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Configuring MSTP 197
This parameter only takes a relative value without units. If it is set too large, too
many packets will be transmitted during every hello time and too many network
resources will be occupied. The default value is recommended.
By default, the max transmission speed on every Ethernet port of the switch is 3.
Configuring a Port as an
Edge Port
An edge port refers to the port not directly connected to any switch, or indirectly
connected to a switch over the connected network.
You can configure a port as an edge port or non-edge port in the following ways.
Configuring in System View
Perform the following configuration in system view.
Configuring in Ethernet Port View
Perform the following configuration in Ethernet port view.
For more about the commands, see the Switch 7750 Command Reference Guide.
After it is configured as an edge port, the port can transit rapidly from a blocking
state to a forwarding state without any delay. In the case that BPDU protection has
not been enabled on the switch, the configured edge port will turn into non-edge
port again when it receives BPDU from the other port. In case BPDU protection is
enabled, the port will be disabled. This parameter is configured the same, and
takes effect on all the STIs.
To reenable a port that was disabled by the stp edged-port disable command,
use the undo shutdown command in port view.
It is better to configure the BPDU protection on the edge port to prevent the
switch from being attacked.
Before BPDU protection is enabled on the switch, the port runs as a non-edge port
when it receives BPDU, even if the user has set it as an edge port.
By default, all the Ethernet ports of the switch have been configured as non-edge
ports.
Table 200 Configure a Port as an Edge Port or a Non-edge Port
Operation Command
Configure a port as an edge port. stp interface interface-list
edged-port enable
Configure a port as a non-edge port. stp interface interface-list
edged-port disable
Restore the default setting, non-edge port, of
the port.
undo stp interface interface-list
edged-port
Table 201 Configure a Port as an Edge Port or a Non-edge Port
Operation Command
Configure a port as an edge port. stp edged-port enable
Configure a port as a non-edge port. stp edged-port disable
Restore the default setting, non-edge port, of
the port.
undo stp edged-port