Lenovo RackSwitch G7028 Manuel du produit - Page 7
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The network cables that can be used with the switch are listed in the following table.
Table 4. G7028 network cabling requirements
Transceiver
10 Gb Ethernet
10Gb SR SFP+ (46C3447)
1/10Gb SFP+ (00MY034)
10Gb LR SFP+ (90Y9412)
Direct attach cable
1 Gb Ethernet
RJ-45 ports (fixed)
1Gb RJ-45 SFP (00FE333)
1Gb SX SFP (81Y1622)
1/10Gb SFP+ (00MY034)
1Gb LX SFP (90Y9424)
Management ports
Ethernet management port 1000BASE-T
RS-232 serial console port RS-232
Software features
The G7028 switch has the following software features:
Scalability and performance:
Media access control (MAC) address learning with automatic updates
Static and LACP (IEEE 802.3ad) link aggregation (trunks)
Broadcast/multicast storm control
IGMP snooping for limit flooding of IP multicast traffic
IGMP filtering to control multicast traffic for hosts participating in multicast groups
Configurable traffic distribution schemes over trunk links based on source/destination IP or
MAC addresses, or both
Fast port forwarding for rapid STP convergence
Availability and redundancy:
IEEE 802.1D STP for providing L2 redundancy
IEEE 802.1s Multiple STP (MSTP) for topology optimization
IEEE 802.1w Rapid STP (RSTP) (provides rapid STP convergence for critical delay-sensitive
traffic such as voice or video)
Per-VLAN Rapid STP (PVRST) enhancements
Layer 2 Trunk Failover to support active/standby configurations of network adapter teaming
on servers
Hot Links provides basic link redundancy with fast recovery for network topologies that
require Spanning Tree to be turned off
VLAN support:
Port-based and protocol-based VLANs
Up to 4095 VLANs supported per switch (512 active VLANs), with VLAN numbers 1 - 4095
(4095 is used for management connection only)
802.1Q VLAN tagging support on all ports
802.1x with Dynamic VLAN assignment
Private VLANs
Lenovo RackSwitch G7028
Standard
Cable
10GBASE-SR Up to 30 m with fiber optic cables supplied by Lenovo
(see Table 3); up to 300 m with OM3 multimode fiber or
up to 400 m with OM4 multimode fiber
10GBASE-LR
1310 nm single-mode fiber cable up to 10 km
10GSFP+Cu
SFP+ DAC cables up to 7 m (see Table 3)
1000BASE-T
UTP Category 5, 5E, and 6 up to 100 meters
1000BASE-T
UTP Category 5, 5E, and 6 up to 100 meters
1000BASE-SX Up to 30 m with fiber optic cables supplied by Lenovo
(see Table 3); 850 nm multimode fiber cable 50 µ (OM2)
up to 550 m or 62.5 µ (OM1) up to 220 m
1000BASE-LX 1310 nm single-mode fiber cable up to 10 km
UTP Category 5, 5E, and 6 up to 100 meters
DB-9/RJ-45-to-RJ-45 (comes with the switch)
Connector
LC
LC
SFP+
RJ-45
RJ-45
LC
LC
RJ-45
RJ-45
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