Loop Telecom L2L25L3 Intelligent Switch G7820 / Loop-G7820-48T-G

SKU: 3282 Category:



G7820 provides advanced L2 and L3 features to meet the requirements in carrier ethernet and enterprise network application. G7820's main features including full IPv4/IPv6 stack*, on-chip OAM (802.1ag/CFM/EFM), and protocol-independent APS (<50ms protect switching). It comes in both fan and fanless versions.

Additional information

Weight 5.00 lbs
Dimensions 12.00 × 12.00 × 12.00 in


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Mechanical and Electrical.

  • 1U height ETSI chassis with 8 10GbE SFP+ ports and 48 GbE ports with RJ45
  • Power supply: hot swappable DC/AC, dual for redundancy
  • Operating Temperature: -0 ºC to 55 ºC

System capacity

  • 8 x 10GbE ports
  • 48 GbE ports
  • 120 Gbps Wire-Speed Bi-dir Switching Capacity


  • Any Ethernet port can be configured as NNI (MPLS port) or UNI (Ethernet service port)
  • Bi-directional LSP
  • Static LSP/PW provisioning via NMS
  • MPLS-TP OAM per ITU G.8113.2

Carrier Ethernet

  • Ethernet OAM – 802.3ah, 802.1ag/Y.1731
  • IEEE 802.1d STP, 802.1w RSTP, 802.1s MSTP
  • IEEE 802.3x Flow Control, 802.1q port based VLAN and port isolation, 802.1p QoS
  • IEEE 3ad Link Aggregation Control Protocol (LACP)
  • IEEE 1ad VLAN Stacking (Q-in-Q)

Layer 3

  • ARP, Ping, Trace route
  • VRRP
  • Static Route
  • RIP v1/v2
  • OSPF
  • NTP server/client
  • IGMP v2/v3

Network Protection

  • LSP 1+1 protection (send two, pick one) per RFC6378, based on TP OAM as fault detection
  • ERPS (G.8032) Ring Protection based on Ethernet OAM as fault detection
  • End to end protection switching within sub 50ms


  • Fully manageable via SNMP (v1, v2, v3)
  • Fully manageable via CLI
    • Serial port
    • SSH, Telnet via Ethernet
  • Account Security
    • Two types of privileges: Operator (read only) and Administrator (read and write)
    • Radius Client Authentication
  • Upload/Download NE configuration
  • Syslog, NTP

Ethernet Services

  • E-Line, E-LAN, E-Tree services as defined by MEF 9 and 14 and using VPWS/VPLS
  • Native Ethernet packets supported
  • Encapsulation: PW/LSP (MPLS-TP), VLAN tagging (1Q), VLAN double tagging (Q-in-Q)


  • VPLS bridging
  • H-VPLS bridging
  • 32K MAC addresses
  • 2K VPLS instances per device
  • Split horizon to prevent forwarding loops


  • 8 Priority Queues
  • Scheduling: Strict Priority, WRR with Hierarchy
  • Ingress Policing & Egress Shaping per service
  • CIR / PIR (EIR) 2-rate-3-color
  • MPLS: TC/EXP-Inferred-PSC (Per Hop Behavior Scheduling Class) LSP


  • IEEE 1588 v2*
    • PTP Clocks: Ordinary/Boundary/Transparent
    • ToD (Time of day)
    • 1-PPS (One Pulse per second) output interface
  • SyncE*
    • Synchronous Ethernet from all GbE ports (not on FET ports)
    • ESMC per ITU-T (Ethernet Synchronous Message Channel)

RoHS compliant units are identified by the letter G appearing at the end of ordering code.

Part Number Description Notes

G7820 Datasheet