ISIS (v4/v6), MP-BGP, RIPv2
Multi-path ECMP
VRF Lite – IPv4
BFD for IPv4, IPv6, Protocol support for OSPF, BGP in Global and VRF space
IGMP v2/v3
IGMP Snooping, querier, proxy report suppression MLD

MPLS/MPLS-TP Feature list

MPLS Architecture Support
LDP, RSVP support
RSVP Traffic Engineering support
RSVP FRR with 1:1 and 1:n support
Pseudowire setup and maintenance using LDP Pseudowire setup and maintenance using BGP EVPN support over VPLS
MPLS L3VPN for IPv4/IPv6
Differentiated Services over MPLS
BFD for Pseudowire VCCV
OAM for MPLs based transport networks, pro- active connectivity check, RDI
MPLS TP, Transport Profile Support
MVPN Support

Management, Security and Qos Features

Access control list
RADIUS & TACACS+ support
Role based access control
Modular & Hierarchical QOS for Policing, Marking and Shaping
Flexible flow classification and action rule-set NETCONF support
Ansible Integration
Sflow support
DCHP Relay/Client
SNMP Support
Industry standard CLI