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Google Keyword Rankings for : bpdu received on protected port
1
Configuring and managing BPDU protection
https://techhub.hpe.com/eginfolib/networking/docs/switches/WB/15-18/5998-8156_wb_2926_atmg/content/ch05s06.html
BPDU protection is a security feature designed to protect the active STP topology by preventing spoofed BPDU packets from entering the STP domain.
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https://techhub.hpe.com/eginfolib/networking/docs/switches/WB/15-18/5998-8156_wb_2926_atmg/content/ch05s06.html
BPDU protection is a security feature designed to protect the active STP topology by preventing spoofed BPDU packets from entering the STP domain.
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2
What is BPDU Protection and How to Configure BPDU ...
https://support.huawei.com/enterprise/en/doc/EDOC1100090433
After BPDU protection is enabled on a switch, if an edge port on the switch receives a BPDU, the switch will shut down the edge port, while keeping the port ...
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https://support.huawei.com/enterprise/en/doc/EDOC1100090433
After BPDU protection is enabled on a switch, if an edge port on the switch receives a BPDU, the switch will shut down the edge port, while keeping the port ...
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3
BPDU Protection for Spanning-Tree Protocols | Junos OS
https://www.juniper.net/documentation/us/en/software/junos/stp-l2/topics/topic-map/spanning-tree-bpdu-protection.html
With BPDU protection, when a BPDU is received on an edge port in an EVPN-VXLAN environment, the edge port is disabled and stops forwarding all traffic.
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https://www.juniper.net/documentation/us/en/software/junos/stp-l2/topics/topic-map/spanning-tree-bpdu-protection.html
With BPDU protection, when a BPDU is received on an edge port in an EVPN-VXLAN environment, the edge port is disabled and stops forwarding all traffic.
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4
BPDU Protection on HP Pro Curve Switches - Networking
https://www.ccexpert.us/networking/bpdu-protection-on-hp-procurve-switches.html
“BPDU protection is a security feature designed to protect the active STP topology by preventing spoofed BPDU packets from entering the STP ...
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https://www.ccexpert.us/networking/bpdu-protection-on-hp-procurve-switches.html
“BPDU protection is a security feature designed to protect the active STP topology by preventing spoofed BPDU packets from entering the STP ...
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5
What is BPDU Guard and How to Configure BPDU Guard?
https://www.geeksforgeeks.org/what-is-bpdu-guard-and-how-to-configure-bpdu-guard/
The BPDU guard can be enabled or disabled per port. When a BPDU is received on the port, the BPDU guard disables it.
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https://www.geeksforgeeks.org/what-is-bpdu-guard-and-how-to-configure-bpdu-guard/
The BPDU guard can be enabled or disabled per port. When a BPDU is received on the port, the BPDU guard disables it.
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6
Excessive BDPU's from Win 10 Workstaions and Laptops
https://community.spiceworks.com/topic/2318789-excessive-bdpu-s-from-win-10-workstaions-and-laptops
This might help to illustrate the difference.Scenario 1: Default port setup on an STP enabled switch and I plug in another switch:I 05/21/21 17:45:27 ...
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https://community.spiceworks.com/topic/2318789-excessive-bdpu-s-from-win-10-workstaions-and-laptops
This might help to illustrate the difference.Scenario 1: Default port setup on an STP enabled switch and I plug in another switch:I 05/21/21 17:45:27 ...
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7
Viewing Bpdu Protection Status; Re-Enabling A Port Blocked ...
https://www.manualslib.com/manual/1658357/Hewlett-Packard-Enterprise-Aruba-2530.html?page=153
Syntax: Show Spanning-Tree Bpdu-Protection [Port-List] Displays A Summary Listing Of Ports ... seconds after receiving a BPDU, you would use this command:.
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https://www.manualslib.com/manual/1658357/Hewlett-Packard-Enterprise-Aruba-2530.html?page=153
Syntax: Show Spanning-Tree Bpdu-Protection [Port-List] Displays A Summary Listing Of Ports ... seconds after receiving a BPDU, you would use this command:.
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8
Configuring Optional Spanning-Tree Features [Support] - Cisco
https://www.cisco.com/en/US/docs/switches/metro/me3600x_3800x/trash/swstpopt.html
You should globally enable BPDU filtering on a switch so that hosts connected to these ports do not receive BPDUs. If a BPDU is received on a Port Fast-enabled ...
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https://www.cisco.com/en/US/docs/switches/metro/me3600x_3800x/trash/swstpopt.html
You should globally enable BPDU filtering on a switch so that hosts connected to these ports do not receive BPDUs. If a BPDU is received on a Port Fast-enabled ...
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9
BPDU guard - Commscope Technical Content Portal
https://docs.commscope.com/bundle/fastiron-08090-l2guide/page/GUID-8BA224A2-0D22-4638-B8A3-D09CBCE2EC36.html
The BPDU guard, an enhancement to STP, removes a node that reflects BPDUs back in the network. It enforces the STP domain borders and keeps the ...
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https://docs.commscope.com/bundle/fastiron-08090-l2guide/page/GUID-8BA224A2-0D22-4638-B8A3-D09CBCE2EC36.html
The BPDU guard, an enhancement to STP, removes a node that reflects BPDUs back in the network. It enforces the STP domain borders and keeps the ...
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10
Enabling BPDU protection by port
https://docs.ruckuswireless.com/fastiron/08.0.60/fastiron-08060-l2guide/GUID-142B1F9E-DBE4-4D64-B52C-52558E6FFB8B.html
You can enable STP BPDU guard on individual interfaces. The feature is disabled by default. To enable STP BPDU guard on a specific port, enter a command such as ...
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https://docs.ruckuswireless.com/fastiron/08.0.60/fastiron-08060-l2guide/GUID-142B1F9E-DBE4-4D64-B52C-52558E6FFB8B.html
You can enable STP BPDU guard on individual interfaces. The feature is disabled by default. To enable STP BPDU guard on a specific port, enter a command such as ...
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11
Spanning Tree Protocol - Fortinet Documentation Library
https://docs.fortinet.com/document/fortiswitch/6.4.2/administration-guide/364614/spanning-tree-protocol
Similar to root guard, BPDU guard protects the designed network topology. When BPDU guard is enabled on STP edge ports, any BPDUs received cause the ports to go ...
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https://docs.fortinet.com/document/fortiswitch/6.4.2/administration-guide/364614/spanning-tree-protocol
Similar to root guard, BPDU guard protects the designed network topology. When BPDU guard is enabled on STP edge ports, any BPDUs received cause the ports to go ...
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12
How to Protect from Spanning Tree and Loops in the Access ...
https://www.flomain.de/2018/01/protect-from-spanning-tree-loops-access-area/
As opposed to BPDU filtering, BPDU protection protects against incoming BPDU's. If a BPDU is received, the port is disabled.
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https://www.flomain.de/2018/01/protect-from-spanning-tree-loops-access-area/
As opposed to BPDU filtering, BPDU protection protects against incoming BPDU's. If a BPDU is received, the port is disabled.
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13
Additional STP Protection Mechanisms > Advanced STP Tuning
https://www.ciscopress.com/articles/article.asp?p=2995351&seqNum=3
Loop guard places the original port in an ErrDisabled state while BPDUs are not being received. When BPDU transmission starts again on that ...
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https://www.ciscopress.com/articles/article.asp?p=2995351&seqNum=3
Loop guard places the original port in an ErrDisabled state while BPDUs are not being received. When BPDU transmission starts again on that ...
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14
STP: Protection Features - JMCristobal
https://jmcristobal.com/2021/03/25/stp-features-de-proteccion/
If a higher BPDU is received, the port goes to a root-inconsistent state. This mechanism prevents a new switch added to the network or ...
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https://jmcristobal.com/2021/03/25/stp-features-de-proteccion/
If a higher BPDU is received, the port goes to a root-inconsistent state. This mechanism prevents a new switch added to the network or ...
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15
03-Layer 2—LAN Switching Command Reference - New H3C
http://www.h3c.com/en/Support/Resource_Center/Technical_Documents/Switches/Catalog/S6800/S6800/Command/Command_References/H3C_S6800_CR-Release_26xx-6W103/03/201905/1176831_294551_0.htm
FORWARDING—The port can receive and send BPDUs and also forward user traffic. ... Effective spanning tree protection feature on the port: · ROOT—Root guard.
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http://www.h3c.com/en/Support/Resource_Center/Technical_Documents/Switches/Catalog/S6800/S6800/Command/Command_References/H3C_S6800_CR-Release_26xx-6W103/03/201905/1176831_294551_0.htm
FORWARDING—The port can receive and send BPDUs and also forward user traffic. ... Effective spanning tree protection feature on the port: · ROOT—Root guard.
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16
Understanding the BPDU Filter feature in vSphere (2047822)
https://kb.vmware.com/s/article/2047822
When a link on a physical switch port goes up, the STP protocol starts its calculation and BPDU exchange to determine if the port should be in ...
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https://kb.vmware.com/s/article/2047822
When a link on a physical switch port goes up, the STP protocol starts its calculation and BPDU exchange to determine if the port should be in ...
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17
What is Protected Port - IPCisco
https://ipcisco.com/lesson/what-is-protected-port/
Think about the above topology. Here, when we configure the server ports on the switch as “Protected Port”, these port can not send /receive data traffic ...
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https://ipcisco.com/lesson/what-is-protected-port/
Think about the above topology. Here, when we configure the server ports on the switch as “Protected Port”, these port can not send /receive data traffic ...
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18
PoE+ Series Switches STP Optional Characteristic Configuration
https://img-en.fs.com/file/user_manual/stp-optional-characteristic-configuration.pdf
1.2.10 Configuring Address Table Aging Protection. ... Port Fast receives BPDU, BPDU Guard will protect it passively. In different STP modes, BPDU Guard ...
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https://img-en.fs.com/file/user_manual/stp-optional-characteristic-configuration.pdf
1.2.10 Configuring Address Table Aging Protection. ... Port Fast receives BPDU, BPDU Guard will protect it passively. In different STP modes, BPDU Guard ...
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19
Configuring Spanning Tree - TP-Link
https://www.tp-link.com/us/configuration-guides/configuring_spanning_tree/?configurationId=18218
BPDU Protect function is used to prevent the port from receiving BPUDs. It is recommended to enable this function on edge ports. Normally edge ports do not ...
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https://www.tp-link.com/us/configuration-guides/configuring_spanning_tree/?configurationId=18218
BPDU Protect function is used to prevent the port from receiving BPUDs. It is recommended to enable this function on edge ports. Normally edge ports do not ...
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20
Spanning Tree BPDUGuard and Errdisable Interface ...
https://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/1169-spanning-tree-protocol-bpdu-guard-deployment-configuration.html
BPDU Guard is an STP enhancement which, when enabled, will place a port in the errdisable mode when it receives any BPDU packet from that port.
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https://www.firewall.cx/cisco-technical-knowledgebase/cisco-switches/1169-spanning-tree-protocol-bpdu-guard-deployment-configuration.html
BPDU Guard is an STP enhancement which, when enabled, will place a port in the errdisable mode when it receives any BPDU packet from that port.
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21
BPDU Protection Mechanisms : BPDU Guard & Filter - Quizlet
https://quizlet.com/97971010/bpdu-protection-mechanisms-bpdu-guard-filter-flash-cards/
err-disable. What does BPDU guard do to the port when a BPDU is detected? BPDU Filter. What feature causes an interface not to send or receive BPDUs?
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https://quizlet.com/97971010/bpdu-protection-mechanisms-bpdu-guard-filter-flash-cards/
err-disable. What does BPDU guard do to the port when a BPDU is detected? BPDU Filter. What feature causes an interface not to send or receive BPDUs?
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22
Securing the Local Area Network
http://vapenik.s.cnl.sk/sec/CCNA%20Security%20prednasky/en_CCNAS_v11_Ch06.pdf
switchport port-security violation {protect | restrict | shutdown} ... It protects a switched network from receiving BPDUs on ports that should not.
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http://vapenik.s.cnl.sk/sec/CCNA%20Security%20prednasky/en_CCNAS_v11_Ch06.pdf
switchport port-security violation {protect | restrict | shutdown} ... It protects a switched network from receiving BPDUs on ports that should not.
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23
Spanning Tree Feature & Interop Guide
https://higherlogicdownload.s3.amazonaws.com/HPE/MigratedAssets/STP%20Feature%20Interop%20Guide-%20ArubaOS%20%20and%20%20Cisco%20IOS%20.pdf
BPDU protection would be applied to edge ports connected to end user devices that do not run. STP. If STP BPDU packets are received on a protected port, ...
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https://higherlogicdownload.s3.amazonaws.com/HPE/MigratedAssets/STP%20Feature%20Interop%20Guide-%20ArubaOS%20%20and%20%20Cisco%20IOS%20.pdf
BPDU protection would be applied to edge ports connected to end user devices that do not run. STP. If STP BPDU packets are received on a protected port, ...
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24
BPDU Spanning Tree alerts - #2 by rhinoau - Help
https://community.librenms.org/t/bpdu-spanning-tree-alerts/19899/2
00840 stp: port 9 disabled for 300 seconds - BPDU received on protected port. In libreNMS, this correspond to : ifAdminStatus: up → down
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https://community.librenms.org/t/bpdu-spanning-tree-alerts/19899/2
00840 stp: port 9 disabled for 300 seconds - BPDU received on protected port. In libreNMS, this correspond to : ifAdminStatus: up → down
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25
Spanning-Tree BPDUFilter - NetworkLessons.com
https://networklessons.com/cisco/ccie-routing-switching/spanning-tree-bpdufilter
Global: if you enable BPDUfilter globally then any interface with portfast enabled will not send or receive any BPDUs. When you receive a BPDU on a portfast ...
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https://networklessons.com/cisco/ccie-routing-switching/spanning-tree-bpdufilter
Global: if you enable BPDUfilter globally then any interface with portfast enabled will not send or receive any BPDUs. When you receive a BPDU on a portfast ...
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26
Feature request: Implement a timeout for BPDU protection - Dell
https://www.dell.com/community/Networking-General/Feature-request-Implement-a-timeout-for-BPDU-protection/td-p/5083760
As STP packet are the first packages to be send or received on a port, even before starting forwarding any traffic, this save. The user just see ...
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https://www.dell.com/community/Networking-General/Feature-request-Implement-a-timeout-for-BPDU-protection/td-p/5083760
As STP packet are the first packages to be send or received on a port, even before starting forwarding any traffic, this save. The user just see ...
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27
What is BPDU Guard and how to configure ... - OmniSecu.com
https://www.omnisecu.com/ccna-security/what-is-bpdu-guard-and-how-to-configure-bpdu-guard-in-cisco-switches.php
BPDU Guard feature can be enabled globally at Global configuration mode or per interface at Interface configuration mode. When a BPDU Guard enabled port receive ...
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https://www.omnisecu.com/ccna-security/what-is-bpdu-guard-and-how-to-configure-bpdu-guard-in-cisco-switches.php
BPDU Guard feature can be enabled globally at Global configuration mode or per interface at Interface configuration mode. When a BPDU Guard enabled port receive ...
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28
PVST Protection and Filtering - 5400ZL - manualsdir.com
https://www.manualsdir.com/manuals/92573/hp-5400zl-6600.html?page=156
HP 5400ZL User Manual • Pvst protection and filtering, Pvst protection and ... received on that port, the interface on which the PVST BPDU arrived is shut
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https://www.manualsdir.com/manuals/92573/hp-5400zl-6600.html?page=156
HP 5400ZL User Manual • Pvst protection and filtering, Pvst protection and ... received on that port, the interface on which the PVST BPDU arrived is shut
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29
EOS 4.29.0F - Spanning Tree Protocol - Arista
https://www.arista.com/en/um-eos/eos-spanning-tree-protocol
An edge port becomes a normal port when it receives a BPDU. ... Loop protection is configured and enabled per VLAN, but individual ports in a VLAN can be ...
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https://www.arista.com/en/um-eos/eos-spanning-tree-protocol
An edge port becomes a normal port when it receives a BPDU. ... Loop protection is configured and enabled per VLAN, but individual ports in a VLAN can be ...
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30
Protecting with a BPDU guard - CCNA Security 210 ... - O'Reilly
https://www.oreilly.com/library/view/ccna-security-210-260/9781787128873/ec27cfcd-b38d-46ac-a5dc-4148e41c6cc8.xhtml
Therefore if any port that has the BPDU guard enabled in it receives any BPDU, the port is disabled thereby shutting the attacker down. Configuring a BPDU guard ...
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https://www.oreilly.com/library/view/ccna-security-210-260/9781787128873/ec27cfcd-b38d-46ac-a5dc-4148e41c6cc8.xhtml
Therefore if any port that has the BPDU guard enabled in it receives any BPDU, the port is disabled thereby shutting the attacker down. Configuring a BPDU guard ...
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31
CCNP Study Notes – Protecting The Spanning Tree Protocol ...
https://notthenetwork.me/blog/2012/03/04/ccnp-study-notes-protecting-the-spanning-tree-protocol-topology/
BPDU's suddenly stop being received on a port that should be receiving them – a switch can then make incorrect assumptions about the topology ...
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https://notthenetwork.me/blog/2012/03/04/ccnp-study-notes-protecting-the-spanning-tree-protocol-topology/
BPDU's suddenly stop being received on a port that should be receiving them – a switch can then make incorrect assumptions about the topology ...
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32
Switches ArubaOS – BPDU Protection – - Comutadores
https://www.comutadores.com.br/switches-arubaos-bpdu-protection/
W 11/05/22 18:12:34 00840 stp: port A4 disabled - BPDU received on protected port. I 11/05/22 18:12:34 00898 ports: BPDU protect(5) has ...
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https://www.comutadores.com.br/switches-arubaos-bpdu-protection/
W 11/05/22 18:12:34 00840 stp: port A4 disabled - BPDU received on protected port. I 11/05/22 18:12:34 00898 ports: BPDU protect(5) has ...
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33
Spanning Tree implementations on HP ProCurve switches
https://integratingit.wordpress.com/2013/04/17/spanning-tree-configuration-on-hp-procurve-switches/
spanning-tree 1-24 bpdu-protection. Disable the port(s) if a BPDU is received when a device that supports spanning tree such as another ...
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https://integratingit.wordpress.com/2013/04/17/spanning-tree-configuration-on-hp-procurve-switches/
spanning-tree 1-24 bpdu-protection. Disable the port(s) if a BPDU is received when a device that supports spanning tree such as another ...
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34
STP Security Features on Switches - Wix.com
https://juantron.wixsite.com/my-networking-online/stp-security-features
While BPDUs are received, the port is allowed to behave normally. When BPDUs go missing, Loop Guard moves the port into the loop-inconsistent ...
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https://juantron.wixsite.com/my-networking-online/stp-security-features
While BPDUs are received, the port is allowed to behave normally. When BPDUs go missing, Loop Guard moves the port into the loop-inconsistent ...
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35
BPDU Filtering Vs BPDU Guard – What is the difference?
https://aitaseller.wordpress.com/2010/01/17/bpdu-filter-vs-bpdu-guard-what-is-the-difference/
These 2 features provide protection against spanning-tree loops being created on ports where PortFast has been enabled. A device attached to a ...
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https://aitaseller.wordpress.com/2010/01/17/bpdu-filter-vs-bpdu-guard-what-is-the-difference/
These 2 features provide protection against spanning-tree loops being created on ports where PortFast has been enabled. A device attached to a ...
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36
Portfast / BPDUguard question : r/networking - Reddit
https://www.reddit.com/r/networking/comments/1sbncw/portfast_bpduguard_question/
BPDUguard: When enabled on a port, it puts a port into the err-disabled mode if a BPDU is received (used on edge ALS). Portfast: Allows a port to go ...
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https://www.reddit.com/r/networking/comments/1sbncw/portfast_bpduguard_question/
BPDUguard: When enabled on a port, it puts a port into the err-disabled mode if a BPDU is received (used on edge ALS). Portfast: Allows a port to go ...
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37
The HP FlexFabric Switch must have BPDU Guard enabled on ...
https://www.stigviewer.com/stig/hp_flexfabric_switch_l2s/2018-12-21/finding/V-66065
The devices behind the ports that have STP PortFast enabled are not able to influence the STP topology. At the reception of BPDUs, the BPDU ...
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https://www.stigviewer.com/stig/hp_flexfabric_switch_l2s/2018-12-21/finding/V-66065
The devices behind the ports that have STP PortFast enabled are not able to influence the STP topology. At the reception of BPDUs, the BPDU ...
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38
Spanning Tree Protocol exploitation - WhiteWinterWolf.com
https://www.whitewinterwolf.com/posts/2017/10/16/spanning-tree-protocol-exploitation/
BPDU Guard accompanies PortFast by actively checking that no BPDU (the packets carrying STP messages) are received on such ports.
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https://www.whitewinterwolf.com/posts/2017/10/16/spanning-tree-protocol-exploitation/
BPDU Guard accompanies PortFast by actively checking that no BPDU (the packets carrying STP messages) are received on such ports.
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39
Configuring BPDU Guard & Filtering - mrn-cciew
https://mrncciew.com/2013/04/19/configuring-bpdu-guard-filtering/
BPDU Guard: On PortFast-enabled ports, BPDU Guard provides the protection against Layer 2 loops that STP cannot provide when STP PortFast is ...
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https://mrncciew.com/2013/04/19/configuring-bpdu-guard-filtering/
BPDU Guard: On PortFast-enabled ports, BPDU Guard provides the protection against Layer 2 loops that STP cannot provide when STP PortFast is ...
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40
Protecting and Optimizing STP - LinkedIn
https://www.linkedin.com/pulse/protecting-optimizing-stp-vamshi-kanmanthareddy
A portFast enabled port sends BPDUs but it expects not to receive any back; If a BPDU is received, PortFast is disabled on the port until the ...
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https://www.linkedin.com/pulse/protecting-optimizing-stp-vamshi-kanmanthareddy
A portFast enabled port sends BPDUs but it expects not to receive any back; If a BPDU is received, PortFast is disabled on the port until the ...
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41
STP BPDU filtering broken on EdgeSwitch 1.9.0?
https://community.ui.com/questions/STP-BPDU-filtering-broken-on-EdgeSwitch-1-9-0/4d9054ae-3251-4572-bdda-4bdf18834886
697421 STP BPDUs Received. ... 0 RSTP BPDUs Received. ... With "spanning-tree bpdufilter" on the port, the switch is still sending STP BPDU's.
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https://community.ui.com/questions/STP-BPDU-filtering-broken-on-EdgeSwitch-1-9-0/4d9054ae-3251-4572-bdda-4bdf18834886
697421 STP BPDUs Received. ... 0 RSTP BPDUs Received. ... With "spanning-tree bpdufilter" on the port, the switch is still sending STP BPDU's.
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42
How do I configure a port as STP "non-edge" on Juniper EX ...
https://networkengineering.stackexchange.com/questions/1205/how-do-i-configure-a-port-as-stp-non-edge-on-juniper-ex-switches
This is fine unless you want another switch to take over as root bridge. In that case you have port(s) that suddenly start receiving BPDUs (when ...
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https://networkengineering.stackexchange.com/questions/1205/how-do-i-configure-a-port-as-stp-non-edge-on-juniper-ex-switches
This is fine unless you want another switch to take over as root bridge. In that case you have port(s) that suddenly start receiving BPDUs (when ...
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43
Protected Ports Explained - CBT Nuggets
https://www.cbtnuggets.com/blog/technology/networking/protected-ports-explained
Quick Definition: A protected port is a port on a switch that is configured not to forward any traffic to any other port that's also a protected ...
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https://www.cbtnuggets.com/blog/technology/networking/protected-ports-explained
Quick Definition: A protected port is a port on a switch that is configured not to forward any traffic to any other port that's also a protected ...
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44
Configuring Auto Recovery of a Disabled Port
https://techdocassets.pluribusnetworks.com/netvisor/nv1_611/CG/ConfiguringAutoRecoveryofaDisab1.html
For example, if a port receives BPDU messages on an edge port, Netvisor ONE disables the port because receiving BPDUs on a edge port becomes a security ...
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https://techdocassets.pluribusnetworks.com/netvisor/nv1_611/CG/ConfiguringAutoRecoveryofaDisab1.html
For example, if a port receives BPDU messages on an edge port, Netvisor ONE disables the port because receiving BPDUs on a edge port becomes a security ...
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45
Security - BPDU Guard, BPDU Filter, Root Guard ... - YouTube
https://www.youtube.com/watch?v=yKXP15MWpy0
Rob Riker's Tech Channel
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https://www.youtube.com/watch?v=yKXP15MWpy0
Rob Riker's Tech Channel
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46
Solution: XOS switch Not Blocking on All Ports When a Loop is ...
https://extremeportal.force.com/ExtrArticleDetail?an=000057766
Loopprotect will only keep the port in Listening IF it has not received a BPDU from the designated port of a segment due to congestion or ...
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https://extremeportal.force.com/ExtrArticleDetail?an=000057766
Loopprotect will only keep the port in Listening IF it has not received a BPDU from the designated port of a segment due to congestion or ...
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47
Protecting Against an STP Layer 2 Attack
https://howdoesinternetwork.com/2012/stop-stp-attack
Because these PortFast ports are connected to end-user devices, they should never receive a BPDU (BPDU is sent only by switches). Therefore, if ...
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https://howdoesinternetwork.com/2012/stop-stp-attack
Because these PortFast ports are connected to end-user devices, they should never receive a BPDU (BPDU is sent only by switches). Therefore, if ...
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48
What is the difference between BPDU Guard and BPDU Filter ?
https://specialties.bayt.com/fr/specialties/q/315072/what-is-the-difference-between-bpdu-guard-and-bpdu-filter/
When PortFast is enabled on a port, the port will send out BPDUs and will accept and process received BPDUs. The BPDU Guard feature prevents the port from ...
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https://specialties.bayt.com/fr/specialties/q/315072/what-is-the-difference-between-bpdu-guard-and-bpdu-filter/
When PortFast is enabled on a port, the port will send out BPDUs and will accept and process received BPDUs. The BPDU Guard feature prevents the port from ...
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49
Spanning Tree and Rapid Spanning Tree | Cumulus Linux 4.2
https://docs.nvidia.com/networking-ethernet-software/cumulus-linux-42/Layer-2/Spanning-Tree-and-Rapid-Spanning-Tree/
When a BPDU is received on a port configured with PortAutoEdge, the port ceases ... You can configure BPDU guard to protect the spanning tree topology from ...
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https://docs.nvidia.com/networking-ethernet-software/cumulus-linux-42/Layer-2/Spanning-Tree-and-Rapid-Spanning-Tree/
When a BPDU is received on a port configured with PortAutoEdge, the port ceases ... You can configure BPDU guard to protect the spanning tree topology from ...
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50
Spanning Tree Protection review - Das Blinken Lichten
https://www.dasblinkenlichten.com/spanning-tree-protection-review/
We can see that despite receiving BPDUs, the port keeps it's portfast status. I bring this up because you can also configure the BPDU filter and ...
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https://www.dasblinkenlichten.com/spanning-tree-protection-review/
We can see that despite receiving BPDUs, the port keeps it's portfast status. I bring this up because you can also configure the BPDU filter and ...
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51
BPDU protection - Networking Technical Note
http://mynetworknote.blogspot.com/2010/07/bpdu-protection.html
Enable BPDU protection on switch interfaces connected to user devices or on interfaces on which no BPDUs are expected, such as edge ports. If a ...
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http://mynetworknote.blogspot.com/2010/07/bpdu-protection.html
Enable BPDU protection on switch interfaces connected to user devices or on interfaces on which no BPDUs are expected, such as edge ports. If a ...
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52
Configure the BPDU Guard - Sun Ethernet Fabric Operating ...
https://docs.oracle.com/cd/E19285-01/html/E24664/z4002d7a1417779.html
You can enable or disable the BPDU guard on per port basis. The BPDU guard disables the port upon the BPDU reception on the port. The disablement effectively ...
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https://docs.oracle.com/cd/E19285-01/html/E24664/z4002d7a1417779.html
You can enable or disable the BPDU guard on per port basis. The BPDU guard disables the port upon the BPDU reception on the port. The disablement effectively ...
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53
protecting STP on Huawei switches - Labnario
http://labnario.com/protecting-stp-on-huawei-switches/
Recovery is automatic when port starts receiving STP BPDUs, no additional administrative intervention is required. By default Loop Protection ...
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http://labnario.com/protecting-stp-on-huawei-switches/
Recovery is automatic when port starts receiving STP BPDUs, no additional administrative intervention is required. By default Loop Protection ...
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54
How to protect against BPDU attack - CiscoZine
https://www.ciscozine.com/how-to-protect-against-bpdu-attack/
Normally, root bridge ports are all designated ports, unless two or more ports of the root bridge are connected together. If the bridge receives ...
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https://www.ciscozine.com/how-to-protect-against-bpdu-attack/
Normally, root bridge ports are all designated ports, unless two or more ports of the root bridge are connected together. If the bridge receives ...
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55
Clarity : BPDU Guard vs BPDU Filter - Network Inferno
https://networkinferno.net/clarity-bpdu-guard-vs-bpdu-filter
BPDU Guard is designed to protect your switching network. Remember that a Port-fast port is designed to be connected to a device where ...
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https://networkinferno.net/clarity-bpdu-guard-vs-bpdu-filter
BPDU Guard is designed to protect your switching network. Remember that a Port-fast port is designed to be connected to a device where ...
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56
BPDU Guard, Root Guard + Port Security
https://layeredsecurity.wordpress.com/2017/03/28/bpdu-guard-root-guard-port-security/
So BPDU Guard is used to protect the switch from an attacker that connects into the network via a switch port. Host port (Access port) ...
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https://layeredsecurity.wordpress.com/2017/03/28/bpdu-guard-root-guard-port-security/
So BPDU Guard is used to protect the switch from an attacker that connects into the network via a switch port. Host port (Access port) ...
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57
Example: Configuring BPDU Protection on STP | Manualzz
https://manualzz.com/doc/23750012/example--configuring-bpdu-protection-on-stp
Configure BPDU protection on interfaces to prevent them from receiving BPDUs that ... and interface ge-0/0/6 as edge ports and to configure BPDU protection.
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https://manualzz.com/doc/23750012/example--configuring-bpdu-protection-on-stp
Configure BPDU protection on interfaces to prevent them from receiving BPDUs that ... and interface ge-0/0/6 as edge ports and to configure BPDU protection.
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58
Настройка BPDU Protection на коммутаторе D-Link
https://computronium.livejournal.com/3654.html
Команда config bpdu_protection ports [<portlist> | all ] {state [enable | disable] | mode [ drop | block | shutdown]} используется для настройки ...
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https://computronium.livejournal.com/3654.html
Команда config bpdu_protection ports [<portlist> | all ] {state [enable | disable] | mode [ drop | block | shutdown]} используется для настройки ...
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59
[VIDEO] Advanced STP Features: BPDU Guard
https://www.networkplayroom.com/2021/04/video-advanced-stp-features-bpdu-guard.html
BPDU Guard prevents a port from receiving BPDUs. If the port still receives a BPDU, it is put in the error-disabled state as a protective ...
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https://www.networkplayroom.com/2021/04/video-advanced-stp-features-bpdu-guard.html
BPDU Guard prevents a port from receiving BPDUs. If the port still receives a BPDU, it is put in the error-disabled state as a protective ...
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60
STP Portfast, BPDU Guard, Root Guard Configuration
https://study-ccna.com/spanning-tree-portfast-bpdu-guard-root-guard/
In a correct configuration, PortFast-configured ports do not receive BPDU. If a PortFast-configured interface receives a Bridge Protocol Data Unit (BPDU), a ...
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https://study-ccna.com/spanning-tree-portfast-bpdu-guard-root-guard/
In a correct configuration, PortFast-configured ports do not receive BPDU. If a PortFast-configured interface receives a Bridge Protocol Data Unit (BPDU), a ...
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61
CCIE Routing and Switching V5.0 Official Cert Guide
https://books.google.com/books?id=NoY7BAAAQBAJ&pg=PA170&lpg=PA170&dq=bpdu+received+on+protected+port&source=bl&ots=3e5BcXatky&sig=ACfU3U0f06s1Ev7QE6XZoNsD47aj2wPY3w&hl=en&sa=X&ved=2ahUKEwjPgsaSnMj7AhWRkIkEHaEDDoYQ6AF6BQiMAhAD
A port protected by Root Guard is put in a root-inconsistent state if it ... Port VLAN ID (*PVID_Inc) PVST+ BPDUs are received in a different VLAN than they ...
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https://books.google.com/books?id=NoY7BAAAQBAJ&pg=PA170&lpg=PA170&dq=bpdu+received+on+protected+port&source=bl&ots=3e5BcXatky&sig=ACfU3U0f06s1Ev7QE6XZoNsD47aj2wPY3w&hl=en&sa=X&ved=2ahUKEwjPgsaSnMj7AhWRkIkEHaEDDoYQ6AF6BQiMAhAD
A port protected by Root Guard is put in a root-inconsistent state if it ... Port VLAN ID (*PVID_Inc) PVST+ BPDUs are received in a different VLAN than they ...
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62
IBM b-type Data Center Networking: Design and Best Practices ...
https://books.google.com/books?id=QVbAAgAAQBAJ&pg=PA337&lpg=PA337&dq=bpdu+received+on+protected+port&source=bl&ots=nZe7pyUYE5&sig=ACfU3U301YX7l8yLgnaE2hlurL-cgkL7tw&hl=en&sa=X&ved=2ahUKEwjPgsaSnMj7AhWRkIkEHaEDDoYQ6AF6BQiIAhAD
However, if the protected port receives a superior Bridge Protocol Data Units (BPDU) packet it will block the port and send SNMP and Syslog alerts.
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https://books.google.com/books?id=QVbAAgAAQBAJ&pg=PA337&lpg=PA337&dq=bpdu+received+on+protected+port&source=bl&ots=nZe7pyUYE5&sig=ACfU3U301YX7l8yLgnaE2hlurL-cgkL7tw&hl=en&sa=X&ved=2ahUKEwjPgsaSnMj7AhWRkIkEHaEDDoYQ6AF6BQiIAhAD
However, if the protected port receives a superior Bridge Protocol Data Units (BPDU) packet it will block the port and send SNMP and Syslog alerts.
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63
Spill valve function. Several hydraulic directional control ...
https://www.explore-tea.com/wgvlh/spill-valve-function.html
Spill and fill ports are located _____ degrees apart. ... a valve body having a spill inlet port for receiving the pressurized fluid and a spill outlet port ...
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https://www.explore-tea.com/wgvlh/spill-valve-function.html
Spill and fill ports are located _____ degrees apart. ... a valve body having a spill inlet port for receiving the pressurized fluid and a spill outlet port ...
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64
What happens to a switch port when a BPDU is received on it ...
https://mortonpsychotherapy.com/articles/what-happens-to-a-switch-port-when-a-bpdu-is-received-on-it-when-bpdu-guard-is-enabled-on-that-port
The BPDU guard feature provides a secure response to invalid configurations because you must manually put the interface back in service. Use the BPDU guard ...
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https://mortonpsychotherapy.com/articles/what-happens-to-a-switch-port-when-a-bpdu-is-received-on-it-when-bpdu-guard-is-enabled-on-that-port
The BPDU guard feature provides a secure response to invalid configurations because you must manually put the interface back in service. Use the BPDU guard ...
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65
PortFast and BPDU Guard - CCNA TUTORIALS
https://ccnatutorials.in/enhanced-technology-of-switch/portfast-and-bpdu-guard/
BPDU Guard allow to block receiving the BPDUs on a particular port. When a port receive the BPDU it will converts to non-PortFast mode. So it is ...
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https://ccnatutorials.in/enhanced-technology-of-switch/portfast-and-bpdu-guard/
BPDU Guard allow to block receiving the BPDUs on a particular port. When a port receive the BPDU it will converts to non-PortFast mode. So it is ...
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66
When an edge port is in the protected state on an ... - Exam Grinds
https://examgrinds.com/when-an-edge-port-is-in-the-protected-state-on-an-rstp-network-which-of-the-following-operations-is-performed-by-the-edge-port-immediately-after-receiving-bpdus/
... port is in the protected state on an RSTP network, which of the following operations is performed by the edge port immediately after receiving BPDUs?
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https://examgrinds.com/when-an-edge-port-is-in-the-protected-state-on-an-rstp-network-which-of-the-following-operations-is-performed-by-the-edge-port-immediately-after-receiving-bpdus/
... port is in the protected state on an RSTP network, which of the following operations is performed by the edge port immediately after receiving BPDUs?
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67
When an edge port is in the protected state on an RSTP ... - CCNA7
https://ccna7.org/when-an-edge-port-is-in-the-protected-state-on-an-rstp-network-which-of-the-following-operations-is-performed-by-the-edge-port-immediately-after-receiving-bpdus/
When an edge port is in the protected state on an RSTP network, which of the ... operations is performed by the edge port immediately after receiving BPDUs?
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https://ccna7.org/when-an-edge-port-is-in-the-protected-state-on-an-rstp-network-which-of-the-following-operations-is-performed-by-the-edge-port-immediately-after-receiving-bpdus/
When an edge port is in the protected state on an RSTP network, which of the ... operations is performed by the edge port immediately after receiving BPDUs?
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