WebSep 6, 2024 · " why SW-1 send TCN BPDU out of G0/2 and NOT sent TCN BPDU out of G1/1 trunk port ?" 1, STP Topology Change Notice is sent over the Root Port to Root Sw to inform him about the change and to flush MACs. Root sw then should inform others about the change. Sw 1's Root Port is Gi0/3 to Sw 3. right? 2, Then, after shutdown, new RP of Sw1 … WebDec 14, 2024 · Root is sending a Configuration BPDU towards S2-1 stating that there was a change in the topology of this spanning tree. The screenshot below shows the …
Dashboard Alerts - Device Health - Cisco Meraki
WebApr 20, 2024 · STP Topology Changes Overwhelm Meraki Switches. We just recently replaced a L3 cisco switch at one of our sites with a new L3 meraki Switch. Since doing … WebMay 3, 2024 · we have 3 switches connected in star topology. There is just one vlan configured. All the switches are experiencing spanning tree topology changes, in continuous. And all the network is experiencing some timeouts. A sample of logging events are as below: *May 03 2024 13:27:21: STP-6: GigabitEthernet38 STP port state is set to … fish filter too powerful
Solved: Spanning-tree changes - Cisco Community
WebSTP: 802.1D States . Disabled (not listed in the table above): This indicates that the port is administratively shut down and is not in the STP topology. Blocking: This state indicates that the port would cause a switch loop without STP intervention. No user data should flow through these ports. This port may become unblocked in the event of receiving a BPDU … WebJan 28, 2024 · RSTP topology changes are generated when a non edge port comes up. If you are using the default trunk native vlan 1 configuration for all your access ports you could be generating a load of TCN's. Please configure all ports that go to endpoints as access ports. Meraki software enables edge port / portfast automatically on access ports. WebDec 14, 2024 · This indicates that the Spanning Tree process is now aware that Gi0/2 is down, and that a topology change has occurred. Just like the debug on the fourth line of the first event, this debug logically separates each part of the BPDU to make it easier to read. In this debug, the third section is set to 0x80. This indicates that this is a Topology ... canara bank byndoor ifsc code