Cisco Switches FAQS

• December 6, 2023 Switch has set up several VLANs. My machines in the same VLAN are not in the same network segment. Can they communicate?
• December 6, 2023 The computer is connected to the 10/100M adaptive switch for normal communication, but the 100M network interface card is connected to the switch with a red light, and the communication is abnormal.
• December 6, 2023 To achieve the function of FEC, connect the two pairs of ports of the two switches with two lines at the same time, but find that each switch is always a normal port, and the other port shows a red light. Is it the fault of the switch’s port?
• December 6, 2023 1. The computer is connected to other devices through the switch and is on the same network segment, but the Ping is blocked. What will be the problem?
• December 5, 2023 Under what circumstances is the root port selected, and the port ID is compared when specifying the port?
• December 5, 2023 What are the potential problems with single-arm routing for data forwarding? How to solve them?
• December 5, 2023 Are Layer 3 switches and routers the same way to implement Layer 3 functions?
• December 5, 2023 Is there an expiration date for switching MAC table entries?
• December 5, 2023 What makes the same MAC input from different interfaces?
• December 5, 2023 Will the same MAC be input from different interfaces? switch processing?
• December 5, 2023 Why switch to flooding?
• December 5, 2023 What is a POE power supply?
• July 30, 2023 What is ALG?
• July 30, 2023 What are dynamic NAT translations?
• July 30, 2023 What is meant by the term NAT overloading; is this PAT?
• July 30, 2023 What are static NAT translations?
• July 30, 2023 What is the advantage of using route-map vs ACL on a NAT pool?
• July 30, 2023 What is the maximum number of configurable NAT IP pools (ip nat pool “name”)?
• July 30, 2023 What are NAT IP pools?
• July 30, 2023 When configuring for PAT (overloading), what is the maximum number of translations that can be created per inside global IP address?