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| Each Switch on the hop count will reduce the hop count by one until the value | |
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| reaches zero. The Switch will then discard the BDPU packet and the information |
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| held for the port will age out. The user may set a hop count from 1 to 20. The |
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| default is 20. |
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| TX Hold Count | Used to set the maximum number of Hello packets transmitted per interval. The |
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| count can be specified from 1 to 10. The default is 3. |
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| Forwarding BPDU | This field can be Enabled or Disabled. When Enabled, it allows the forwarding of |
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| STP BPDU packets from other network devices. The default is Enabled. |
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Click Apply to implement changes made.
NOTE: The Hello Time cannot be longer than the Max. Age. Otherwise, a configuration error will occur. Observe the following formulas when setting the above parameters:
Max. Age ≤ 2 x (Forward Delay - 1 second)
Max. Age ≥ 2 x (Hello Time + 1 second)
MST Configuration Table
The following windows allow the user to configure a MSTI instance on the Switch. These settings will uniquely identify a multiple spanning tree instance set on the Switch. The Switch initially possesses one CIST or Common Internal Spanning Tree of which the user may modify the parameters for but cannot change the MSTI ID for, and cannot be deleted. To view the Current MST Configuration Identification window, click Configuration > Spanning Tree > MST Configuration Table:
Figure 7- 16. Current MST Configuration Identification window
The window above contains the following information:
ParameterDescription
Configuration Name
A previously configured name set on the Switch to uniquely identify the MSTI (Multiple Spanning Tree Instance) If a configuration name is not set this field will show the
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