xStack DES-3528 Series Layer 2 Stackable Fast Ethernet Managed Switch User Manual
101
Max Hops (1-20)
Used to set the number of hops between devices in a spanning tree region before the
BPDU (bridge protocol data unit) packet sent by the Switch will be discarded. Each
switch on the hop count will reduce the hop count by one until the value reaches zero.
The Switch will then discard the BPDU packet and the information held for the port will
age out. The user may set a hop count from 1 to 20. The default is 20.
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)
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