Tagged: WLC

Cisco Option 43 Generator

Option 43 can be used to discover WLC or convert EWC/ME to CAPWAP. This is a really useful feature, and I often need to use it in my tests. But its format conversion is...

Initial Configuration for Embedded Wireless Controller

Product overview Official explanation The Cisco® Embedded Wireless Controller (EWC) on Catalyst® Access Points is a software-based controller integrated into Cisco Catalyst 9100 Access Points. It is a simplified, low-cost, feature-rich Wi-Fi architecture with...

Configure 802.1X on 9800 series WLC and ISE

1. Configure AAA Add the ISE address to the 9800 WLC. Configure Server Groups (optional, not required). Configure AAA Method (required), If not configured, authentication will fail, which will be discussed in 6. Verification....

Upgrade a Cisco Catalyst 9800 Series Wireless Controller

1. Delete old installation files install remove inactive 2. Copy files from ftp server to flash memory copy ftp://username:password@image flash: 3. Confirm copied file dir flash:*.bin 4. Install to bootflash install add file bootflash:image...

How to automate WLC using Python (CLI)

Updated on May 21, 2020: If you are looking for C9800 wireless controller automation, please refer to my following article, I hope this helps you.Monitoring IOS-XE device with Netconf API + Grafana + InfluxDB...

Understanding Aggressive Load Balancing

For wireless environments, there’s competition everywhere. If an AP serves many clients, there must be delays and packet loss. Aggressive Load Balancing was created to solve this problem, the number of clients connected to...

Cisco Wave2 AP and WPA2 TKIP

If you are using Wave2 AP and WPA2 TKIP is enabled, it may cause client connection problems. This is because the Wave2 AP does not support WPA2 TKIP. In versions 8.4 and above, the...

Using RTOS image to recovery WLC

If your WLC failed to load image, you may need to recovery the WLC using RTOS image. We need to contact TAC to get the RTOS image. The following are the upgrade steps. Type...

Configuring LAG for the AP

Configuring LAG(link aggregation) allows the AP to provide 2 Gbps uplink. Configuring WLC Use the command “config ap lag-mode support enable” to enable global LAG support. This will cause the DTLS connection to be...

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...