Two-tier switch:The second layer switching technology is more mature, two layer switch is a data link layer device, can identify the MAC address information in the packet, according to the MAC address to forward, and these MAC addresses and
Two-layer switching technology is a mature development, two-layer switch is a data link layer device, can identify the Mac in the packet
Address information, forwarding based on MAC addresses, and recording these MAC addresses with corresponding
With the increasing popularity of Mbit/s, Gbit/s, and even Mbit/s local area networks, broadband MAN networks and even broadband wide area networks are widely used. Whether it is Intranet, exclusive, or residential intelligent networks, it is
1) layer-2 Exchange Technology
The layer-2 switching technology is relatively mature. The layer-2 switch is a data link layer device that can identify MAC locations in data packets.Address information, which is forwarded based on the MAC address,
Switch requirements
1. Switch to restore factory settings and its basic configuration.
1)//Enter privileged mode
2) del Config.text
2. Telnet mode to manage the switch.
1)//Enter the global configuration mode
2) enable password 0 [password]
3)
First, the switch types are divided into low-end (SOHO-level) and high-end (enterprise-level ). An important difference between the two is the low-end switch. Each physical port is a logical port, while the high-end switch binds multiple physical
1. Commands supported by the switch:
Switch Basic Status:
Switch:; ROM state, router is rommon>
hostname>; user mode
hostname#; privileged mode
Hostname (config) #; global configuration mode
Hostname (CONFIG-IF) #; interface State
Switch Password
Grammarsyntax for switch statements in the Swift language:
Copy Code code as follows:
Switch Expression {
Case expression1:
Statement (s)
Fallthrough/* Optional *
Case Expression2, Expression3:
Statement (s)
Fallthrough/*
In a twinkling of an eye, IT has been mixed into this line for three years. IT seems boring, but I have never thought about what I want to do before. Why is IT boring? From my personal experience, I have worked in private enterprises and state-owned
Switch Equipment is still quite common, So I studied the status error of Switch Equipment and shared it with you here. I hope it will be useful to you. Without any clue, I had to go to the Central Data Center of the organization, open the cabinet,
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