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A Structured Approach to Cabling
What are the 6 components of structured cabling?
How do the WS-X4232-RJ-XX module and the WS-U4504-FX-MT module on the Catalyst 4003/4006 work?
How does the Catalyst 5000 uplink appear in the Configuration Tool?
What are MSM, NFFC, MSFC and PFC in the switch, and what are their functions?
How to determine your switch engine model?
Does Catalyst 4000 support ISL?
What are the three-layer packet forwarding rates of Catalyst 2948G-L3, 4000, and 6000?
Can the Catalyst 2948G be stacked with the Catalyst 3500XL GigaStack GBIC?
What switches currently available in Cisco support Layer 3 switching?
Hubs and routers cannot share internet access
The switch cannot communicate when it is just powered on.
Does the box switch support the IRF ring connection topology?
Switch is not running business, but CPU usage is high, how to solve it?
When adding ACLs, it prompts that resources are insufficient. What are the possible reasons?
Why is the corresponding Ethernet port indicator light on the device not on when the Ethernet port is normal?
Can BIDI optical modules be mixed with other optical modules?
What malfunctions can occur if the fan module is not installed correctly?
For devices that support pluggable fan modules, how to solve the problem that the SYS light is always red after booting?
Why can’t I execute certain commands or prompt that I have insufficient configuration permissions?
How to change web login password?
Connect the device through the Console port, why does the configuration end point not display or display garbled characters?
Improper configuration: After connecting a workstation to several ports on the switch, it cannot ping other computers in the local area network, but the “local connection” icon on the desktop still shows network connectivity.
The solution to the backplane failure
Circuit board fault solution
Solutions to module failures
Port failure: The entire network is functioning normally, but individual machines cannot communicate normally.
Power failure solution
助力中国企业出海，出海后网络问题如何解决" >助力中国企业出海，出海后网络问题如何解决
Under what circumstances is the root port selected, and the port ID is compared when specifying the port?
Connect the Cisco Catalyst 3524 to an existing network connected by a switch. The main switch is a Catalyst6509, and its GBIC is already connected to the Catalyst4006 switch. I decided to use the port of the Catalyst 6509 module 3 and use a Type 5 adapter cable to connect the fast Ethernet ports, namely the 3/15 port of the Catalyst 6509 and the 0/1 port of the Catalyst 3524. At the same time, set the two ports to 100Mbps, full duplex, the same VLAN1 administrative domain and the same VTP domain and the same VTP mode (server mode). The backbone mode and packaging of the two ports are set to non-negotiated and 802.2q respectively. So there is a problem: when I ping any IP address from the Catalyst 3524 console on the network, although I get a successful rate of 0/5 port, there is no data transfer between the two switches. I suspect that the Catalyst 3524 Ethernet port does not have backbone capability, so I did a port display on the Catalyst 3524 console, but I did not get
How to choose a managed vs unmanaged switch?
How to choose a managed vs unmanaged switch?
What is an industrial switch?
How to use a fiber optic transceiver?
How to use a fiber optic transceiver?
Buy non-standard POE power switch or standard POE power switch?
Buy non-standard POE power switch or standard POE power switch?
What are the differences between managed and unmanaged switches?

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