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Dell S3048-ON User Manual

Dell S3048-ON
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no disable
Disabling PVST+
To disable PVST+ globally or on an interface, use the following commands.
Disable PVST+ globally.
PROTOCOL PVST mode
disable
Disable PVST+ on an interface, or remove a PVST+ parameter conguration.
INTERFACE mode
no spanning-tree pvst
Example of Viewing PVST+ Conguration
To display your PVST+ conguration, use the show config command from PROTOCOL PVST mode.
Dell_E600(conf-pvst)#show config verbose
!
protocol spanning-tree pvst
no disable
vlan 100 bridge-priority 4096
Inuencing PVST+ Root Selection
As shown in the previous per-VLAN spanning tree illustration, all VLANs use the same forwarding topology because R2 is elected the root,
and all TenGigabitEthernet ports have the same cost.
The following per-VLAN spanning tree illustration changes the bridge priority of each bridge so that a dierent forwarding topology is
generated for each VLAN. This behavior demonstrates how you can use PVST+ to achieve load balancing.
Per-VLAN Spanning Tree Plus (PVST+)
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Dell S3048-ON Specifications

General IconGeneral
Rack Units1U
Form FactorRack-mountable
Input Voltage100-240V AC
Power Supply2 hot-swappable power supplies
ManagementCLI, Web, SNMP
Product TypeSwitch
MAC Address Table Size32K entries
Jumbo Frame SupportYes
Latency< 3 microseconds
Ports48 x 1GbE RJ45, 4 x 10GbE SFP+

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