Markaad ku xidho shabakad maxalli ah, ha ahaato WiFi ama ethernet^{(WiFi or ethernet)} , DHCP (DhCP ( Dynamic Host Configuration Protocol ) server ee router kaaga ayaa soo saari doona qalabkaaga ciwaanka IP. Tani waxay ku siinaysaa qalabkaaga aqoonsi u oggolaanaya aaladaha kale inay helaan oo ku xidhmaan. Caadiyan, ciwaanka IP-gani waxa uu jiraa ilaa 24 saacadood ka hor inta aanu dhicin.

Tan waxa u sabab ah wakhtiga kirada ee DHCP . Tani waxay u oggolaaneysaa shabakada maxalliga ah inay dib u dejiso cinwaannada IP-yada aaladaha ka go'ay in muddo ah aaladaha kale, sii daaya cinwaannada IP-yada aaladaha kale ee laga yaabo inay ku xirmaan (haddii aadan siin IP-ga taagan^{(static IP)} ). 

Waa maxay wakhtiga ijaarka DHCP & ma in la badalaa?^{(What Is DHCP Lease Time & Should It Be Changed?)}

Haddii aan si kale loo sheegin, router-ka caadiga ah ee shabakadda wuxuu u qaadan doonaa in xiriir kasta oo lala sameeyo uu yahay ku meel gaar. Qalabkaaga waxa u qoondeeyay IP-ga serfarka DHCP oo uu ku lifaaqan yahay wakhtiga kiraynta. Haddii qalabkaaga aan la arkin ka dib wakhtigaas dhacayo, heshiisku wuu dhacayaa, iyo cinwaanka IP-ga waxaa loo fasaxay qalabyada kale si ay u isticmaalaan.

Waqtiga kirada DHCP waa wakhtiga la siiyay heshiisku inuu sii jiro ka hor inta aanu dhicin. Sidaan soo sheegnay, 24 saacadood waa wakhtiga kiraynta caadiga ah ee ay bixiyaan shabakadaha aaladaha ku xidhan, laakiin kani waa qiime caadi ah oo aan ku haboonayn shabakadaada.

Waad bedeli kartaa qiimahan, si kastaba ha ahaatee. Haddii aad u waddo shabakad furan ama mid guud si ay dadka kale ugu xidhmaan, waxa laga yaabaa inaad filayso xidhiidho tiro badan oo wakhti gaaban ah. Tani waa meesha wakhtiga kiraynta yar ay macno samaynayso, iyada oo la buuxinayo barkadda ciwaannada IP-ga ee bilaashka ah iyo u oggolaanaysa aaladaha cusub inay ku xidhmaan.

Waqtiga ijaarka ee aad isticmaashid wuxuu ku xiran yahay baahidaada. Waxaad u isticmaali kartaa hal saac shabakad WiFi^(WiFi) makhaayad ilaa 12 saacadood shabakada xafiiska martida, tusaale ahaan.

Waxaad u baahan doontaa gelitaanka maamul ee routerkaaga si aad awood ugu yeelatid inaad beddesho goobahan. Inta aad ka arki karto wakhtiga ijaarka DHCP ee hadda kombayutarkaaga ama ^(DHCP)Mac , bedelida waxay u baahan doontaa gelitaanka router kaaga.

Sida loo arko wakhtiga kiraynta DHCP Windows 10^{(How To View DHCP Lease Time On Windows 10)}

Waxaad ku arki kartaa wakhtiga kiraynta DHCP ee PC ^(DHCP)Windows adiga oo isticmaalaya Windows PowerShell , beddelka khadka taliska ee Windows 10 .

• Si aad u furto daaqada PowerShell , midig-guji menu-ka Start Windows^{(Windows Start)} oo taabo Windows PowerShell (Admin) . Tani waxay bilaabi doontaa terminalka PowerShell oo leh mudnaanta maamul.

• Daaqadda PowerShell, ku qor ipconfig /all . Tani waxay liis gareyn doontaa dhammaan macluumaadka la xidhiidha isku xirka shabakadaada hadda, oo ay ku jiraan arrinta heshiiskaaga DHCP iyo wakhtiyada uu dhacayo. ^(DHCP)Adabtarada shabakadaada, raadi qiimayaasha Helay^{(Lease Obtained )} iyo Lease^{(Lease Expires)} dhacay .

Macluumaadkan, waxaad go'aamin kartaa wakhtiga heshiiska. Tusaalaha kore, wakhtiga heshiisku waa 24 saacadood ka dib marka ugu horeysa ee heshiiska la soo saaro. Muddadani waxa laga yaabaa inay ka gaaban tahay ama ka dheeraato xidhiidhkaaga, iyadoo ku xidhan qaabaynta shabakadaada.

Sida loo arko wakhtiga ijaarka DHCP ee macOS^{(How To View DHCP Lease Time On macOS)}

Mac -ka , waxaad ku arki kartaa wakhtiga kiraynta DHCP adoo isticmaalaya abka  Terminalka ku dhex jira.^(Terminal)

• Waxaad bilaabi kartaa Terminal- ka abka adigoo gujinaya Launchpad > Other > Terminal ka Dockka^(Dock) hoose ee shaashaddaada.

• Waxaad u baahan doontaa inaad ogaato magaca aaladda aaladdaada shabakada macOS. Si tan loo sameeyo, ku qor networksetup -listallhardwareports daaqada Terminalka^(Terminal) oo ku dhufo gal. Tani waxay liis gareyn doontaa magaca iyo cinwaanka MAC ee dhammaan aaladaha shabakadda.

• Markaad haysato magaca qalabkaaga, waxaad ka heli kartaa wakhtiga ijaarka DHCP ee hadda adiga oo ku qoraya ^(DHCP)ipconfig getpacket en0 , adigoo ku beddelaya en0 magacaaga qalabkaaga. Tani waxay taxaysaa macluumaadka kala duwan ee ku saabsan xidhiidhkaaga. Waqtiga ijaarka DHCP waxa lagu qori doonaa ku xiga doorashada lease_time (uint32) .

Waqtiga ijaarka DHCP waxa lagu tusi doonaa halkan isagoo ah 16 qiimaha hexadesimal. Waxaad u baahan doontaa inaad qiimayaashan^{(convert these values)} u beddesho tiro jajab tobanle ah. Tusaale ahaan, xidhiidhka sare waxa uu leeyahay hexadecimal DHCP kiraysi^(0x15180) 0x15180 . Tani waxay u beddeshaa 86400 , dhererka heshiiska kirada ilbiriqsiyo, oo u dhiganta 24 saacadood^{(24 hours)} .

Beddelka Wakhtiyada Kiraynta DHCP ee Shabakadda Maxalliga ah^{(Changing DHCP Lease Times On A Local Network)}

Suurtagal maaha inaad bedesho wakhtiga kiraynta DHCP ee shabakadaha shabakadaha qalabkaaga sababtoo ah tan waxaa maamula serverka DHCP kaas oo u qoondeeya cinwaanada IP, kaas oo badanaa ah routerkaaga. Waxaad u baahan doontaa inaad maamul ahaan geliso routerkaaga si aad tan u beddesho.

Caadi ahaan waxaad ku xidhi kartaa routerkaaga adigoo ku dhejinaya http://192.168.1.1 ama http://192.168.0.1 browserka webka markaad ku xiran tahay shabakada. Waxaa laga yaabaa inaad u baahato inaad hubiso buug-gacmeedka routerkaaga si aad u go'aamiso haddii tani tahay habka saxda ah ee lagu xidhi karo, iyo sidoo kale inaad go'aamiso isticmaaleha maamulka iyo erayga sirta ah si aad u gasho.

Marka aad saxiixdo, waxaad u baahan doontaa inaad raadiso Network/ LAN Settings ku habboon ama aagga Settings DHCP^{(DHCP Settings)} ee ku yaal menu-ka dejinta routerkaaga. Haddii aad tan heli waydo, kala tasho buug-gacmeedkaaga isticmaale talo dheeraad ah.

Qiimaha heshiiska kirada DHCP waxaa loo magacaabay siyaabo kala duwan. Tusaale ahaan, TP-Link router, qiimahan waxaa loo yaqaan wakhtiga kiraynta cinwaanka^{(address lease time)} . Waxaad ku dejin kartaa tan daqiiqado gudahood nooca router-ka, ilaa ugu badnaan 2880 (oo u dhiganta 48 saacadood^{(48 hours)} ). Router-yada kale waxay lahaan doonaan muddo dheer ama ka gaaban muddada ugu badan ee heshiiska.

U beddel qiimaha si habboon, ka dibna u badbaadi dejimahaaga. Marka qiimaha heshiiska DHCP la beddelo, wakhtiga heshiiska cusub waxa loo soo saari doonaa qalabkaaga si waafaqsan.

Sida Loo Cusbooneysiiyo Heshiiska DHCP^{(How To Renew a DHCP Lease)}

Haddii aad beddeshay wakhtiga heshiiskaaga DHCP , waxaad ku qasbi kartaa qalab kasta oo ku xidhan inay sii daayaan heshiiska IP-ga ee jira^{(release the existing IP lease)} oo aad dib u cusboonaysiiyaan. Tani waxay ogolaan doontaa wixii isbeddel ah ee ku yimaada macluumaadkaaga ijaarka DHCP in isla markiiba la dabaqo.

• Si tan loo sameeyo Windows 10 PC, fur daaqada Windows PowerShell adiga oo midigta gujinaya Start menu oo riixaya Windows PowerShell (Admin ).

• Daaqadda furan ee PowerShell , ku qor ipconfig /release . Tani waxay sii dayn doontaa heshiiska IP-ga ee jira oo ay jarayso.

• Ku qor ipconfig /renew si aad dib ugu soo celiso xiriirkii. Shabakadda DHCP server ayaa soo saari doonta heshiis kiro cusub markan.

• On macOS, waxaad tan ka samayn kartaa menu Xulashada Nidaamka . ^{(System Preferences)}Riix astaanta Apple^{(Apple icon )} ee ku taal bar menu-ka, ka dibna dhagsii Xulashada Nidaamka^{(System Preferences)} .

• In the menu Preferences System^{(System Preferences)} , riix Network . Ka dooro isku xirka shabakadaada liiska gacanta bidix, ka dibna tabo Advanced .

• Gudaha menu Network Advanced^{(Advanced Network)} , taabo TCP/IP tab. Riix badhanka Cusbooneysii DHCP^{(Renew DHCP Lease)} si aad u siidaayo oo aad si toos ah ugu cusboonaysiiso heshiiskaaga IP-ga.

Tani waxay qaadan doontaa dhowr ilbiriqsi in la dhammaystiro. Marka la dhammeeyo, cinwaankaaga IP-ga ayaa cusboonaysiin doona si loo xaqiijiyo cinwaankaaga IP-ga, laakiin waxaad u baahan doontaa inaad socodsiiso ipconfig getpacket en0 (ku beddelka en0 xidhiidhkaaga) abka Terminalka^(Terminal) si aad u hubiso wakhtiga heshiiska kirada ee hadda.

Maamulka Shabakadda saxda ah ee gudaha Windows 10^{(Correct Network Management In Windows 10)}

Waqtiga ijaarka DHCP ee loo qoondeeyay aaladaha shabakada waa qayb lama huraan u ah sida shabakadaadu u shaqeyso. Haddii aad la halgamayso isku dhacyada ciwaanka IP-ga^{(IP address conflicts)} , si kastaba ha ahaatee, waxa aad ogaan kartaa in ay fiicantahay in aad ku meelayso IP-ga taagan aaladaha aad si joogto ah u isticmaasho.

Qaar badan oo ka mid ah goobahan waxay u baahan yihiin in lagu habeeyo routerkaaga, laakiin Windows ayaa kuu oggolaan doonta inaad beddesho dejimaha shabakadda naftaada-kaliya u diyaargarow isku dhacyada haddii goobahaagu aysan ku habboonayn routerkaaga. Tani waxay kaa ilaalin kartaa inaad ku aragto kombiyuutarada kale ee shabakadaada^{(seeing other computers on your network)} , markaa hubi inaad laba jeer hubiso goob kasta oo aad wax ka beddesho marka hore.

What Is DHCP Lease Time And How To Change It

When you connect to a local network, either by WiFi or ethernet, a DHCP (Dynamic Host Configuration Protocol) server on your network router will issue your device with an IP address. This gives your device an ID that allows other devices to locate and connect to it. Usually, this IP address lasts for around 24 hours before it expires.

This is due to the DHCP lease time. This allows a local network to reallocate IP addresses from devices that have been disconnected for a while to other devices, freeing up IP addresses for other devices that may connect (unless you give them a static IP). 

What Is DHCP Lease Time & Should It Be Changed?

Unless otherwise specified, a typical network router will assume that any connection made to it is temporary. Your device is assigned an IP by the DHCP server with a lease time attached. If your device isn’t seen after that period expires, the lease expires, and the IP address is freed for other devices to use.

The DHCP lease time is the time given for a lease to remain active before it expires. As we’ve mentioned, 24 hours is the usual lease time issued by networks for connected devices, but this is a standard value that might not be appropriate for your network.

You can change this value, however. If you’re running an open or public network for others to connect to, you might expect a large number of short-term connections.  This is where a smaller lease time would make sense, keeping the pool of free IP addresses replenished and allowing new devices to connect.

The lease time you use depends on your own needs. You could use an hour for a restaurant WiFi network to 12 hours for a guest office network, for instance.

You’ll need administrative access to your network router to be able to change these settings. While you can view the current DHCP lease time on your PC or Mac, changing it will require access to your router.

How To View DHCP Lease Time On Windows 10

You can view the DHCP lease time for a Windows PC by using the Windows PowerShell, the replacement for the command line on Windows 10.

• To open a PowerShell window, right-click the Windows Start menu and press Windows PowerShell (Admin). This will launch a PowerShell terminal with administrative privileges.

• In the PowerShell window, type ipconfig /all. This will list all relevant information about your current network connections, including your DHCP lease issue and expiry times. For your network adapter, look for the Lease Obtained and Lease Expires values.

From this information, you can determine the lease time. In the example above, the lease expiry time is exactly 24 hours after the lease was first issued. This period may be shorter or longer for your connection, depending on your own network configuration.

How To View DHCP Lease Time On macOS

On a Mac, you can view DHCP lease time using the built-in Terminal app. 

• You can launch the Terminal app by clicking Launchpad > Other > Terminal from the Dock at the bottom of your screen.

• You’ll need to know the device name for your network device on macOS. To do this, type networksetup -listallhardwareports in the Terminal window and hit enter. This will list the name and MAC address for all network devices.

• Once you have your device name, you can find the current DHCP lease time by typing ipconfig getpacket en0, replacing en0 with your own device name. This will list various information about your connection. The DHCP lease time will be listed next to the lease_time (uint32) option.

The DHCP lease time will be shown here as a base-16 hexadecimal value. You’ll need to convert these values to a standard decimal number. For instance, the connection above has a hexadecimal DHCP lease value of 0x15180. This converts to 86400, the length of the lease in seconds, which is equivalent to 24 hours.

Changing DHCP Lease Times On A Local Network

It isn’t possible to change the DHCP lease time in your device’s network settings as this is controlled by the DHCP server that allocates IP addresses, which is usually your network router. You’ll need to have administrative access to your router to change this.

You can usually connect to your network router by typing http://192.168.1.1 or http://192.168.0.1 in a web browser while connected to the network. You may need to check the manual for your router to determine if this is the correct way to connect, as well as determine the admin username and password to log in.

Once you’ve signed in, you’ll need to look for the appropriate Network/ LAN Settings or DHCP Settings area in your router’s settings menu. If you can’t find this, consult your user manual for further advice.

The DHCP lease value is named in various ways. For instance, on a TP-Link router, this value is called the address lease time. You can set this in minutes for this type of router, up to a maximum of 2880 (the equivalent of 48 hours). Other routers will have longer or shorter maximum lease periods.

Change the value accordingly, then save your settings. Once the DHCP lease value has been changed, the new lease time will be issued to your devices accordingly.

How To Renew a DHCP Lease

If you’ve changed your DHCP lease time, you can force any connected devices to release the existing IP lease and renew it. This will allow any changes to your DHCP lease information to be applied immediately.

• To do this on a Windows 10 PC, open a Windows PowerShell window by right-clicking the Start menu and pressing Windows PowerShell (Admin).

• In the open PowerShell window, type ipconfig /release. This will release the existing IP lease and disconnect.

• Type ipconfig /renew to reestablish the connection. The network DHCP server will issue a new lease at this point.

• On macOS, you can do this from the System Preferences menu. Press the Apple icon on the menu bar, then click System Preferences.

• In the System Preferences menu, press Network. Select your network connection in the left-hand menu, then press Advanced.

• In the Advanced Network menu, press the TCP/IP tab. Click the Renew DHCP Lease button to release and renew your IP lease automatically.

This will take a few seconds to complete. Once completed, your IP address will update to confirm your IP address, but you’ll need to run ipconfig getpacket en0 (replacing en0 with your own connection) from the Terminal app to check the current lease time.

Correct Network Management In Windows 10

The DHCP lease time allocated to devices on a network is an essential component in how your network works. If you’re struggling with IP address conflicts, however, you may find that it’s better to assign a static IP to devices that you use regularly.

Many of these settings need to be configured on your network router, but Windows will allow you to change network settings yourself—just be prepared for conflicts if your settings don’t match your router. This might prevent you from seeing other computers on your network, so be sure to double-check any settings you modify first.

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