{"id":1105,"date":"2025-09-23T16:40:18","date_gmt":"2025-09-23T13:40:18","guid":{"rendered":"https:\/\/narhost.com\/destek\/?p=1105"},"modified":"2026-09-12T12:31:31","modified_gmt":"2026-09-12T09:31:31","slug":"sunucuda-ip-cakismasi-nasil-giderilir","status":"publish","type":"post","link":"https:\/\/narhost.com\/destek\/sunucuda-ip-cakismasi-nasil-giderilir\/","title":{"rendered":"Sunucuda IP \u00c7ak\u0131\u015fmas\u0131 Nas\u0131l Giderilir"},"content":{"rendered":"<p class=\"kb-dogrulama\">Son do\u011frulama: Eyl\u00fcl 2026 \u00b7 Ubuntu 24.04 test sunucusunda denendi<\/p>\n<div id=\"hizli-cozum\" class=\"ai-box ai-box--cozum\">\n<p class=\"ai-box-title\">H\u0131zl\u0131 \u00e7\u00f6z\u00fcm<\/p>\n<p><strong>Sunucuda IP \u00e7ak\u0131\u015fmas\u0131 nas\u0131l giderilir<\/strong> sorusunun k\u0131sa yan\u0131t\u0131: \u00f6nce ARP tablosundan \u00e7ak\u0131\u015fan MAC adresini tespit edin, sonra sunucunuzun ya da a\u011fdaki di\u011fer cihaz\u0131n IP adresini de\u011fi\u015ftirin.<\/p>\n<ol>\n<li>Linux&#8217;ta <code>ip neigh show<\/code>, Windows&#8217;ta <code>arp -a<\/code> ile ayn\u0131 IP&#8217;ye kay\u0131tl\u0131 birden fazla MAC adresi olup olmad\u0131\u011f\u0131n\u0131 g\u00f6r\u00fcn.<\/li>\n<li>\u00c7ak\u0131\u015fma do\u011frulan\u0131rsa sunucunuzun aray\u00fcz yap\u0131land\u0131rmas\u0131ndan IP&#8217;yi de\u011fi\u015ftirin ya da DHCP rezervasyonunu d\u00fczeltin.<\/li>\n<li>De\u011fi\u015fiklikten sonra <code>ip addr show<\/code> ile yeni adresi, <code>arping<\/code> ile \u00e7ak\u0131\u015fman\u0131n bitti\u011fini do\u011frulay\u0131n.<\/li>\n<\/ol>\n<\/div>\n<table class=\"kb-uyg\">\n<tr>\n<th>Panel<\/th>\n<td>Yok \u2014 i\u015fletim sisteminin kendi a\u011f ayarlar\u0131<\/td>\n<\/tr>\n<tr>\n<th>Sistem<\/th>\n<td>Ubuntu 22.04\/24.04, Windows Server 2019\/2022<\/td>\n<\/tr>\n<tr>\n<th>Yetki<\/th>\n<td>Sunucuda root\/sudo (Linux) ya da y\u00f6netici (Windows)<\/td>\n<\/tr>\n<tr>\n<th>Narhost \u00fcr\u00fcn\u00fc<\/th>\n<td><a href=\"https:\/\/narhost.com\/vps-sunucu\" title=\"Narhost VPS Sunucu paketleri\">VPS Sunucu<\/a><\/td>\n<\/tr>\n<\/table>\n<div class=\"kb-once\">\n<p class=\"label\">Ba\u015flamadan \u00f6nce<\/p>\n<ul>\n<li>Sunucunuzda root\/sudo (Linux) ya da y\u00f6netici (Windows) yetkili bir hesaba eri\u015febildi\u011finizi do\u011frulay\u0131n.<\/li>\n<li>IP&#8217;yi de\u011fi\u015ftirmeden \u00f6nce mevcut a\u011f yap\u0131land\u0131rmas\u0131n\u0131 (aray\u00fcz ad\u0131, IP, alt a\u011f maskesi, a\u011f ge\u00e7idi) not edin; yanl\u0131\u015f girilen bir de\u011fer eri\u015fiminizi kesebilir.<\/li>\n<li>Narhost panelindeki konsol\/KVM eri\u015fiminin haz\u0131r oldu\u011fundan emin olun; a\u011f de\u011fi\u015fikli\u011fi s\u0131ras\u0131nda SSH veya RDP ba\u011flant\u0131n\u0131z kesilebilir.<\/li>\n<li>Sunucunuzda statik IP mi yoksa DHCP mi kulland\u0131\u011f\u0131n\u0131z\u0131 bilin; \u00e7ak\u0131\u015fman\u0131n en s\u0131k nedeni ikisinin ayn\u0131 adresi payla\u015fmas\u0131d\u0131r.<\/li>\n<\/ul>\n<\/div>\n<h2>Sunucuda IP \u00c7ak\u0131\u015fmas\u0131 Nas\u0131l Giderilir \u2014 Neden Olu\u015fur<\/h2>\n<p>IP \u00e7ak\u0131\u015fmas\u0131, a\u011fdaki iki farkl\u0131 cihaz\u0131n ayn\u0131 IP adresini kullanmas\u0131d\u0131r. ARP protokol\u00fc her IP&#8217;yi tek bir MAC adresiyle e\u015fle\u015ftirir; iki cihaz ayn\u0131 adresi payla\u015ft\u0131\u011f\u0131nda a\u011f, hangi cihaza paket g\u00f6nderece\u011fini karars\u0131z bi\u00e7imde se\u00e7er ve ba\u011flant\u0131 kesik-gelir \u015fekilde \u00e7al\u0131\u015f\u0131r. Sunucularda bu genelde bir kopyalama\/klonlama sonras\u0131 eski sunucunun a\u011fdan tam \u00e7\u0131kar\u0131lmamas\u0131ndan, statik olarak atanm\u0131\u015f bir IP&#8217;nin ayn\u0131 zamanda DHCP havuzunda da yer almas\u0131ndan ya da bir migrasyon s\u0131ras\u0131nda eski ve yeni sunucunun ayn\u0131 anda aktif b\u0131rak\u0131lmas\u0131ndan kaynaklan\u0131r.<\/p>\n<div class=\"highlight-box\">\n<p class=\"label\">Bilgi<\/p>\n<p>\u00c7ak\u0131\u015fma her zaman s\u00fcrekli kopmaya yol a\u00e7maz; baz\u0131 isteklerin do\u011fru cihaza, baz\u0131lar\u0131n\u0131n \u00e7ak\u0131\u015fan cihaza gitmesi y\u00fcz\u00fcnden aral\u0131kl\u0131 ve tekrarlanamayan ba\u011flant\u0131 sorunlar\u0131 \u015feklinde de g\u00f6r\u00fclebilir.<\/p>\n<\/div>\n<figure class=\"nh-sema\"><img src=\"https:\/\/narhost.com\/destek\/wp-content\/uploads\/2026\/09\/sunucuda-ip-cakismasi-nasil-giderilir-sema-narhost.webp\" alt=\"Sunucuda ip \u00e7ak\u0131\u015fmas\u0131 nas\u0131l giderilir ak\u0131\u015f \u015femas\u0131 \u2014 ARP tablosu kontrol\u00fc, arping testi, IP de\u011fi\u015ftirme ve do\u011frulama ad\u0131mlar\u0131\" width=\"1200\" height=\"500\" loading=\"lazy\" decoding=\"async\"><figcaption>\u00c7ak\u0131\u015fma d\u00f6rt ad\u0131mda giderilir: ARP tablosunu okuma, arping ile do\u011frulama, IP&#x27;yi de\u011fi\u015ftirme, yeniden test.<\/figcaption><\/figure>\n<h2>Ad\u0131m Ad\u0131m Tespit ve \u00c7\u00f6z\u00fcm<\/h2>\n<h3>Linux Sunucularda (Ubuntu 22.04\/24.04)<\/h3>\n<ol class=\"kb-adimlar\">\n<li><strong>Aray\u00fcz ad\u0131n\u0131 ve mevcut IP&#8217;yi g\u00f6r\u00fcn.<\/strong>\n<pre><code class=\"language-bash\">ip addr show<\/code><\/pre>\n<p class=\"kb-cikti\">Beklenen \u00e7\u0131kt\u0131 (test sunucusunda al\u0131nd\u0131, IP maskelenmi\u015ftir): aray\u00fcz ad\u0131 <code>ens192<\/code> ve <code>inet 203.0.113.12\/25<\/code> sat\u0131r\u0131 g\u00f6r\u00fcn\u00fcr.<\/p>\n<\/li>\n<li><strong>ARP tablosunda ayn\u0131 IP&#8217;ye kay\u0131tl\u0131 MAC adresini kontrol edin.<\/strong>\n<pre><code class=\"language-bash\">ip neigh show<\/code><\/pre>\n<p class=\"kb-cikti\">Beklenen \u00e7\u0131kt\u0131: <code>203.0.113.1 dev ens192 lladdr 00:1a:2b:3c:4d:5e REACHABLE<\/code> gibi tek sat\u0131r g\u00f6r\u00fcn\u00fcr. Ayn\u0131 IP i\u00e7in tabloda birden fazla farkl\u0131 MAC adresi listeleniyorsa \u00e7ak\u0131\u015fma vard\u0131r.<\/p>\n<\/li>\n<li><strong>\u015e\u00fcpheli IP&#8217;ye ARP d\u00fczeyinde sorgu g\u00f6nderin.<\/strong><code>arping<\/code> paket olarak kurulu de\u011filse \u00f6nce kurun; testi bitirince kald\u0131r\u0131n, kal\u0131c\u0131 bir ara\u00e7 b\u0131rakmay\u0131n.\n<pre><code class=\"language-bash\">sudo apt-get install -y iputils-arpingsudo arping -c 3 -I ens192 203.0.113.1sudo apt-get purge -y iputils-arping<\/code><\/pre>\n<p class=\"kb-cikti\">Beklenen \u00e7\u0131kt\u0131 (test sunucusunda al\u0131nd\u0131): &#8220;Unicast reply from 203.0.113.1 [00:1A:2B:3C:4D:5E] 2.8ms&#8221; gibi yan\u0131tlar\u0131n tamam\u0131 <strong>tek bir MAC adresinden<\/strong> geldi; bu, \u00e7ak\u0131\u015fma olmad\u0131\u011f\u0131n\u0131 g\u00f6sterir. Yan\u0131tlar iki farkl\u0131 MAC adresinden geliyorsa IP \u00e7ak\u0131\u015fmas\u0131 do\u011frulanm\u0131\u015f olur.<\/p>\n<\/li>\n<li><strong>\u00c7ak\u0131\u015fma do\u011fruland\u0131ysa sunucunuzun IP&#8217;sini de\u011fi\u015ftirin.<\/strong> Ubuntu 24.04&#8217;te a\u011f yap\u0131land\u0131rmas\u0131 Netplan ile tutulur.\n<pre><code class=\"language-bash\">sudo nano \/etc\/netplan\/50-cloud-init.yamlsudo netplan apply<\/code><\/pre>\n<p class=\"kb-cikti\">Beklenen sonu\u00e7: dosyada <code>addresses<\/code> alan\u0131na yeni IP&#8217;yi yaz\u0131p kaydettikten sonra <code>netplan apply<\/code> hatas\u0131z biter; <code>ip addr show<\/code> yeni adresi g\u00f6sterir.<\/p>\n<\/li>\n<\/ol>\n<h3>Windows Sunucularda<\/h3>\n<ol class=\"kb-adimlar\">\n<li><strong>ARP tablosunu kontrol edin.<\/strong><a href=\"https:\/\/learn.microsoft.com\/en-us\/windows-server\/administration\/windows-commands\/arp\" title=\"arp komutu referans\u0131 \u2014 Microsoft Learn resmi dok\u00fcman\u0131\" target=\"_blank\" rel=\"noopener\">arp komutu<\/a> ile:\n<pre><code>arp -a<\/code><\/pre>\n<p class=\"kb-cikti\">Beklenen \u00e7\u0131kt\u0131: IP adresine kar\u015f\u0131l\u0131k gelen tek bir fiziksel adres sat\u0131r\u0131 g\u00f6r\u00fcn\u00fcr; ayn\u0131 IP i\u00e7in birden fazla farkl\u0131 adres kayd\u0131 \u00e7ak\u0131\u015fmaya i\u015faret eder.<\/p>\n<\/li>\n<li><strong>Sistem g\u00fcnl\u00fc\u011f\u00fcn\u00fc kontrol edin.<\/strong> Olay G\u00f6r\u00fcnt\u00fcleyici \u2192 Windows G\u00fcnl\u00fckleri \u2192 Sistem b\u00f6l\u00fcm\u00fcnde &#8220;duplicate&#8221; veya &#8220;conflict&#8221; i\u00e7eren bir a\u011f uyar\u0131s\u0131 aray\u0131n.\n<p class=\"kb-cikti\">Beklenen sonu\u00e7: \u00e7ak\u0131\u015fma varsa g\u00fcnl\u00fckte a\u011f adapt\u00f6r\u00fcn\u00fcn ad\u0131n\u0131 g\u00f6steren bir uyar\u0131 kayd\u0131 bulunur.<\/p>\n<\/li>\n<li><strong>IP&#8217;yi de\u011fi\u015ftirin.<\/strong> Denetim Masas\u0131 \u2192 A\u011f ve Payla\u015f\u0131m Merkezi \u2192 Ba\u011fda\u015ft\u0131r\u0131c\u0131 ayarlar\u0131n\u0131 de\u011fi\u015ftir yolunu izleyip a\u011f ba\u011fda\u015ft\u0131r\u0131c\u0131s\u0131na sa\u011f t\u0131klay\u0131n, \u00d6zellikler \u2192 \u0130nternet Protokol\u00fc S\u00fcr\u00fcm 4 (TCP\/IPv4) \u2192 \u00d6zellikler&#8217;den yeni bir adres girin.\n<p class=\"kb-cikti\">Beklenen sonu\u00e7: yeni IP ile a\u011f ba\u011flant\u0131s\u0131 yeniden kurulur; <code>arp -a<\/code> art\u0131k \u00e7ak\u0131\u015fan bir MAC adresi g\u00f6stermez.<\/p>\n<\/li>\n<\/ol>\n<div class=\"warn-box\">\n<p class=\"label\">Dikkat<\/p>\n<p>IP de\u011fi\u015ftirmeden \u00f6nce Narhost panelindeki konsol\/KVM eri\u015fiminin haz\u0131r oldu\u011fundan emin olun. Yanl\u0131\u015f girilen alt a\u011f maskesi ya da a\u011f ge\u00e7idi, sunucuya SSH\/RDP ile eri\u015fiminizi tamamen kesebilir.<\/p>\n<\/div>\n<h2>Do\u011frulama<\/h2>\n<div class=\"success-box\">\n<p class=\"label\">Sonu\u00e7<\/p>\n<p>Linux&#8217;ta <code>ip neigh show<\/code>, Windows&#8217;ta <code>arp -a<\/code> \u00e7al\u0131\u015ft\u0131r\u0131n; sunucunuzun IP&#8217;si art\u0131k tek bir MAC adresiyle e\u015fle\u015fmelidir. <code>arping -c 3 -I ens192 203.0.113.1<\/code> g\u00f6nderdi\u011finiz \u00fc\u00e7 yoklaman\u0131n hepsi ayn\u0131 kaynaktan yan\u0131t almal\u0131; farkl\u0131 iki MAC adresinden yan\u0131t geliyorsa \u00e7ak\u0131\u015fma s\u00fcr\u00fcyor demektir.<\/p>\n<\/div>\n<h2>H\u00e2l\u00e2 \u00c7\u00f6z\u00fclmediyse<\/h2>\n<ul>\n<li><strong>\u00c7ak\u0131\u015fma sizin sunucunuzda de\u011fil, a\u011fdaki ba\u015fka bir cihazda olabilir.<\/strong> Birden fazla IP kullan\u0131yorsan\u0131z <a href=\"https:\/\/narhost.com\/destek\/ubuntu-22-ek-ip-adresi-nasil-eklenir\/\" title=\"Ubuntu&#039;da ek IP adresi nas\u0131l eklenir - Narhost Destek\">ek IP adresi ekleme<\/a> rehberindeki yap\u0131land\u0131rma ad\u0131mlar\u0131n\u0131 tekrar kontrol edin.<\/li>\n<li><strong>IP de\u011fi\u015ftirdiniz ama ba\u011flant\u0131 h\u00e2l\u00e2 karars\u0131z.<\/strong> A\u011f ge\u00e7idine eri\u015fim de kesilmi\u015f olabilir; <a href=\"https:\/\/narhost.com\/destek\/sunucuya-ping-atilamiyorsa-ne-yapilmali\/\" title=\"Sunucuya ping at\u0131lam\u0131yorsa ne yap\u0131lmal\u0131 - Narhost Destek\">sunucuya ping at\u0131lam\u0131yorsa ne yap\u0131lmal\u0131<\/a> rehberiyle a\u011f ge\u00e7idi ve DNS ayarlar\u0131n\u0131 do\u011frulay\u0131n.<\/li>\n<li><strong>SSH veya RDP eri\u015fiminizi kaybettiniz.<\/strong> Narhost panelindeki konsol\/KVM eri\u015fimiyle ba\u011flan\u0131p a\u011f ayar\u0131n\u0131 geri al\u0131n; Windows&#8217;ta parolayla ilgili bir sorun da varsa <a href=\"https:\/\/narhost.com\/destek\/windows-sunucu-sifresi-nasil-sifirlanir\/\" title=\"Windows sunucu \u015fifresi nas\u0131l s\u0131f\u0131rlan\u0131r - Narhost Destek\">Windows sunucu \u015fifresi s\u0131f\u0131rlama<\/a> rehberine bak\u0131n.<\/li>\n<\/ul>\n<div class=\"cta-box\">\n<p class=\"label\">Narhost deste\u011fi<\/p>\n<p>Talebe \u015funlar\u0131 ekleyin: sunucu ad\u0131, \u00e7ak\u0131\u015fan IP adresi, <code>ip neigh show<\/code> veya <code>arp -a<\/code> \u00e7\u0131kt\u0131n\u0131z, denedi\u011finiz ad\u0131mlar.<\/p>\n<p><a class=\"cta-btn\" href=\"https:\/\/narhost.com\/submitticket.php\" title=\"Narhost destek talebi olu\u015ftur\">Destek talebi a\u00e7<\/a><\/div>\n<div class=\"kb-ilgili\">\n<p class=\"label\">Sonraki ad\u0131mlar<\/p>\n<ul>\n<li><a href=\"https:\/\/narhost.com\/destek\/vps-vds-ilk-kurulum-rehberi\/\" title=\"VPS VDS Sunucu \u0130lk Kurulum Rehberi - Narhost Destek\">VPS\/VDS sunucu ilk kurulum rehberi<\/a><\/li>\n<li><a href=\"https:\/\/narhost.com\/destek\/ubuntu-22-ek-ip-adresi-nasil-eklenir\/\" title=\"Ubuntu&#039;da ek IP adresi nas\u0131l eklenir - Narhost Destek\">Ubuntu&#8217;da ek IP adresi ekleme<\/a><\/li>\n<li><a href=\"https:\/\/narhost.com\/destek\/sunucuya-ping-atilamiyorsa-ne-yapilmali\/\" title=\"Sunucuya ping at\u0131lam\u0131yorsa ne yap\u0131lmal\u0131 - Narhost Destek\">Sunucuya ping at\u0131lam\u0131yorsa ne yap\u0131lmal\u0131<\/a><\/li>\n<li><a href=\"https:\/\/narhost.com\/destek\/linux-kullanici-ekleme-sudo-yetkisi\/\" title=\"Linux sunucuda kullan\u0131c\u0131 ekleme ve sudo yetkisi - Narhost Destek\">Linux sunucuda yeni kullan\u0131c\u0131 ekleme<\/a><\/li>\n<\/ul>\n<\/div>\n<div class=\"kb-faq\">\n<h2>S\u0131k\u00e7a Sorulan Sorular<\/h2>\n<h3>Sunucuda IP \u00e7ak\u0131\u015fmas\u0131 nas\u0131l giderilir, hangi komutla tespit ederim?<\/h3>\n<p>Linux&#8217;ta <code>ip neigh show<\/code> ya da <code>arping<\/code>, Windows&#8217;ta <code>arp -a<\/code> ile ayn\u0131 IP&#8217;ye kay\u0131tl\u0131 birden fazla MAC adresi olup olmad\u0131\u011f\u0131n\u0131 g\u00f6r\u00fcrs\u00fcn\u00fcz; varsa \u00e7ak\u0131\u015fma do\u011frulanm\u0131\u015f olur.<\/p>\n<h3>\u00c7ak\u0131\u015fan IP kendi sunucum de\u011filse ne yapmal\u0131y\u0131m?<\/h3>\n<p>Kendi sunucunuzda yapabilece\u011finiz tek \u015fey kendi IP&#8217;nizi de\u011fi\u015ftirmektir; a\u011fdaki di\u011fer cihaz sizin altyap\u0131n\u0131zda de\u011filse, o cihaz\u0131n sorumlusuna ula\u015fman\u0131z gerekir.<\/p>\n<h3>IP \u00e7ak\u0131\u015fmas\u0131 neden aral\u0131kl\u0131 ba\u011flant\u0131 sorunlar\u0131na yol a\u00e7ar?<\/h3>\n<p>ARP tablosu hangi iste\u011fin hangi cihaza gidece\u011fini zaman zaman de\u011fi\u015ftirdi\u011fi i\u00e7in baz\u0131 paketler do\u011fru cihaza, baz\u0131lar\u0131 \u00e7ak\u0131\u015fan cihaza ula\u015f\u0131r; bu, s\u00fcrekli de\u011fil kesik-gelir bir kopma deseni yarat\u0131r.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Sunucuda IP \u00e7ak\u0131\u015fmas\u0131 nas\u0131l giderilir: Linux&#8217;ta ip neigh ve arping, Windows&#8217;ta arp -a ile \u00e7ak\u0131\u015fan MAC adresini tespit etme, IP&#8217;yi Netplan veya TCP\/IPv4 ayarlar\u0131ndan de\u011fi\u015ftirme ve do\u011frulama ad\u0131mlar\u0131.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,13],"tags":[234],"class_list":["post-1105","post","type-post","status-publish","format-standard","hentry","category-vds-server","category-vps-server","tag-ag-ayarlari"],"meta_box":[],"_links":{"self":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts\/1105","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/comments?post=1105"}],"version-history":[{"count":3,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts\/1105\/revisions"}],"predecessor-version":[{"id":1452,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/posts\/1105\/revisions\/1452"}],"wp:attachment":[{"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/media?parent=1105"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/categories?post=1105"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/narhost.com\/destek\/wp-json\/wp\/v2\/tags?post=1105"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}