Cisco

Router/Switch
Disabling system messages on console

Router(config)#no logging console

Configuring SNMP Monitoring

Router> en

Router# conf t

Router(config)#

Router(config)# snmp-server contact Name - Location - Number

Router(config)# snmp-server location Austin, Texas, USA

Router(config)# snmp-server chassis-id Cisco2821-Router

Router(config)# snmp-server community MyCommunity972 RW

Router(config)# snmp-server community BLahBLah123 RO

Configuring SNMP to Send Alerts

Router(config)# snmp-server host 192.168.1.23 MyCommunity972 config

Password recovery for 2900XL, 3500Xl, 2940, 2950, 2960, 2970, 3550, 3560, and 3750 series switches:
 * 1) Telnet using PuTTy or HyperTerm into the switch via a cisco console cable.
 * 2) Hold down the mode button located on the left side of the front panel, while you reconnect the power cable to the switch.
 * 3) Release after you see an amber light, usually 15 seconds.
 * 4) After Step #4 the switch: prompt should appear.
 * 5) Issue the flash_init command.
 * 6) Issue the load_helper command.
 * 7) Issue the dir flash: command.
 * 8) Type rename flash:config.text flash:config.old
 * 9) Issue the boot command to boot the system.
 * 10) Enter "n" at the prompt to abort the initial configuration dialog.
 * 11) At the switch prompt, type en to enter enable mode.
 * 12) Type rename flash:config.old flash:config.text to rename the configuration file withits original name.
 * 13) Copy the configuration file into memory by issueing the command copy flash:config.text system:running-config. The configuration is now reloaded.
 * 14) Overwrite the passwords which are necessary. You need not overwrite all of the mentioned passwords
 * 15) enable secret, enable password , line vty 0 15 > password , line con 0 > password