Question about loops on a switch
Would that actually take the whole network down? Even if STP was not enabled on the access switch in the closet that switch it would just loop between those two ports and the hub/switch, causing
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Switch Dualport Loop
Configuring Loop Detection Guard
Restrictions for Loop Detection Guard Loop detection guard can be configured only on Layer 2 physical interfaces. Layer 3 ports and virtual interfaces, such as port channels, switch virtual interfaces (SVIs),
Switching loop
A switching loop or bridge loop occurs in computer networks when there is more than one layer 2 path between two endpoints (e.g. multiple connections between two network switches or
Layer 2 Configuration Guide, Cisco IOS XE 17.13.x (Catalyst 9200 Switches)
This complex network has distribution switches and access switches that each have at least one redundant link that spanning tree blocks to prevent loops. If a switch loses connectivity, it
Can Connecting Ethernet Cable on Two Router Ports Cause a Loop?
Learn about the potential risks of connecting an Ethernet cable to two router ports and causing a loop. Discover the possible consequences and how to avoid this issue.
Best practices for trunking two switches?
We are deploying a temporary solution and trunking one switch to another via x-over cable. What are the best practices to follow in this situation to allow for the ideal setup? Right now I
Switch to switch loop issue
That''s the purpose of STP, i.e. to block L2 loops. However, to avoid edge ports waiting for STP to unblock them, the portfast option is used, but this does expose the switch to a L2 loop
What Is Switching Loop?
To take it simply, STP is the protocol that blocks one or several ports in order to prevent switching loops and use the blocked ports route as a backup in case the
Preventing Network loops on cisco switches
BPDU guard all the ports except your uplinks. We once had an issue where somebody created a loop by connecting an phone into a PhyBridge and the PC port into another network