Author: Haifeng

NTPv4 causes the WLC to fail to synchronize time

The following error message may appear on the Cisco 2504 and 5508 Wireless Controllers. And the WLC can’t synchronize with the NTP Server. In fact, this is because the 2504 and 5508 do not...

How to configure NTP Server with Cisco switch

In my last post “How to configure NTP Server with Windows Server” I showed how to configure NTP Server with Windows Server. In this post I will show you how to use Cisco switches...

How to configure NTP Server with Windows Server

If you are a network administrator, you may face the situation of configuring an NTP server to synchronize time. There are many ways to configure an NTP server. Windows Server or NAS or even...

Configure internal DHCP server on the WLC

In this post I will demonstrate how to configure the internal DHCP server. Compared to external DHCP servers, the WLC’s internal DHCP server is simpler to configure and less expensive. The following three steps...

How to configure Wired Guest Access

In this post, I will review how to configure Wired Guest Access. Now almost all clients support wireless, it seems that the “Wired Guest Access” function is useless. But in fact, “Life is full...

How to update your Cloudflare DNS record with docker

I have a Synology NAS, I often need to access it when I am traveling, and I don’t have a Static IP – Static IP that requires network provider support and requires additional expenses....

How to reset the AP’s Syslog settings

By default, the Syslog address of AP is displayed as below. If you set the Syslog server address and want to return to the initial state, you can use the following commands. The test...

Logging into WLC GUI with Python

If we need to automate the WLC GUI, I think the best automation application is Selenium. In this article I will try to describe in detail how to use Selenium to log into the...

Session Timeout and User Idle Timeout

Session Timeout: Force the client to re-authenticate when the timer expires. This is not related to the client’s traffic. User Idle Timeout: Remove the client after it has been inactive for more than the...

Configuring CWA on WLC and ISE(Step by Step)

In this post we will see how to configure Central Web Authentication (CWA). The topology in this example is as follows. WLC configuration 1. Add RADIUS Authentication Server 2. Configuring WLAN 3. Configuring DNS...