Xirmooyinka ama xidhmooyinka shabakadu waa unugyo yar oo xog ah oo dhex mara shabakad. Markaad dirto macluumaadka, xogta ayaa loo jajabiyaa baakado yaryar, ka dibna dib ayaa loogu daraa dhinaca kale. Khasaaraha xirmooyinkan waxaa loo yaqaannaa Khasaarida Xirmooyinka^{(Packet Loss)} , ie, ma aysan gaarin meeshii ay u socdeen. Xirmooyinkani waxay dhex mari karaan nooc kasta oo shabakad ah - WiFi ama Ethernet . Khasaaraha ka soo gaadhay Shabakadda WiFi^{(WiFi Network)} aad ayuu u badan yahay, qoraalkan, waxaanu kaga hadli doonaa waa maxay Xidhmada WiFi ee khasaaraha^{(WiFi Packet Loss)} iyo sidee baad u tijaabisaa oo u hagaajisaa?

Waa maxay Khasaaraha Xidhmada WiFi?

Waxaa jira sababo badan oo khasaaraha xirmo WiFi u dhici karaa. Waxay noqon kartaa faragelinta soo noqnoqda raadiyaha, calaamad daciif ah, masaafada u dhaxaysa isha iyo ishaarada, iyo xitaa fiilooyinka iyo qalabka khaldan. Maaddaama ay calaamaddu ku jirto hawada, fursadaha luminta xogta ayaa xitaa ka sarreeya. Mahadsanid tignoolajiyadu waxay ku horumartay il iyo soo dhawayn wanaagsan, laakiin khasaaraha xogta weli way dhacdaa.

Lumitaanka xirmo badan ayaa hoos u dhigi kara khibradda internetka. Markaa haddii internet-kaagu si fiican u shaqeeyo, halkan waxaa ah siyaabo aad ku tijaabin karto oo aad u hagaajin karto Khasaaraha Xidhmada WiFi^{(WiFi Packet Loss)} .

Sida loo tijaabiyo loona hagaajiyo Khasaaraha Xidhmada WiFi^{(WiFi Packet Loss)}

Kahor intaanan bilaabin tijaabinta, haddii wax walba ay fiican yihiin, waxaad ku hari doontaa laba ikhtiyaar. Fiilooyinka iyo qalabka khaldan ^(Faulty)Waa shay lagu ogaan karo in la beddelo fiilooyinka iyo router-ka ama soo-celinta.

Tijaabinta iyo ogaanshaha Khasaaraha Xidhmada

Marka xogta la diro, waxay ka soo boodaa shabakad ilaa mid kale. Luminta xogta^(Data) waxay dhacdaa inta u dhaxaysa boodboodka ama marka ay jirto ciriiri ah isgoyska. Si aad u ogaato meesha uu ka dhacayo khasaaraha baakidhku, waa in la ogaadaa qaybaha isku xidhka ee gaabis ah, iyo shabakadaha ayaa keenaya dhibaatada.

1] Traceroute iyo Ping

Traceroute waa amar halkaas oo xogta muunad loo diro halka loo socdo, natiijada hop kasta oo ay la socoto cinwaanka IP-ga ayaa la soo bandhigayaa. Haddii ay jirto xog lumis, waxaa lagu calaamadin doonaa xiddig, ka dibna waxaa ku xigi doona codsi waqtigoodu dhammaaday. Natiijooyinka raadraaca, kuwa ugu horreeya ee ay boodaan waxay ka imanayaan kombuyuutarkaaga oo ay u gudbaan router, ka dibna u aadaan server-kaaga ISP . Haddii aad wakhti ku aragto waddooyinkan, waxaad ogaataa in dhibaatadu dhinacaaga ku jirto.

Ping, dhanka kale, waa in la ogaado haddii martigeliyaha la heli karo iyo in la cabbiro inta ay jawaabtu qaadanayso. Faa'iidada isticmaalka ping-ka ayaa ah inaad fikrad ka hesho boqolkiiba khasaaraha xogta.

2] Kormeeraha Shabakadda Microsoft

Waa aalad bilaash ah oo laga heli karo Windows (netmon.exe) halkaas oo aad doorato adabtarada shabakadda, oo aad bilowdo qabashada xogta ka baxaysa, iyo kumbuyuutarka. Waxay waxtar u leedahay qabashada, soo bandhigida, iyo falanqaynta borotokoolka fariimaha gaadiidka iyo fariimaha nidaamka kale. Waxay labadaba xallin kartaa oo tijaabin kartaa hirgelinta borotokoolka. Faa'iido^(Useful) u leh faa'iidooyinka.

Marka laga reebo kuwan, waxaad ka hubin kartaa liiska agabka Kormeerka Shabakadda ee bilaashka ah, ^{(free Network Monitoring Tools,)} Maareeyayaasha Shabakadda,^{(Network Managers,)} iyo eToolz

Hagaajinta Khasaaraha Xidhmada WiFi

Fogaanta u dhaxaysa isha iyo ishaarka

Mid ka mid ah sababaha aasaasiga ah ee khasaaraha xirmada shabakadu u dhacdo waa in masaafada u dhaxaysa isha iyo ishaadu ay aad u weyn tahay. Haddii qalabkaaga, laptop-ka ama telefoonka, uu fog yahay ama uu ku yaal meel kulul oo indho la'aan ah, markaa waxay keeni doontaa khasaaro badan oo xirmo ah. Waxaa jira laba xal. Waxaad dooran kartaa in lagu xiro isha, ama waxaad ku dari kartaa soo-celiyeyaasha ama waxaad heli kartaa router awood leh si aad u hubiso in meelaha indhoolaha ah ay daboolan yihiin.

Mesh Routers waa tusaale wanaagsan oo kaa caawin kara inaad daboosho meelo badan. Router-yada qaarkood waxay bixiyaan apps iyo adeegyo kaa caawin kara inaad ogaato aagga daboolan iyo meelaha indho la'aanta ah.

Faragelinta Joogtada Raadiyaha

Kuwani waa sababta ugu weyn ee lumista xogta. Router-yada waxaa loo ogolyahay inay ku shaqeeyaan inta u dhaxaysa 2.4GHz iyo 5GHz. Halka kii hore uu bixiyo noocyo kala duwan, kan dambe wuxuu bixiyaa awood ka sii wanaagsan. Taasi waxay tidhi, aaladaha wirelessku waxay raacaan heerarka 802.11 (a/b/g/n/ac).

Qaadashada tusaale ahaan dhismaha, haddii ay jiraan aalado badan oo raadiyaha ku jira xadkan, markaas hoos u dhaca baakidhku waa hubaal inuu dhaco. Marka aaladda guriyeynta ee 802.11 ay maqasho calaamad kale oo dhexda u jirta iyo ku dhawaad ​​isla jihada, waxay dib u dhigtaa gudbinta ilaa ay calaamaddu daciifto ama joogsato. Haddii la joojiyo marar badan, markaa waxay dhalin doontaa codsi dib-u-gudbin ah, taas oo hoos u dhigta waxqabadka iyo soo-saarka.

Dhibaatadan waxaa lagu xaliyay heerka 802.11n. Waxay isticmaashaa raadiyowyo badan oo ka imanaya hal dhibic oo laga heli karo si ay isku mar u gudbiso dhowr ilbiriqsi oo WiFi ah oo jihooyin kala duwan ah. Tani waxay kordhinaysaa fursadaha gudbinta xogta iyada oo aan khasaare lahayn.

Markaa xalka ugu habboon ayaa ah in loo cusboonaysiiyo router-ka caqli badan, kaas oo keenaya   Saamiga ^(Ratio)Signal-to-Noise ( SNR ) . Faa'iidada sii kordheysa ee hal dhinac lagama yaabo inay gooyso, markaa waxaad u baahan tahay router leh habab anteeno la qabsi ah iyo algorithms software si aad faa'iidada u hesho.

la xidhiidha: ^{(Related: )}Sida loo kordhiyo xawaaraha WiFi iyo xoogga ishaarada iyo aagga daboolka^{(How to Increase WiFi Speed and Signal strength and coverage area)}

Kor u qaad ama beddel fiilooyinka Ethernet

Haddii aad ku shaqaynayso fiilo shabakad router muddo aad u dheer, waxaa laga yaabaa inaad rabto inaad cusboonaysiiso. Tusaale ahaan, qaybta Cat 5 waxay bixisaa xawaraha 100 MBPS halka Cat 6a ay bixiso 10000 MPBS 100 mitir kasta.

Luminta xirmada WiFi^(WiFi) ee shabakada maaha wax cusub, laakiin iyada oo qalabyo badan oo WiFi ah oo ku wareegsan, isticmaalka warbaahinta sare, waxay noqotay mid aad u badan. Baahida loo qabo router ka caqli badan labadaba software iyo heerka hardware waa baahida maalinta. Waxaan rajeynayaa in boostada ay fududahay in la raaco, oo aad awooday inaad xalliso ama qiyaasto waxa sababay  Khasaaraha Xidhmada WiFi^{(WiFi Packet Loss)} .

Akhriska la xidhiidha: ^{(Related read:)} Beddel dareenka socodka WiFi si loo horumariyo soo dhawaynta WiFi & waxqabadka.^{(Change WiFi Roaming Sensitivity to improve WiFi reception & performance.)}

What is WiFi Packet Loss and how do you test and fix it?

Packets or network packеts are small units of data that passes through a network. When you send information, the data is broken into smallеr packets, and then recombined at thе other end.  The loss of these packets is cаlled Packet Loss, i.e., they did not reach their dеstination.  These packets cаn pasѕ through any type of network— WiFi or Ethernet. The loss through WiFi Network is substantially more, and in this post, we will talk about what is WiFi Packet Loss and how do you test and fix it?

What is a WiFi Packet Loss?

There are many reasons why WiFi packet loss can happen. It can be radio frequency interference, weak signal, the distance between source and signal, and even faulty cables and hardware. Since the signal is in the air, the chances of data loss are even higher. Thankfully the technology has advanced with better source and reception, but data loss still happens.

Too many packet loss can slow down the internet experience. So if your internet is working fine, here are some ways you can test and fix the WiFi Packet Loss.

How to test and fix WiFi Packet Loss

Before we start testing, if everything is fine, you will be left with two options. Faulty cables and hardware. It is something that can be diagnosed by changing the wires and router or repeater.

Testing and Diagnosing Packet Loss

When data is sent, it hops from one network to another. Data loss happens between the jumps or when there is congestion at the junction. To find out where the packet loss is happening, one has to find out which parts of connection are slow, and networks are causing the problem.

1] Traceroute and Ping

Traceroute is a command where a sample data is sent to the destination, and the result for each hop along with IP address is displayed. If there is a data loss, it will be marked by star, and then followed by request timed out. In the traceroute results, the first their initial jumps are from your computer to router, and then to your ISP server. If you see time out in these paths, you know the problem is on your side.

Ping, on the other hand, is to find out if the host is available and to measure how long the response takes. The advantage of using the ping is you get an idea of the percentage of data loss.

2] Microsoft Network Monitor

It’s a free tool available in Windows (netmon.exe) where you select the network adapter, and start capturing data which is going out, and in the computer. It is helpful for capturing, displaying, and analyzing protocol messaging traffic and other system messages. It can both troubleshoot and test protocol implementations. Useful for pros.

Apart from these, you can check out the list of free Network Monitoring Tools, Network Managers, and eToolz

Fixing WiFi Packet Loss

Distance between Source and Signal

One of the primary reasons why network packet loss happens is that the distance between source and signal is too large. If your device, a laptop or phone, is far away or is in a blind hotspot, then it will result in a lot of packet loss.  There are two solutions. You can choose to get closure to the source, or you can add repeaters or get a powerful router to make sure the blind spots are covered.

Mesh Routers are a good example which can help you cover more area. Some routers offer apps and services that can help you figure out coverage area and blind spots.

Radio Frequency Interference

These are the biggest cause of data loss. The routers are allowed to operate within the range of 2.4GHz and 5GHz range. While the former delivers a wide range, the later offers better strength. That said, the wireless devices follow 802.11 standards (a/b/g/n/ac).

Taking an example of a building, if there are too many radio devices in this range, then packet drop is bound to happen. When an 802.11 housing device hears another signal in the range and in almost the same direction, it defers transmission until the signal has weakened or ceased. If interrupted too often, then it will result in a request for retransmission, which lowers performance and throughput.

This problem has been resolved with the 802.11n standard. It uses multiple radios from a single access point to simultaneously transmit several WiFi streams in different directions. This increases the chances of data transmission without loss.

So the ideal solution is to upgrade to the smarter router, which delivers  Signal-to-Noise (SNR) Ratio.  The increasing gain in one direction may not cut, and hence you need a router with adaptive antenna arrays and software algorithms to get the gain.

Related: How to Increase WiFi Speed and Signal strength and coverage area

Upgrade or Replace Ethernet Cables

If you are running a network cable to the router for a very long time, you may want to upgrade it. For example, Cat 5 category offers 100 MBPS speed while Cat 6a offers 10000 MPBS every 100 meters.

WiFi packet loss over the network is nothing new, but with so many WiFi devices around,  high media consumption, it has become more common. The need for smarter router both on software and hardware level is the demand of the day.  I hope the post was easy to follow, and you were able to resolve or figure what was causing the WiFi Packet Loss.

Related read: Change WiFi Roaming Sensitivity to improve WiFi reception & performance.

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