Quanta QCT
T3048-LY2 10 GbE / 40 GbE Networking Switch

10 GbE / 40 GbE Networking SwitchQCT logo



T3048 LY2 front




  • Form Factor:1U height switch for standard rack mounting
  • Port Configuration:48 1/10GbE SFP/SFP+ downlink ports
    4x 10/40GbE QSFP+ uplink ports
  • Management ports:1 10/100/1000-Mbps RJ-45 console port
    1x out-of-band management port
  • Power Supply:Dual high efficiency redundant, hot swappable power supplies

QCT T3048-LY2 Specifications

Physical ports  
48 1/10GbE SFP+ and 4 40GbE QSFP+ ports
1 RJ-45 out-of-band management port (10/100/1000)
1 RJ-45 console port
Switching capacity: 1.28 Tbps
Forwarding rate: 960Mpps
Latency: 1.2 microseconds
Memory: 2GB
Flash: 64MB
MAC: 128K
Packet buffer: 9MB
Jumbo frame: 12K
L2 Features  
Auto-negotiation for port speed and duplex
Flow control: IEEE 802.3x & back-pressure
Switching mode: store-and-forward
Spanning Tree Protocol:
− 802.1D, 802.1w, and 802.1s
− Spanning Tree Fast Forwarding
− Edge port
− Loop guard
− BPDU filter/guard
− Auto Edge
− TCN guard
− Root guard
− IEEE 802.1Q tagged based
− Port-based (up to 4094 VLANs)
− Private VLAN
− 802.1v protocol VLAN
− Voice VLAN
− MAC-based VLAN
− IP-subnet VLAN
− QinQ
VTP v1/v2
Storm control
– Broadcast
– Unknown multicast
– Unknown unicast
IGMP snooping
– IGMP snooping v1/v2/v3
– IGMP v1/v2 querier
– IGMP immediate leave
Ling Aggregation
– 802.3ad with LACP
– Cisco EtherChannel Liked
– Unicast/Multicast traffic balance over trunking port (dst-ip, dst-mac, src-dst-ip, src-dst-mac, src-ip, src-mac)
Multi-chassis LAG (MLAG)
Link state
Port backup
Queues per port: 8 queues
Scheduling for priority queue: WRR, Strict and hybrid (WRR+Strict)
COS: 802.1p, IP Precedence, and DSCP
Port rate limit
Auto VoIP
iSCSI optimization
Static and dynamic port security (MAC-based)
802.1x: port-based, MAC-based, auto VLAN assignment, QoS assignment, guest VLAN, unauthenticated VLAN
ACL: L2/L3/L4
IPv6 ACL: L3/L4
RADIUS: authentication and accounting (up to 32 servers)
TACACS+: authentication (up to 5 servers)
HTTPS (AES 128-cbc, 3ES-cbc, Blowsh-cbc)
SSH v1.5/v2.0 (AES 128-cbc, 3ES-cbc, Blowsh-cbc)
User name and password: local authentication and remote authentication via RADIUS/TACACS+
Denial of Service control
Management IP filtering (SNMP/Web/Telnet/SSH)
MAC filtering
IP Source Guard
Dynamic ARP inspection (DAI)
DHCP snooping
Industrial command line interface
CLI filtering
Software download/upload: TFTP/Xmodem/FTP
Configuration download/upload: TFTP/Xmodem/FTP
Dual image supported
SNMP v1/v2c/v3
RMON 1, 2, 3 and 9
BOOTP: client/relay
DHCP: client/relay/option 82
Event/error log: local flash and remote server via system log (RFC3164)
DNS: client/relay
LLDP (802.1ab, Link Layer Discovery Protocol)
CDP (Cisco Discovery Protocol) version 2
Port mirroring: one to one and many to one
sFlow (RFC 3176)
IPv6 management:
− IPv4/IPv6 Dual Stack
− ICMPv6
− ICMPv6 redirect
− IPv6 Path MTU Discovery
− IPv6 Neighbor Discovery
− stateless auto-configuration
− manual configuration
− DHCPv6 (client)
− SNMP/HTTP/SSH/Telnet over IPv6
− IPv6 DNS resolver
− IPv6 RADIUS/TACACS+ support
− IPv6 Syslog support
− IPv6 Ping
Layer 3 features  
ARP (static: 128 and dynamic 3968)
Proxy ARP
Local proxy ARP
Static route
Unicast Routing: RIP v1/v2, OSPF
Multicast Routing: IGMP v1/v2/v3, DVMRP, PIM-DM/-SM
IPv6 Layer 3 features  
Static route
Unicast Routing: RIPng and OSFPv3
Multicast Routing: MLD v1/v2, PIM-DM6/-SM6
DHCPv6: relay
Data Center features  
Congestion Notification
Enhanced Transmission Selection
Priority-based Flow Control
Data Center Bridging Extension
FIP snooping
VM Tracer features  
VMware vSphere support
VM Auto Discovery
VM Adaptive Segmentation
VM host view
Ethernet Virtual Bridge  
Ethernet Virtual Bridging (EVB, IEEE 802.1Qbg)
Dimension (HxWxD): 42.8x435x393.7 mm
Weight: 7.7kg(NET)
Environmental specifications  
Operating temperature: 0~45°C
Operating humidity: 90% maximum relative humidity
Power consumption: 218.4W (full loading)
Reduction of Hazardous Substances (RoHS) 6
Order information  
T3048-LY2 (1LY2BZZ0008) (Front to Back)
T3048-LY2 (1LY2BZZ0009) (Back to Front)
Limited lifetime warranty

Safety / EMC

UL 60950-1 (2nd Ed.)
CSA C22.2 60950-1-07 (2nd Ed.)
IEC 60950-1 (2005)
EN 60950-1 (2006)
FCC 47CFR, Part 15 Class A
ICES-003 Class A
EN 55022 Class A
CISPR 22 Class A
EN 55024
EN 61000-3-2
EN 61000-3-3
EN 300 386

* All specifications and figures are subject to change without prior notice

For more information contact Zstor's sales team via E-Mail:

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