Netgear GS724TS-100NAS User Manual download pdf (Page 96)

96 | Chapter 3: Configuring Switching Information

GS716Tv2 and GS724Tv3 Software Administration Manual

To configure CST settings:

1. Specify values for CST in the appropriate fields:

• Bridge Priority. When switches or bridges are running STP, each is assigned a

priority. After exchanging BPDUs, the switch with the lowest priority value becomes

the root bridge. Specifies the bridge priority value for the Common and Internal

Spanning Tree (CST). The valid range is 0–61440. The bridge priority is a multiple of

4096. If you specify a priority that is not a multiple of 4096, the priority is automatically

set to the next lowest priority that is a multiple of 4096. For example, if the priority is

attempted to be set to any value between 0 and 4095, it will be set to 0. The default

priority is 32768.

• Bridge Max Age (secs). Specifies the bridge maximum age time for the Common

and Internal Spanning Tree (CST), which indicates the amount of time in seconds a

bridge waits before implementing a topological change. The valid range is 6–40, and

the value must be less than or equal to (2 * Bridge Forward Delay) – 1 and greater

than or equal to 2 * (Bridge Hello Time +1). The default value is 20.

• Bridge Hello Time (secs). Specifies the switch Hello time for the Common and

Internal Spanning Tree (CST), which indicates the amount of time in seconds a root

bridge waits between configuration messages. The value is fixed at 2 seconds.

• Bridge Forward Delay (secs). Specifies the switch forward delay time, which

indicates the amount of time in seconds a bridge remains in a listening and learning

state before forwarding packets. The value must be greater or equal to (Bridge Max

Age / 2) + 1. The time range is from 4 seconds to 30 seconds. The default value is 15.

• Spanning Tree Maximum Hops. Specifies the maximum number of bridge hops the

information for a particular CST instance can travel before being discarded. The valid

range is 1–127.

2. Click Cancel to cancel the configuration on the screen and reset the data on the screen to

the latest value of the switch

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Netgear GS724TS-100NAS User Manual Page 96