.png "G7820 Side")
.png "G7820 Front")
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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.
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
MPLS-TP
- 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
Management
- 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
- VPLS bridging
- H-VPLS bridging
- 32K MAC addresses
- 2K VPLS instances per device
- Split horizon to prevent forwarding loops
CoS/QoS
- 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
Timing
- 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)
*Future option
