C
HAPTER
16
| STP Commands
ā 409 ā
MSTI Port Path Cost Priority
---- ---- ---------- --------
CIST 1 Auto 128
STP>
stp port mode This command displays or sets the STA administrative mode for specified
interfaces.
SYNTAX
rstp mode [port-list] [enable | disable]
port-list - A specific port or a range of ports. (Range: 1-28, all for
all ports, or 0 for all link aggregation groups)
enable - Enables STA.
disable - Disables STA.
DEFAULT SETTING
Enabled
EXAMPLE
STP>port mode 19 disable
STP>
stp port edge This command displays or sets an edge port to enable fast forwarding.
SYNTAX
rstp edge [port-list] [enable | disable]
port-list - A specific port or a range of ports. (Range: 1-28, or all)
enable - Enables interface as an edge port.
disable - Disables interface as an edge port.
DEFAULT SETTING
Enabled
COMMAND USAGE
You can enable this option if an interface is attached to a LAN segment that
is at the end of a bridged LAN or to an end node. Since end nodes cannot
cause forwarding loops, they can pass directly through to the spanning tree
forwarding state. Specifying edge ports provides quicker convergence for
devices such as workstations or servers, retains the current forwarding
database to reduce the amount of frame flooding required to rebuild
address tables during re-configuration events, does not cause the spanning
tree to initiate re-configuration when the interface changes state, and also
overcomes other STA-related time-out problems. However, remember that
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