Network is sues

Five prob­lems that com­monly af­flict home net­works, dis­cussed and solved

Mac|Life - - FEATURE -

> Wi-Fi fre­quency

Fix con­ges­tion is­sues

Th­ese days, many wire­less net­works over­lap due to their num­ber and ex­tended range, which can cause in­ter­fer­ence that man­i­fests with poor per­for­mance and con­nec­tion is­sues at shorter-than-ex­pected ranges. Add in an ever-grow­ing num­ber of de­vices try­ing to share a sin­gle chan­nel and you can see how prob­lems can oc­cur.

If you have an 802.11ac router that can broad­cast on the 2.4GHz and 5GHz bands, which are di­vided into sev­eral nar­rower chan­nels, try mov­ing some de­vices onto the less crowded and con­gested 5GHz band, par­tic­u­larly those close to the router.

2.4GHz net­works also trans­mit over sev­eral over­lap­ping chan­nels — 1 through to 14 in the US — and mov­ing your network to a less crowded one can also have a marked im­pact on per­for­mance. Use Spot­light to find and open Wire­less Di­ag­nos­tics. In that tool, choose Win­dow > Scan. Use the summary page to see which chan­nel is rec­om­mended un­der ‘Best 2.4GHz’, then use your router’s con­fig­u­ra­tion util­ity to switch it to broad­cast on this chan­nel.

You can set Ap­ple’s routers to broad­cast a sep­a­rate 5GHz network in Air­Port Util­ity.

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