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3Com Switch 8800 Configuration Guide Chapter 38 MSTP Region-configuration
38-28
Operation Command
Configure MSTP to automatically detect if the port
is directly connected with the point-to-point link.
stp interface interface-list
point-to-point auto
Configure MSTP to automatically detect if the port
is directly connected with the point-to-point link,
as defaulted.
undo stp interface
interface-list point-to-point
II. Configuration in Ethernet port view
Perform the following configuration in Ethernet port view.
Table 38-23 Configure the port (not) to connect with the point-to-point link
Operation Command
Configure the port to connect with the point-to-point
link.
stp point-to-point
force-true
Configure the port not to connect with the
point-to-point link.
stp point-to-point
force-false
Configure MSTP to automatically detect if the port is
directly connected with the point-to-point link.
stp point-to-point auto
Configure MSTP to automatically detect if the port is
directly connected with the point-to-point link, as
defaulted.
undo stp point-to-point
You can configure the port (not) to connect with the point-to-point link with either of the
earlier-mentioned measures. For the ports connected with the point-to-point link, upon
some port role conditions met, they can transit to forwarding state fast through
transmitting synchronization packet, thereby reducing the unnecessary forwarding
delay. If the parameter is configured as auto mode, MSTP will automatically detect if the
current Ethernet port is connected with the point-to-point link.
Note:
For a link aggregation, only the master port can be configured to connect with the
point-to-point link. If a port in auto-negotiation mode operates in full-duplex mode upon
negotiation, it can be configured to connect with the point-to-point link.
This configuration takes effect on the CIST and all the MSTIs. The settings of a port
whether to connect the point-to-point link will be applied to all the STIs to which the port
belongs. Note that a temporary loop may be redistributed if you configure a port that is
not physically connected with the point-to-point link as connected to such a link by
force.