Lenovo RackSwitch G8272 Product Manual page 7

Component Specification
Software
features
Performance Non-blocking architecture with wire-speed forwarding of traffic:
Scalability
Cooling Four 3+1 redundant hot-swap fans. Rear (non-port side) to front (port side) or front to rear
airflow.
Power supply Two load-sharing, redundant hot-swap 460 W AC (100 - 240 V) power supplies (1x IEC 320-
C14 connector on each power supply).
Hot-swap parts SFP/SFP+/QSFP+ transceivers, SFP+/QSFP+ DAC cables, power supplies, fans.
Management 1x 10/100/1000 Mb Ethernet port (RJ-45); 1x RS-232 port (Mini-USB); 1x USB port (for
ports additional firmware, log, and configuration files storage).
Management Industry standard command line interface (isCLI); SNMP v1, V2, and v3; Netconf (XML) (ENOS
interfaces only); REST API (CNOS only). Optional Lenovo Switch Center (ENOS only). Optional Lenovo
XClarity for discovery, inventory, monitoring and events. Optional Lenovo Networking Content
Pack for VMware vRealize Log Insight.
Security Secure Shell (SSH); Secure Copy (SCP); Secure FTP (sFTP); user level security; Role-based
features Access Control (RBAC); LDAP/LDAPS (ENOS only), RADIUS, and TACACS+ authentication;
access control lists (ACLs); port-based network access control (IEEE 802.1x; ENOS only).
Hardware Three-year customer-replaceable unit and onsite limited warranty with 9x5 next business day
warranty terms. Optional warranty service upgrades are available through Lenovo: 24x7 coverage, 2-hour
or 4-hour response time, 1-year or 2-year warranty extensions, 1-year or 3-year Remote
Technical Support (RTS).
Software Three-year software support and subscription is included in the base warranty. Optional 1-year
maintenance and 2-year warranty extensions include software support and subscription.
Mean Time 290,023 hours with ambient operating temperature of 40° C.
Between
Failures
Lenovo RackSwitch G8272
Lenovo Enterprise Networking OS (ENOS):
Layer 2 switching, Layer 3 switching, virtual local area networks (VLANs), VLAN tagging,
spanning tree protocol (STP), link aggregation (trunk) groups (LAGs), virtual LAGs
(vLAGs), Hot Links, Layer 2 failover, quality of service (QoS), Edge Virtual Bridging (EVB),
VMready, OpenFlow, IPv4/IPv6 management, IPv4/IPv6 routing, IPv4 virtual router
redundancy protocol (VRRP), IPv4 policy-based routing (PBR), Unified Fabric Port
(UFP), Converged Enhanced Ethernet, Fibre Channel over Ethernet (FCoE) transit switch
operations, VXLAN gateway.
Lenovo Cloud Networking OS (CNOS):
Layer 2 switching, Layer 3 switching, virtual local area networks (VLANs), VLAN tagging,
spanning tree protocol (STP), link aggregation (trunk) groups (LAGs), virtual LAGs
(vLAGs), quality of service (QoS), IPv4/IPv6 management, IPv4/IPv6 routing, IPv4/IPv6
virtual router redundancy protocol (VRRP), IPv4/IPv6 policy-based routing (PBR),
Converged Enhanced Ethernet, Network Policy Agent, Python scripting, REST API
programming.
100% line-rate performance
Up to 1.44 Tbps aggregated throughput
As low as 600 nanoseconds switching latency
Up to 9,216-byte jumbo frames
Receive buffer size: 12.2 MB
MAC address forwarding database entries: 224,000
VLANs: 4,095 (3,999 user-configurable; 96 reserved)
Per VLAN Rapid Spanning Tree (PVRST) instances: 256 (ENOS) / 500 (CNOS)
Multiple STP (MSTP) instances: 32 (ENOS) / 64 (CNOS)
Link aggregation groups: 72
Active ports in a link aggregation group: 32
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