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xStack DGS-3600 Series Layer 3 Gigabit Ethernet Managed Switch CLI Manual
86
config stp version
Purpose Used to globally set the version of STP on the Switch.
Syntax
config stp version [mstp | rstp | stp]
Description This command allows the user to choose the version of the spanning
tree to be implemented on the Switch.
Parameters mstp – Selecting this parameter will set the Multiple Spanning Tree
Protocol (MSTP) globally on the Switch.
rstp - Selecting this parameter will set the Rapid Spanning Tree Protocol
(RSTP) globally on the Switch.
stp - Selecting this parameter will set the Spanning Tree Protocol (STP)
globally on the Switch.
Restrictions Only administrator-level users can issue this command.
Example usage:
To set the Switch globally for the Multiple Spanning Tree Protocol (MSTP):
DGS-3600:4#config stp version mstp
Command: config stp version mstp
Success.
DGS-3600:4#
config stp
Purpose Used to setup STP, RSTP and MSTP on the Switch.
Syntax
config stp {maxage <value 6-40> | maxhops <value 1-20> | hellotime
<1-10> | forwarddelay <value 4-30> | txholdcount <value 1-10> | fbpdu
[enable | disable] | lbd [enable | disable] | lbd_recover_timer [<value
0> | <value 60-1000000>]}
Description This command is used to setup the Spanning Tree Protocol (STP) for the
entire switch. All commands here will be implemented for the STP version
that is currently set on the Switch.
Parameters
maxage <value 6-40> − This value may be set to ensure that old
information does not endlessly circulate through redundant paths in the
network, preventing the effective propagation of the new information. Set
by the Root Bridge, this value will aid in determining that the Switch has
spanning tree configuration values consistent with other devices on the
bridged LAN. If the value ages out and a BPDU has still not been received
from the Root Bridge, the Switch will start sending its own BPDU to all
other switches for permission to become the Root Bridge. If it turns out
that your switch has the lowest Bridge Identifier, it will become the Root
Bridge. The user may choose a time between 6 and 40 seconds. The
default value is 20.
maxhops <value 1-20> - The number of hops between devices in a
spanning tree region before the BPDU (bridge protocol data unit) packet
sent by the Switch will be discarded. Each switch on the hop count will
reduce the hop count by one until the value reaches zero. The Switch will
then discard the BPDU packet and the information held for the port will
age out. The user may set a hop count from 1 to 20. The default is 20.
hellotime <value 1-10> − The user may set the time interval between
transmission of configuration messages by the root device in STP, or by
the designated router in RSTP, thus stating that the Switch is still
functioning. A time between 1 and 10 seconds may be chosen, with a