Lenovo RackSwitch G8272 Instrukcja obsługi produktu - Strona 18
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Ethernet standards
The switch supports the following Ethernet standards:
IEEE 802.1AB Data Center Bridging Capability Exchange Protocol (DCBX) (ENOS only)
IEEE 802.1D Spanning Tree Protocol (STP)
IEEE 802.1p Class of Service (CoS) prioritization
IEEE 802.1s Multiple STP (MSTP)
IEEE 802.1Q Tagged VLAN (frame tagging on all ports when VLANs are enabled)
IEEE 802.1Qbg Edge Virtual Bridging (ENOS only)
IEEE 802.1Qbb Priority-Based Flow Control (PFC) (ENOS only)
IEEE 802.1Qaz Enhanced Transmission Selection (ETS) (ENOS only)
IEEE 802.1x port-based authentication (ENOS only)
IEEE 802.1w Rapid STP (RSTP)
IEEE 802.3 10BASE-T Ethernet
IEEE 802.3ab 1000BASE-T copper twisted pair Gigabit Ethernet
IEEE 802.3ad Link Aggregation Control Protocol
IEEE 802.3ae 10GBASE-SR short range fiber optics 10 Gb Ethernet
IEEE 802.3ae 10GBASE-LR long range fiber optics 10 Gb Ethernet
IEEE 802.3ae 10GBASE-ER extended range fiber optics 10 Gb Ethernet
IEEE 802.3ba 40GBASE-SR4 short range fiber optics 40 Gb Ethernet
IEEE 802.3ba 40GBASE-CR4 copper 40 Gb Ethernet
IEEE 802.3u 100BASE-TX Fast Ethernet
IEEE 802.3x Full-duplex Flow Control
IEEE 802.3z 1000BASE-SX short range fiber optics Gigabit Ethernet
IEEE 802.3z 1000BASE-LX long range fiber optics Gigabit Ethernet
Cooling
The G8272 switch supports up to four variable speed, hot-swap fan assemblies (four fan assemblies come
standard with the switch and they provide 3+1 redundancy). Spare fan assemblies can be ordered, if
required (see the following table). Each option contains one hot-swap fan assembly (rear-to front or front-
to-rear).
Table 7. Fan assembly spare options
Description
Rear to front airflow (7159-HCW)
Lenovo RackSwitch Hot-swap, Rear-to-Front Fan Assembly
Front to rear airflow (7159-HCV)
Lenovo RackSwitch Hot-swap, Front-to-Rear Fan Assembly
Power supplies and cables
Lenovo RackSwitch G8272
Part
Feature
number
code
00FM441
ASRG
00FM440
ASRF
18