SHIFT-WIKI - Sjoerd Hooft's InFormation Technology
This WIKI is my personal documentation blog. Please enjoy it and feel free to reach out through blue sky if you have a question, remark, improvement or observation. See below for the latest additions, or use the search or tags to browse for content.
Cisco Serial Number
Summary: How to get the serial number of a Cisco device.
Date: Around 2010
Refactor: 21 February 2025: Checked links and formatting.
If you want/need support for your cisco devices you'll need the serial number. You can get it from the software, along with other interesting information about the device:
switch1#sh version Cisco IOS Software, C3750 Software (C3750-IPBASE-M), Version 12.2(35)SE5, RELEASE SOFTWARE (fc1) Copyright (c) 1986-2007 by Cisco Systems, Inc. Compiled Thu 19-Jul-07 19:15 by nachen Image text-base: 0x00003000, data-base: 0x01080000 ROM: Bootstrap program is C3750 boot loader BOOTLDR: C3750 Boot Loader (C3750-HBOOT-M) Version 12.2(25r)SEC, RELEASE SOFTWARE (fc4) switch1 uptime is 2 years, 18 weeks, 5 days, 23 hours, 56 minutes System returned to ROM by power-on System restarted at 08:16:03 CET Thu Nov 27 2008 System image file is "flash:c3750-ipbase-mz.122-35.SE5/c3750-ipbase-mz.122-35.SE5.bin" cisco WS-C3750G-24T (PowerPC405) processor (revision N0) with 118784K/12280K bytes of memory. Processor board ID FDO1233Y2FK Last reset from power-on 1 Virtual Ethernet interface 24 Gigabit Ethernet interfaces The password-recovery mechanism is enabled. 512K bytes of flash-simulated non-volatile configuration memory. Base ethernet MAC Address : 00:23:05:30:97:58 Motherboard assembly number : 73-9679-13 Power supply part number : 341-0048-53 Motherboard serial number : FDO12660FDJ Power supply serial number : DTN1456309Z Model revision number : N0 Motherboard revision number : A0 Model number : WS-C3750G-24T-S System serial number : FDO1456Y2FK Top Assembly Part Number : 800-25325-02 Top Assembly Revision Number : A0 Version ID : V06 CLEI Code Number : COMUV10ARA Hardware Board Revision Number : 0x02 Switch Ports Model SW Version SW Image ------ ----- ----- ---------- ---------- * 1 24 WS-C3750G-24T 12.2(35)SE5 C3750-IPBASE-M Configuration register is 0xF
This wiki has been made possible by:
Cisco Radius Authentication on Active Directory 2008
Summary: This post describes the installation and configuration how to authenticate on Cisco devices with the use of Microsofts Active Directory.
Date: Around 2010
Refactor: 21 February 2025: Checked links and formatting.
The Active Directory will be running on a Windows Server 2008 SP2, standard edition (64 bits). The steps coming towards this configuration are these:
- Installation Network Policy Server (NPS)
- NPS is the Microsoft implementation of a Remote Authentication Dial-in User Service (RADIUS) server and proxy in Windows Server 2008
- Configuration of a 'Remote Access Policy'
- Configuration of a 'Radius Client'
- Configuring of Cisco Devices for authentication through radius
Cisco Port Speed
Summary: This is an example of an interface on a cisco switch with the port speed configured:
Date: Around 2010
Refactor: 21 February 2025: Checked links and formatting.
interface GigabitEthernet1/0/18 switchport access vlan 150 switchport mode access duplex full speed 100 spanning-tree portfast
This wiki has been made possible by:
Cisco ASA Firewall Authentication
Summary: Information all around on Cisco ASA Firewall Authentication.
Date: Around 2017
Refactor: 20 February 2025: Checked links and formatting.
This is a page with information about cisco authentication on an ASA firewall, and it is an addon to the Cisco Radius Authentication on Active Directory 2008 article.
All commands assume you've already logged on to the switch with privilege level 15 access and are already in config mode (conf t).