cisco switches for dummies

that your server operations are too slow. Check your desktop traffic speed and network switching capability. Question 4: Maybe tomorrow, the business will double, and the demand for various network applications will double. Are you ready for the network? Simplifying management and reducing costs are the pursuit of network managers. The network environment is a complex and closely composed environment, and you will find that the network is becoming more and more picky. Remember, the network has

C-F6. Multi-VLAN configuration DHCP? C3750-E? CISCO switches, c-f6c3750-e C-F6. Multi-VLAN configuration DHCP? C3750-E? CISCO switches. After VLAN and interface are allocated according to our plan, we need to consider which VLANs need to be configured with the DHCP service. There may be multiple VLANs that need to be c

Basic configurations of Cisco switches One vswitch and two PCs can communicate with each other and allow login to the vswitch terminal. Command Configuration: SW1 # vlan database // enter the vlan database % Warning: It is recommended to configure VLAN from config mode, As VLAN database mode is being deprecated. Please consult user Documentation for associating ing VTP/VLAN in config mode. SW1 (vlan) # vla

Password Recovery for Cisco switches 1. Press and hold the modem key to power on. After Entering the console, release: switch: 2. Load the flash_init file for initialization: switch: flash_init 3. view files in flash: switch: dir flash: 4. rename the configuration file: switch: rename flash: config. text flash: config. old (set at will) 5. Start the vswitch: boot 6. view flash in privileged mode: # di

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Password Recovery for Cisco switches 1, hold the modem key, power, to enter the console after release: switch: 2, loading flash_init file initialization: Switch:flash_init 3, view the files in Flash: Switch:dir Flash: 4, rename the configuration file: Switch:rename flash:config.text flash:config.old (optional set) 5. Start switch: Boot 6, in the privileged mode of view Flash: #dir Flash: 7. Change th

Password recovery for Cisco Catalyst 2950 Switches1. Unplug the power cord from the switch.2. Press and hold the switch's mode key to plug in the power cord.3. When "Switch:" appears, release mode switch:4. After the SWITCH: Execute the "flash_init" command, initialize the Switch:flash_init5. View the files in Flash. Switch:dir Flash6. Rename "Config.text" file to "Config.old" file. Switch:rename Flash:config.text Flash:config.old7. Execute the "boot"

Cisco is the one who learns when it comes to networking. So the Cisco complex is very deep, and then the working contact with Cisco devices is few ...about configuring the same port configuration in bulk# # #思科:Interface Range g1/0/x to g1/0/y # # # #就英文的意思, today a set of port ranges ...Switchport mode accessSwitchport Access VLAN 300# # #华为, Hua 3 no? (Some peo

Cisco PT Simulation Experiment (5) port aggregation configuration for switchesExperimental Purpose :Understanding Port Aggregation FundamentalsMaster the configuration method of general switch port aggregationExperimental Background : The company's finance department and the sales department of the PC through 2 switches to communicate frequently, in order to improve the bandwidth between links, to ensure th

The built-in tool "HyperTerminal" can be used directly under XP, and installation SECURECRT need to be downloaded in Win7 or later.This article assumes that the SECURECRT has been downloaded and installed.First, connect your computer to the console line. Because many laptops do not have a serial port configured at present, the console line is now connected to a serial port to the USB port line, and then via USB to connect the laptop USB port.So is my computer.Find the port numberRight-click on t

First look at the requirements: (to make the following effect)Take a look at the overall topology diagram:put a Laptop : L0DHCP automatically get IPput a server-pt : DHCP ServerSet IPSet Config inside the DHCPGateway (first routed address IP )Dns Serverput a switch: sw0(No configuration required, just a function of the expansion port)Place several routers: R0 , R1 , R2,dte , DCEconfigure each port's IP Address requirements:The connection is ensured by means of seriesTwo cases need to expand the

unassigned YES unset up downFASTETHERNET1/12 unassigned YES unset up downFASTETHERNET1/13 unassigned YES unset up downFASTETHERNET1/14 unassigned YES unset up downFASTETHERNET1/15 unassigned YES unset up downVlan1 unassigned YES unset up downVlan10 192.168.10.1 YES Manual upVlan20 192.168.20.1 YES Manual upsw1#650) this.width=650; "src=" Https://s3.51cto.com/wyfs02/M00/08/82/wKiom1njV3KCWsVAAAAp30tzTpQ385.png "style=" float : Left; "title=" QQ picture 20171015203147.png "alt=" Wkiom1njv3kcwsvaa

configuration file config.text, want to recover the password, it is necessary to bypass Config.text this file, first enter the system, then reset the password.Step one, because the Cisco switch Factory settings are no password, so you can restart the switch (unplug the switch and then reconnect) immediately press and hold the "mode" button on the switch. When you see the Configuration Interface display ()650) this.width=650; "src=" http://s3.51cto.co

Q: Are there any simple tools and methods? Do a script, automatically execute on a script in N-around Cisco switches, and then return the results? Method One, the switch configuration file download, modified and uploaded to the n-switch. Then restart or copy start run. Method Two, under Windows to build a bat file, the contents and you telnet to the switch to modify the command used when the same, but the

(config) #inSwitch (config) #interface vlan 1Switch (config-if) #ip addSwitch (config-if) #ip address 192.168.1.1 255.255.255.0Switch (config-if) #no sh%link-5-changed:interface Vlan1, CHANGED state-to-up%lineproto-5-updown:line protocol on Interface Vlan1, changedSwitch (config-if) #exiSwitch (config) #enSwitch (config) #enable PassSwitch (config) #enable password CiscoSwitch (config) #line vty 0 4Switch (Config-line) #passSwitch (config-line) #password Cisco1Switch (Config-line) #loginSwitch