quarta-feira, 19 de fevereiro de 2020

My Wi-Fi Blog is about to start. Newbie but with full of experience.



The main reason is to have a place that I can consult as an archive and also share my knowledge with the Wi-Fi community that everyday surprises more and more.

I consider my self a self-learner, a dream, a friend, and always available to help others.

This my first blogpost is "How to Upgrade Firmware Cisco Mobility Express 1852e"

Tools and devices used:
  • Windows 10
  • Tftp Software 3CDaemon
  • Termius (ssh software) - link
  • Cisco AP1852e Mobility Express Image (downloaded under software contract support)
  • Cisco AP1852e Access Point (already running a older ME image) - link
  • Cisco 2960x 24P (to Power up Cisco AP) - link

Steps

After download the *.zip firmware, unzip it and place it in to a folder;

On Windows Machine open 3CDaemon software and point it to folder AIR-AP1850-K9-ME-8-10-112-0 folder.

Access to the Access Point thru Termius (SSH) and give the following commands:

(Cisco Controller) >transfer download ap-images mode tftp

(Cisco Controller) >transfer download ap-images serverIp 192.168.1.72 (IP addres of your PC)

(Cisco Controller) >transfer download ap-images imagePath AIR-AP1850-K9-ME-8-10-112-0 (The Folder were is the image)

(Cisco Controller) >transfer download start

Mode............................................. TFTP 
Data Type........................................ ap-image
TFTP Server IP................................... 192.168.1.72
TFTP Packet Timeout.............................. 6
TFTP Max Retries................................. 10
TFTP Path........................................ AIR-AP1850-K9-ME-8-10-112-0/

Do you want to Auto-Reboot after Complete? (y/N) y
Auto-Reboot check ENABLED!!
System will reboot within 5secs, ONLY upon Download COMPLETION to all Aps.
Configuration will be Saved before Auto-Reboot

DOWNLOAD may take some time......
Are you sure you want to start? (y/N) y

TFTP Code transfer starting.

Triggered APs to pre-download the image.
Controller will AUTOREBOOT once AP Image pre-download is complete.



After the upgrade the Access Point will reboot, and once rebooted acces again thru SSH and validate that upgrade was sucessfull


 (Cisco Controller) >show sysinfo

Manufacturer's Name.............................. Cisco Systems Inc.
Product Name..................................... Cisco Controller
Product Version.................................. 8.10.112.0
OUI File Last Update Time........................ N/A

System Name...................................... wl
System Location..................................
System Contact...................................
System ObjectID.................................. 1.3.6.1.4.1.9.1.2250
IP Address....................................... 192.168.0.241
Last Reset....................................... 1: reload command

System Up Time................................... 0 days 1 hrs 2 mins 18 secs
System Timezone Location......................... (GMT) London, Lisbon, Dublin, Edinburgh
System Stats Realtime Interval................... 5
System Stats Normal Interval..................... 180

Configured Country............................... PT  - Portugal

State of 802.11b Network......................... Enabled
State of 802.11a Network......................... Enabled

--More-- or (q)uit
Number of WLANs.................................. 4
Number of Active Clients......................... 8

OUI Classification Failure Count................. 8

Memory Current Usage............................. 70
Memory Average Usage............................. 70
CPU Current Usage................................ 5
CPU Average Usage................................ 5

Flash Type....................................... Compact Flash Card
Flash Size....................................... 1073741824

Burned-in MAC Address............................ 6C:5E:3B:DC:23:80
Maximum number of APs supported.................. 50
System Nas-Id....................................
WLC MIC Certificate Types........................ SHA1/SHA2

I don't advise you to upgrade to the latest firmware version, try remain the stable ones 😁 except if you are on lab or controlled enviroment :)