The user is typically able to select the desired time interval for performing the network scan and channel switching themselves.This article explains Radio Frequency (RF) channels along with how/why you might want to change them when managing a Cisco Business Wireless (CBW) traditional or mesh network. With Steady State Mode, the AP scans different channels at a set time interval (e.g every 15 minutes of every day) and chooses the channel with the least interference. Like regular Automatic Channel Switching, DCS’ Start-up mode works when an AP starts up for the first time and chooses a channel from the available non-congested, non-overlapping channels.Īll modern DCS-enabled access points have Steady State Mode set by default. every day at 01:00 AM) to scan the environment and perform automatic channel switching to avoid potential network interruptions. Scheduled DCS mode allows the user to set a desirable time of the day (e.g. There are several available methods for dynamic channel switching: With DCS, the router continuously scans the air for the best available channel and switches to it automatically. Since auto-channel switching relies on scanning the air once (when it powers on) the change in the wireless environment in the future could cause channel interference, and prompt sluggish Wi-Fi performance.ĭynamic channel switching helps the user avoid highly congested channels and lets routers and access points (AP) automatically switch to the least crowded channel without any manual input from the user. Many routers feature auto-channel switching (ACS) feature by default, and with this enabled, the router will automatically select the least congested channel for you each time the system boots up. The user then is able to determine the optimal channel based on this analysis for maximum speed and stability. Today, consumers can find various third-party "wireless network analyzer" apps and software online, giving them an overview of network performance, signal strength, and channel congestion. Level on interference caused by non-Wi-Fi devices over the radio channels.
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