CDP negotiation of WLC/AP
The TLV list can filter the values contained in the CDP packet. What makes me curious is what is the condition for the successful CDP negotiation of the WLC or AP. The required fields...
Category: AireOS
How to remotely manage Cisco WLC via Service Port
Usually we can connect PC to the Service Port to access the WLC (http/https or SSH/Telnet). At this point we don’t even need to configure gateway for the PC. But if we want to...
Recommended configuration for WLAN-VLAN mapping
When configuring Cisco WLC WLANs, there are three WLAN-VLAN mapping options. AP-Specific Group-Specific Wlan-Specific The difference between AP-Specific and the other two WLAN-VLAN mappings is that the AP-Specific configuration is saved in the AP’s...
Mobility Express Master AP client connection limit
Updated on December 15 The Master AP threshold should be 25 instead of 50. The following is official Cisco document. If there are more than 25 Access Points in a Mobility Express network, the...
How to configure Kiwi Syslog Server for Cisco WLC
Solarwinds Kiwi Syslog Server is a widely used commercial Syslog server. Kiwi Syslog Server Free Edition can monitor Syslog for up to 5 devices. We can download Kiwi Syslog Server Free Edition from the...
How to recovery AP from u-boot mode (AP2800/AP3800)
The following is the recovery method when the AP stuck in u-boot mode. It should be noted that these methods have certain risks. 1. Change the bootcmd variable It is possible for the AP...
How to upgrade IOS AP from ROMMON
Press the ESC button during AP startup to enter ROMMON mode. Then use the following command to upgrade the IOS AP. The following is the upgrade process, I used an AIR-CAP3602I-A-K9. 1. Set the...
License limitation of AIR-CT5508-12-K9
We know that the maximum capacity of the AIR-CT5508 license is 500 APs. But there are extra cases on AIR-CT5508-12-K9. The Cisco documentation is explained below. A 5500 Series WLC with a base license...
Using Python to change the WLC configuration
In the post “Logging into WLC GUI with Python” I showed how to use Python to log in to the WLC GUI. In this post we will go a step further and learn to...
Priority order of MAC Filtering on the WLC
We know that there are two types of MAC Filtering for WLC. Local MAC authentication MAC authentication using a RADIUS server When we are designing a network environment, we may be in a situation...
How to configure NTPv4 on the WLC
In this post I will show how to configure NTPv4 on the Wireless LAN Controllers. As I mentioned in the last post “NTPv4 causes the WLC to fail to synchronize time“, “NTPv4 protocol is...
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...
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 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...
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