D-Link xStack DGS-3120 Series User Manual

xStack
®
DGS-3120 Series Layer 3 Managed Gigabit Ethernet Switch CLI Reference Guide
924
<value 6-40> - Enter the maximum age value here. This value must be between 6-40.
maxhops - (Optional) Used to restrict the forwarded times of one BPDU. The default value is 20.
<value 6-40> - Enter the maximum hops value here. This value must be between 6 and 40.
hello_time - (Optional) The time interval for sending configuration BPDUs by the Root Bridge.
The default value is 2 seconds. This parameter is for STP and RSTP version. MSTP version
uses per-port hellotime parameter.
<value 1-2> - Enter the hello time value here. This value must be between 1 and 2.
forwarddelay - (Optional) The maximum delay time for one BPDU to be transmitted by a bridge
and received from another bridge. The default value is 15.
<value 4-30> - Enter the maximum delay time here. This value must be between 4 and 30.
txholdcount - (Optional) Used to restrict the numbers of BPDU transmitted in a time interval.
<value 1-10> - Enter the transmitted BPDU restriction value here. This value must be
between 1 and 10.
fbpdu - (Optional) To decide if the bridge will flood STP BPDU when STP functionality is
disabled.
enable - Specify that the bridge will flood STP BPDU when STP functionality is disabled
disable - Specify that the bridge will not flood STP BPDU when STP functionality is disabled
nni_bpdu_addr - (Optional) Used to determine the BPDU protocol address for STP in service
provide site. It can use 802.1d STP address, or 802.1ad service provider STP address.
dot1d - Specify that the NNI BPDU protocol address value will be set to Dot1d.
dot1ad - Specify that the NNI BPDU protocol address value will be set to Dot1ad.
Restrictions
Only Administrator, Operator and Power-User level users can issue this command.
Example
To configure STP:
DGS-3120-24TC:admin#config stp maxage 25
Command: config stp maxage 25
Success.
DGS-3120-24TC:admin#
96-4 show stp
Description
This command is used to show the bridge parameters global settings.
Format
show stp
Parameters
None.
Restrictions
None.

D-Link xStack DGS-3120 Series Specifications

General

MAC Address Table	16K entries
Ports	10/100/1000BASE-T ports
VLANs	4094
Jumbo Frame	Up to 9KB
Power Supply	Internal power supply (depending on model)
Power over Ethernet (PoE)	No
Layer 3 Features	RIP
Quality of Service (QoS)	8 queues per port, DiffServ
Security Features	ACLs
Management	Web-based, CLI, SNMP
Operating Temperature	0°C to 40°C
Storage Temperature	-40°C to 70°C
SFP Ports	Combo 10/100/1000BASE-T/SFP ports and/or dedicated SFP/SFP+ ports (depending on model)