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What is this field?

What is this field?

Created: Feb 4, 2021 06:56:24Latest reply: Jul 31, 2021 05:22:06 316 5 0 0 0
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Hi everyone!

Refer to STP protocol it certains field in the BPDU identifies the root switch. if so BPDU was sent by a switch contains this field, this switch is considered as the root switch. What is this field?


Regards,


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(1) (0)
Laiheang
Created Feb 4, 2021 07:09:29

Hello Panchak!

if the BPDU sent by a switch contains this field, this switch is considered as the root switch so switch is called Root Identifier.

stp

Nice day,

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PanchakS
PanchakS Created Feb 7, 2021 04:25:02 (0) (0)
Thank a lot  

Recommended answer

(1) (0)
Popeye_Wang
Admin Created Feb 4, 2021 07:04:46

Hello,

Root Identifier refer to the Bridge root id. The left-most 2 bytes are Bridge priority, and the right-most 6 bytes are MAC address of Bridge. In MSTP BPDU, this field indicates the ID of the CIST root switch.

Refer to: https://support.huawei.com/hedex/hdx.do?docid=EDOC1000105968&id=EN-US_CONCEPT_0254009138&lang=en


View more
  • x
  • convention：

PanchakS
PanchakS Created Feb 7, 2021 04:24:54 (0) (0)
Thank a lot  
All Answers
(1) (0)
2#
Popeye_Wang
Popeye_Wang Admin Created Feb 4, 2021 07:04:46

Hello,

Root Identifier refer to the Bridge root id. The left-most 2 bytes are Bridge priority, and the right-most 6 bytes are MAC address of Bridge. In MSTP BPDU, this field indicates the ID of the CIST root switch.

Refer to: https://support.huawei.com/hedex/hdx.do?docid=EDOC1000105968&id=EN-US_CONCEPT_0254009138&lang=en


View more
  • x
  • convention：

PanchakS
PanchakS Created Feb 7, 2021 04:24:54 (0) (0)
Thank a lot  
(1) (0)
3#
Laiheang
Laiheang Created Feb 4, 2021 07:09:29

Hello Panchak!

if the BPDU sent by a switch contains this field, this switch is considered as the root switch so switch is called Root Identifier.

stp

Nice day,

View more
  • x
  • convention：

PanchakS
PanchakS Created Feb 7, 2021 04:25:02 (0) (0)
Thank a lot  
(0) (0)
4#
LilStylz237
LilStylz237 Created Jul 31, 2021 05:22:06

very helpful
View more
  • x
  • convention：
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