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Autonomous AP- Client ARP Caching
You can configure AP to maintain an ARP cache for associated client devices. Maintaining an ARP cache on AP reduces the traffic load on WLAN by stopping ARP requests for client devices at the AP....
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H-REAP Modes of Operation
H-REAP capable AP operates in these two different modes: 1. Connected mode: A H-REAP is said to be connected mode when its CAPWAP control plane link to WLC is up & operational. 2. Standalone mode:...
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Where R U ? Command Reference !
It is really important to know where the command reference guides are within CCO page. If you come across a configuration task where you do not know exact commands to configure that, command reference...
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* OEAP with Multiple Remote LANs
Normally Cisco Office Extend AP (OEAP600) allow user to extend their office network into any public place (like home, event venue, etc) without much trouble.This AP has 4 ports (excluding WAN port)...
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* Sign in My Post Headings
You may wonder certain posts in my blog start with * sign. Is there any meaning for this ? When I started my blog in April 2012, purely it was for my CCIE wireless v2.0 lab exam preparation. This is...
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H-REAP with RADIUS
In the previous post we looked at H-REAP modes with WPA2-PSK. In this post we will see how to configure H-REAP (for Local Authentication) with external RADIUS server. I have slightly modified my...
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How does OEAP work ?
This post will give you a little bit insight of the packet flow when an Office Extend Access Point (OEAP) register to a WLC & strat to work. I have disabled encryption which will allow me to see...
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Passive Clients
Passive clients are wireless devices, such as scales & printers that are configured with static IP address. These clients do not transmit any IP information such as IP address, mask, gateway...
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Troubleshooting Wireless LAN
I went to a CiscoLive2013-Melbourne breakout session about Troubleshooting WLAN done by Surendra BG- Sr wireless TAC Enginner. It was very informative & show us how to troubleshoot wireless issues...
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* Review of WLC Netflow with Scrutinizer
I have done some netflow product evaluation specific to Cisco wireless LAN controller traffic. Cisco introduced this netflow feature on WLC 7.4.100.0 code with AVC (Application Visibility &...
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Downgrading WLC software
Normally downgrading WLC software code is not recommended. Specially from one major version to another as feature set may not compatible & downgrade process may not happen smoothly. But in certain...
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WLC – Access Control List (ACL)
There are two types of ACL available in WLC. CPU ACL & Interface ACL Here are the basic rules for ACL on a WLC. 1. Direction : There are 3 directions. Inbound, Outbound and Any.These directions are...
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Emotions into your Blog
Recently I found how to add some emotions to my blog posts. so you may see some smiley faces in my recent posts. For example if you type “:)” or “:-)” (without inverted commas) in your blog post, it...
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RRM Basics
Radio Resource Management(RRM) is a hard topic to understand. Following videos from Jerome Henry will help you a lot to get an overview of this topic. I highly recommend view these few times to get...
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Configuring RRM
In this post we will see how to configure RRM on a cisco WLC. APs send neighbor messages every 60s at max power, at lowest data rate and on all serviced channels to the multicast address of...
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Configuring DCA
Dynamic Channel Assignment (DCA) handled by RF group leader for a particular RF group. DCA algorithm takes following information into account 1. Load Measurement (Every AP measure the % total time...
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Wireless Mobility Basics
A mobility even occur if a client roams between access points. As wireless clients move between APs on the same controller and APs join to different controller within the network four different types...
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Configuring Mobility on WLC
In this post we will see how to configure mobility in Cisco WLC environment. Here is the topology where we have two WLCs. LWAP-02 register for WLC1 & LWAP-03 registers for WLC2. First of all you...
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Configuring TPC
Controllers use the TPC (Tx Power Control) algorithm to determine whether the power of an AP needs to be adjusted down. Reducing the power of an AP helps mitigate co-channel interference with another...
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Configuring Coverage Hole Detection (CHD)
The controller uses the quality of client signal levels reported by the APs to determine if the power level of that AP needs to be increased. Coverage Hole Detection (CHD) is controller independent, so...
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