D-Link DGS-3312SR Инструкция по эксплуатации онлайн [87/290] 12494

DGS-3312SR Stackable Gigabit Layer 3 Switch

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.

until the value

reaches zero. The Switch will then discard the BDPU packet and the information

held for the port will age out. The user may set a hop count from 1 to 20. The

Each switch on the hop count will reduce the hop count by one

default is 20.

TX Hold Count (1-10)

um number of Hello packets transmitted per interval. The

co t c

Used to set the maxim

un an be specified from 1 to 10. The default is 3.

Forwarding BPDU

This fie

STP BPDU packets from other network

ld can be Enabled or Disabled. When Enabled, it allows the forwarding of

devices. The default is Enabled.

Click Apply to implement changes made.

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the above parameters:

OTE: The Hello Time cannot be longer than the Max. Age. Otherwise, a

onfiguration error will occur. Observe the following formulas when setti

ax. Age ≤ 2 x (Forward Delay - 1 second)

ax. Age ≥ 2 x (Hello Time + 1 second)