Something something.
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#! /usr/bin/env python3 import meraki def main(): pass if __name__ == "__main__": main() |
Software upgrade Cisco Wireless LAN Controller
Start by transfering new code to the Wireless LAN Controller. Initiate predownloading by doing the following. Basically you’re setting the new SW as backup, and telling the APs to download the new SW, before setting the backup SW as primary.
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(Cisco Controller) >config ap image predownload primary all (Cisco Controller) > (Cisco Controller) >show ap image all Total number of APs.............................. 85 Number of APs Initiated....................................... 0 Downloading..................................... 0 Predownloading.................................. 0 Completed predownloading........................ 85 Not Supported................................... 0 Failed to Predownload........................... 0 Predownload Predownload Flexconnect AP Name Primary Image Backup Image Status Version Next Retry Time Retry Count Predownload ------------------ -------------- -------------- --------------- -------------- ---------------- ------------ --------- AP-22 8.2.121.0 8.5.131.0 Complete 8.5.131.0 NA NA AP-23 8.2.121.0 8.5.131.0 Complete 8.5.131.0 NA NA [...] (Cisco Controller) > (Cisco Controller) > (Cisco Controller) >show boot Primary Boot Image............................... 8.5.131.0 Backup Boot Image................................ 8.2.121.0 (default) (active) (Cisco Controller) >config boot primary (Cisco Controller) >show boot Primary Boot Image............................... 8.5.131.0 (default) Backup Boot Image................................ 8.2.121.0 (active) (Cisco Controller) >config ap image swap all (Cisco Controller) >show ap image all Total number of APs.............................. 85 Number of APs Initiated....................................... 0 Downloading..................................... 0 Predownloading.................................. 0 Completed predownloading........................ 85 Not Supported................................... 0 Failed to Predownload........................... 0 Predownload Predownload Flexconnect AP Name Primary Image Backup Image Status Version Next Retry Time Retry Count Predownload ------------------ -------------- -------------- --------------- -------------- ---------------- ------------ --------- AP-22 8.5.131.0 8.2.121.0 Complete 8.5.131.0 NA NA AP-23 8.5.131.0 8.2.121.0 Complete 8.5.131.0 NA NA [...] (Cisco Controller) >save config Are you sure you want to save? (y/n) y Configuration Saved! (Cisco Controller) >reset system in 00:10:00 image no-swap reset-aps System reset is scheduled for Jul 18 14:16:40 2018. Current local time and date is Jul 18 14:06:40 2018. A trap will be generated 10 minutes before each scheduled system reset. Use 'reset system cancel' to cancel the reset. Configuration will not be saved before the system reset. |
Enabling DHCP Address Assignment Required
This will force authenticating clients to use DHCP. If clients are configured with a static IP address, they are not allowed to authenticate to the SSID.
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config wlan disable X config wlan dhcp_server X 0.0.0.0 required config wlan enable X |
Enabling LBS on Cisco Autonomous AP.
I have been doing a lot of Aeroscout RTLS lately. For testing purposes I’ve configured an Autonomous AP, for use with local installation of Aeroscout Location Engine.
Continue reading “Enabling LBS on Cisco Autonomous AP.”Software upgrading Catalyst 3850 switch stack
I just had the experience of upgrading a 3850 switch stack. This type of switch has a USB interface which allows for easy(read: faster!) file copying.
Continue reading “Software upgrading Catalyst 3850 switch stack”Configuring Cisco Autonomous AP
This is how to set up a Cisco 2702I AP in Autonomous mode. The 2702i AP (and others) have two radios, namely Dot11Radio0 and Dot11Radio1, where the former is 2.4 GHz radio and the latter is 5 GHz.
Continue reading “Configuring Cisco Autonomous AP”Disabling AironetIE on Cisco Mobility Express
The Mobility Express APs from Cisco run a type of software, which also contains an onboard Wireless LAN Controller. Contrary to most standalone WLCs from Cisco (2504, 3504, 5520, and so on), the Mobility Express controller GUI is simpler and more modest. There are not as many configuration options compared to the standalone controllers.
Below is are the three CLI commands to disable AironetIE on Mobility Express controller
Continue reading “Disabling AironetIE on Cisco Mobility Express”Getting a C819G 4G LTE router to 4G LTE
The other day I was tasked with troubleshooting a Cisco 819G 4G router, as the customer was getting poor signal at its location. Being a newbie in the world of Network Engineering, I had never worked with one before. So when the opportunity to debug one came, I made the decision to spend some time looking into it.
Ten of these routers were bought for a customer, who required internet connectivity in remote locations, where it wasn’t possible to install a fixed line.
Saying that I had never worked with a 819G router before, is a bit of a lie. After the consultant in charge of this project left the company, I took over with configuring the routers. He had prepared a template, which was ready to be loaded on to the router. So it was easy-peasy preparing the routers when the customer was ready for the next. Or so it seemed…
Continue reading “Getting a C819G 4G LTE router to 4G LTE”Configuring DHCP pools on Cisco IOS switch
When preparing switches or Labbing, I’ve often found myself searching for configuration examples on configuring DHCP servers on Cisco IOS switches.
Continue reading “Configuring DHCP pools on Cisco IOS switch”