How to copy a Cisco Catalyst Switch Configuration? 1. you connect to the switch via telnet, using putty application with buffer set to some 2000 lines. 2. you issue 'show running-config' 3. you select output using your mouse and then copy selection to clipboard. 4. then you open notepad and paste there clipboard contents. 5. then you edit necessary settings in notepad (ip addresses, dns names, etc.) 6. now you select all text in notepad and also copy it to clipboard 7. now you open another telnet session to a different switch 8. issue 'configure terminal' 9. paste contents from clipboard 10. wait for commands being executed, issue exit and then 'copy running-config startup-config' and reboot your switch with aclciscoputty