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...
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...
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...
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...
Cause Analysis Mobility Express environment allows redundancy, If the Master AP fails, another AP(MOBILITY EXPRESS CAPABLE image installed) will become the Master AP. VRRP plays an important role in the Failover process of ME,...
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...
We know that the asterisk in the Catalyst means <Time is not authoritative>. *—Time is not authoritative.(blank)—Time is authoritative..—Time is authoritative, but NTP is not synchronized. https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3750e_3560e/software/release/12-2_55_se/configuration/guide/3750escg/swadmin.html Does AP mean the same thing? The...
Both reset system and restart can reload the WLC. But what is the difference? Why are there two commands? There are two explanations for the commands in the CLI. We can see that the...
For the 1800/2800/3800 series, there are two models, one is K9 and the other is K9C. C in K9C means Configurabule. Usually, the K9C image at the factory is Mobility Express controller software, and...
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...
I have some virtual machines for testing, but these machines are offline and cannot connect to the Internet. I was having trouble installing the Python module. I can use whl file to install the...
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...
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...
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...
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...
I tried to install .NET Framework 3.5 on a Microsoft server, but the installation failed. The following error message appears in Server Manager. “Installation of one or more roles, role services, or features failed....
ISE can generate PCAP capture very simply(Compared to SPAN), which is really useful for troubleshooting network issue.
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...
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