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Intel® Blade Server Ethernet Switch Module IXM5414E 197
Bridge Identifier
The unique identifier associated with this bridge instance. It consists of the bridge
priority and the bridge’s base MAC address.
Bridge Max Age
The value that all bridges use for Max Age when this bridge is acting as the root: a
BPDU will be discarded when its age exceeds maxage.
Bridge Hello Time
The value that all bridges use for HelloTime when this bridge is acting as the root.
Hellotime determines how often a hello message is broadcast; it cannot be longer
than maxage but should be longer than forwarddelay.
Bridge Forward Delay
The value that all bridges use for Forward Delay when this bridge is acting as the
root. Forwarddelay is used by bridges to ensure that a new network topology has
stabilized before leaving the blocking state. Note that IEEE 802.1D specifies that
the range for this parameter is related to the value of STP Bridge Maximum Age.
Bridge Hold Time
Minimum time between transmission of Configuration Bridge Protocol Data Units
(BPDUs).
Spanning tree Common Spanning Tree (CST) commands
config spanningtree cst port edgeport
Use this command to specify whether a port is an edge port within the Common Spanning Tree
(CST). This will allow the port to transition to Forwarding State without delay. The <port> is the
port to be affected. The edgeport value can either be “true” or “false”.
Default false
Format config spanningtree cst port edgeport <port> <true/false>
config spanningtree cst port pathcost
Use this command to configure the path cost to a new value for the specified port in the CST. The
<port> is the port to be affected. The pathcost value can be specified as a number in the range of 1 to
200000000 or auto. If <auto> is specified, the pathcost value will be set based on Link Speed.
Default auto
Format config spanningtree cst port pathcost <port> <1-200000000/auto>
config spanningtree cst port priority
Use this command to configure the port priority to a new value for use within the CST. The <port> is
the port to be affected. The priority value is a number in the range of 0 to 240 in increments of 16.
Default 128
Format config spanningtree cst port priority <port> <0-240>
show spanningtree cst detailed
Use this command to display STP settings for the CST.
Format show spanningtree cst detailed
Bridge Priority
The value of the first two octets of the eight octet Bridge ID. Valid values are 0 to
61440. Factory default is 32768.