cisco catalyst 2900

I. host MAC and switch port binding: Switch # config terminal Switch (config) # int f0/1 Switch (config-if) # switchport mode access Switch (config-if) # switchport port-security mac-address 2.16.0000.0001 2. Host IP address and switch port binding: Switch (config) # interface FastEthernet0/17 Switch (config-if) # ip access-group 1 in Switch (config) # access-list 1 permit 10.0.0.1 In this way, the FastEthernet0/17 port of the vswitch is bound to the ip address and mac address. The simples

1. Unplug the power cord of the vswitch, press the switch Mode button, and re-plug the power cord of the vswitch. Release the Mode button after the LEDs on Port 1x are off. 2. For the Catalyst 2940/2950 L series: Unplug the power cord of the switch, hold down the Mode button of the switch, and re-plug the power cord of the switch. Release the Mode button after the stat led is off. 3. For the Catalyst 2955 s

Found that Cisco Catalyst Switch reboot is always in rommom mode, the system reboots when the Confreg command chooses the startup mode of 1 (starting from the first file) and cannot enter the normal interface. Enter to boot: 0 = Disable Autoboot 1 = the internal flash device 2 = commands specified in ' BOOT ' environment variable [2]: 1 The analysis suggested that the iOS file might be corrupted or pu

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:conf

A Cisco 4506 switch in the user's actual environment could not log on, and the system could only be cracked because the maintenance staff did not remember the modified password.Environment:Cisco Catalyst 4506E switch, engine for WS-X45-SUP8-E, system version is cat4500es8-universal-mCrack steps:To restart the switch, press CTRL + C to abort the switch's boot process as follows:Verifying FPGA (P) Signature .