Configuring the ECN330-switch
2391553-KDU 137 365 Uen D 2006-06-16
• Be careful when switching between spanning tree modes.
Changing modes stops all spanning-tree instances for the previous
mode and restarts the system in the new mode, temporarily
disrupting user traffic.
Note: STP and RSTP BPDUs are transmitted as untagged frames, and will
cross any VLAN boundaries.
Command Attributes
Basic Configuration of Global Settings
• Spanning Tree State – Enables/disables STA on the ECN330-switch.
(Default: Disabled)
• Spanning Tree Type – Specifies the type of spanning tree used on the
ECN330-switch:
• STP: Spanning Tree Protocol (IEEE 802.1D); when this option is
selected, the ECN330-switch will use RSTP set to STP forced
compatibility mode).
• RSTP: Rapid Spanning Tree (IEEE 802.1w); RSTP is the default.
• MSTP: Multiple Spanning Tree (IEEE 802.1s)
• Priority – Bridge priority is used in selecting the root device, root port,
and designated port. The device with the highest priority becomes the
STA root device. However, if all devices have the same priority, the
device with the lowest MAC address will then become the root device.
(Note that lower numeric values indicate higher priority.)
• Default: 32768
• Range: 0-61440, in steps of 4096
• Options: 0, 4096, 8192, 12288, 16384, 20480, 24576, 28672,
32768, 36864, 40960, 45056, 49152, 53248, 57344, 61440
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