Connecting to and Managing Cisco Firewalls
Also see “Allow Remote Management” KB ID 0000075 Problem To connect to and manage a Cisco firewall you need three things, To be in possession of a password, (and in some cases a username). Have the ‘Method of Access granted to you’ (or have physical access to the firewall). Know a ‘Method of Access’ to the firewall for management. Cisco Firewall Passwords Unless your firewall is brand new (in which...
Ubuntu – Managing Cisco Devices via Serial / Rollover Cable
KB ID 0000400 Problem A while back I ran though “Managing Cisco ASA devices via the ASDM with Ubuntu”, I prefer to work at command line, with a new firewall my only choice is via the console port, In a windows environment I can fire up Hyperterminal and I’m away. With Linux there a couple of things to do first. Solution Step 1 (Get the Serial / RS232 / COM Port working) As pictured above, this is being done on my...
Cisco Catalyst Password Recovery / Reset
KB ID 0000496 Problem The title is a bit of a misnomer, we are not going to recover the password, we are simply going to change the password to one we know. Solution Note: This procedure works on models, 2900, 2940, 2950, 2955, 3500XL, and 3550. Before you start connect the the device with a console cable and terminal emulation software, the procedure is the same as the one I’ve outlined here. 1. Power the switch off >press...
Cisco Catalyst Switches – Set a Management IP and Allow Telnet and Web Management
KB ID 0000614 Problem If you want to manage your Cisco Catalyst switch it’s not always practical to plug a console cable in to change its settings or monitor what it is doing. Putting an IP address on it and enabling remote management via Telnet or from your web browser is a better alternative, particularly if you have a lot of switches. Solution Enable Telnet Management on Cisco Catalyst Switch 1. Connect to the Switch using a...
Cisco – Using a Mini USB Console Cable
KB ID 0001073 Problem A colleague asked me if I had a USB console cable, because the switch he was working on had a failed RJ45 console port. I thought it was just the same cable that charged my phone (USB A to micro USB). But it isn’t, it’s mini USB. I thought, that might happen to me at some point, and rather than carry yet another cable I got onto eBay and got a female micro USB to male mini USB converter for about...