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The following features are not supported with Stacking (for a full list of features, see the Networking OS
Application Guide):
IGMP Relay
IPv6
Policy-based routing
Routing protocols (RIP, OSPF, BGP)
sFLOW
Virtual Router Redundancy Protocol (VRRP)
Ethernet standards
The G8052 switch supports the following Ethernet standards:
IEEE 802.1D Spanning Tree Protocol (STP)
IEEE 802.1s Multiple STP (MSTP)
IEEE 802.1w Rapid STP (RSTP)
IEEE 802.1p Class of Service (CoS) prioritization
IEEE 802.1Q Tagged VLAN (frame tagging on all ports when VLANs are enabled)
IEEE 802.1x port-based authentication
IEEE 802.3 10BASE-T Ethernet
IEEE 802.3u 100BASE-TX Fast Ethernet
IEEE 802.3ab 1000BASE-T copper twisted-pair Gigabit Ethernet
IEEE 802.3z 1000BASE-SX short range fiber optics Gigabit Ethernet
IEEE 802.3z 1000BASE-LX long range fiber optics Gigabit Ethernet
IEEE 802.3ad Link Aggregation Control Protocol
IEEE 802.3x Full-duplex Flow Control
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
10GSFP+Cu SFP+ Direct Attach copper
Cooling
The G8052 switch supports up to four hot-swap fan assemblies (three fan assemblies come standard with
the switch, which provide N+1 cooling redundancy; if N+2 cooling redundancy is required, another fan
assembly can be ordered). 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 5. Fan assembly spare options
Description
Rear to front airflow (7159-HC1)
Lenovo RackSwitch Hot-Swap, Rear-to-Front Fan Assembly
Front to rear airflow (7159-HC2)
Lenovo RackSwitch Hot-Swap, Front-to-Rear Fan Assembly
Power supplies and cables
Lenovo RackSwitch G8052
Part
Feature
number
code
00D6071
A54K
00D6073
A54J
11
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