ProLiant BL p-Class GbE2 Interconnect Switch ISCLI Reference Guide

Configuration Commands 102
Table 107 CIST Bridge Configuration commands
Command Description
spanning-tree mstp cist-
bridge maximum-age {<6-40>}
Configures the CIST bridge maximum age. The maximum age parameter
specifies the maximum time the bridge waits without receiving a configuration
bridge protocol data unit before it reconfigures the MSTP network. The range
is 6 to 40 seconds, and the default is 20 seconds.
This command does not apply to RSTP. See the "Bridge Spanning Tree
configuration" section for more information.
Command mode: Global configuration
spanning-tree mstp cist-
bridge forward-delay {<4-30>}
Configures the CIST bridge forward delay parameter. The forward delay
parameter specifies the amount of time that a bridge port has to wait before it
changes from the listening state to the learning state and from the learning
state to the forwarding state. The range is 4 to 30 seconds, and the default is
15 seconds.
This command does not apply to RSTP. See the "Bridge Spanning Tree
configuration" section for more information.
Command mode: Global configuration
show spanning-tree mstp cist Displays the current CIST bridge configuration.
Command mode: All
CIST port configuration
CIST port parameters are used to modify MRST operation on an individual port basis. CIST parameters do not affect
operation of STP/PVST.
For each port, CIST is turned on by default. Port parameters include:
• Port priority
• Port path cost
• Port Hello time
• Link type
• Edge
• On and off
• Current port configuration
The port option of MRST is turned on by default.
The following table describes the commands used to configure CIST Port Configuration commands.
Table 108 CIST Port Configuration commands
Command Description
spanning-tree mstp cist
interface-priority {<0-240>}
Configures the CIST port priority. The port priority helps determine which
bridge port becomes the designated port. In a network topology that has
multiple bridge ports connected to a single segment, the port with the
lowest port priority becomes the designated port for the segment. The
range is 0 to 240, in steps of 16 (0, 16, 32...), and the default is 128.
Command mode: Interface port
spanning-tree mstp cist path-
cost {<1-200000000>}
Configures the CIST port path cost. The port path cost is used to help
determine the designated port for a segment. Generally speaking, the
faster the port, the lower the path cost. The default is 20000 for Gigabit
ports.
Command mode: Interface port
spanning-tree mstp cist hello
{<1-10>}
Configures the CIST port Hello time. The Hello time specifies how often
the root bridge transmits a configuration bridge protocol data unit
(BPDU). Any bridge that is not the root bridge uses the root bridge Hello
value. The range is 1 to 10 seconds, and the default is 2 seconds.
Command mode: Interface port