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o priority <0-15> or <0-65535> (default is 32768 and step 8 respectively) -
The device priority - used along with the switch MAC address to determine
which device is the root. If 802.1w or 802.1s STP version is set, then
the range of 0-61440 is divided into steps of 4096. These steps are
numbered from 0 to 15.
o cong-name ASCII-STR (default is switch's MAC address) - The name of
the MST region conguration identier. The name has the maximum length
of 32 characters and is case sensitive. Use "no" form of the command
to reset to the default name. The parameter is congurable in MSTP mode
only.
o cong-revision <0-65535> (default is 0) - The revision number of the MST
region conguration identier. The parameter is congurable in MSTP
mode only.
o max-hops <1-40> (default is 20) - The number of hops in the MST region
before the MST BPDU is discarded and the information held for a port is
aged. This parameter is congurable in MSTP mode only and serves for
the same purpose as the maximum-age and message-age couple used by
legacy single spanning tree bridges.
o instance ... - Allows to create, delete and congure MST instances.
This command is available in MSTP mode only. See the command help for
further details.
o pending ... - Manipulate the pending MSTP conguration. This command
is available in MSTP mode only. See the command help for more details.
o legacy-path-cost - Set default pathcosts to 802.1D (legacy) or 802.1t
(not legacy) values. This command is available in MSTP mode only.
o legacy-mode - Set spanning-tree protocol to operate either in 802.1D
legacy mode or in 802.1s native mode. This command is available in MSTP
mode only. See the command help for more details.
o trap - Enable/disable STP traps. The following traps are generated
as a result of nding an unusual condition on a switch port.
Possible trap names are:
- 'errant-bpdu' signies that an unexpected Spanning Tree BPDU
has been received on a port.
COMMAND STRUCTURE
■ spanning-tree bpdu-protection-timeout < 0 to 65535 > -- Set the time for protected ports to be in
down state after receiving unauthorized BPDUs. (p. 641)
■ spanning-tree clear-debug-counters -- Clear spanning tree debug counters. (p. 642)
■ instance < 0 to 16 > -- Clear spanning tree instance debug counters. (NUMBER) (p. 643)
■ ports -- Clear spanning tree port(s) debug counters. ([ethernet] PORT-LIST) (p. 651)
■ ports -- Clear spanning tree port(s) debug counters. ([ethernet] PORT-LIST) (p. 651)
■ instance < 0 to 16 > -- Clear spanning tree instance debug counters. (NUMBER) (p. 643)
■ [no] spanning-tree config-name -- Set the MST region configuration name (default is switch's
MAC address). (p. 642)
■ config-name -- Specify the configuration name (maximum 32 characters). (ASCII-STR) (p. 642)
■ spanning-tree config-revision < 0 to 65535 > -- Set the MST region configuration revision number
(default is 0). (p. 642)
■ spanning-tree force-version < STP-compatible | RSTP-operation > -- Set Spanning Tree protocol
compatibility mode. (p. 642)
■ spanning-tree force-version < STP-compatible | RSTP-operation | MSTP-operation > -- Set Spanning
Tree protocol compatibility mode. (p. 642)
■ spanning-tree forward-delay < 4 to 30 > -- Set time the switch waits between transitioning from
listening to learning and from learning to forwarding states. (p. 643)
■ spanning-tree hello-time < 1 to 10 > -- Set time between messages transmission when the switch
is root. (p. 643)
■ spanning-tree instance -- Create, delete or configure an MST instance (p. 643)
638© 2009 Hewlett-Packard Development Company, L.P.
spanning-treeCommand Line Interface Reference Guide