[{"id":309,"title":"Layer 3 Switch \u00dczerinde Routing \u0130\u015flemi Yap\u0131lan Topoloji","content":"Layer 3 Switch \u00dczerinde Routing \u0130\u015flemi Yap\u0131lan Topoloji   Layer 3 switch'lerin routing (y\u00f6nlendirme) i\u015flemi yapt\u0131\u011f\u0131 bir a\u011f topolojisi genellikle \u015fu \u015fekildedir: ## Temel Topoloji \u00d6rne\u011fi ``` ------------ | --- ``` ## Topoloji \u00d6zellikleri 1. **Layer 3 Switch Merkezde**: - VLAN'lar aras\u0131 routing yapar - Hem switching (L2) hem routing (L3) fonksiyonlar\u0131 bulunur - Genellikle kurumsal a\u011flar\u0131n omurgas\u0131nda kullan\u0131l\u0131r 2. **VLAN Yap\u0131land\u0131rmas\u0131**: - Her VLAN farkl\u0131 bir IP alt a\u011f\u0131na sahiptir - \u00d6rnek: - VLAN 10: 192.168.10.0\/24 - VLAN 20: 192.168.20.0\/24 3. **Routing \u0130\u015flemleri**: - Inter-VLAN routing (VLAN'lar aras\u0131 ileti\u015fim) - Static veya dynamic routing protokolleri (OSPF, EIGRP) - ACL'ler ile trafik kontrol\u00fc ## Yap\u0131land\u0131rma \u00d6rne\u011fi (Cisco CLI) ```cisco ! VLAN'lar\u0131 olu\u015fturma vlan 10 name PC_VLAN vlan 20 name SERVER_VLAN ! VLAN interface'leri olu\u015fturma interface Vlan10 ip address 192.168.10.1 255.255.255.0 ! interface Vlan20 ip address 192.168.20.1 255.255.255.0 ! Routing protokol\u00fc etkinle\u015ftirme (\u00f6rnek OSPF) router ospf 1 network 192.168.10.0 0.0.0.255 area 0 network 192.168.20.0 0.0.0.255 area 0 ! Portlar\u0131 ilgili VLAN'lara atama interface GigabitEthernet1\/0\/1 switchport mode access switchport access vlan 10 ! interface GigabitEthernet1\/0\/2 switchport mode access switchport access vlan 20 ``` ## Avantajlar\u0131 1. **Performans**: Donan\u0131m tabanl\u0131 routing ile y\u00fcksek h\u0131z 2. **Maliyet**: Router + Switch yerine tek cihaz 3. **Esneklik**: Hem L2 hem L3 fonksiyonlar\u0131 4. **\u00d6l\u00e7eklenebilirlik**: \u00c7ok say\u0131da VLAN destekler ## Kullan\u0131m Senaryolar\u0131 1. Kurumsal bina a\u011flar\u0131 2. Kamp\u00fcs a\u011flar\u0131 3. Veri merkezi a\u011flar\u0131 4. Yo\u011fun VLAN trafi\u011fi olan ortamlar Layer 3 switch'ler, \u00f6zellikle y\u00fcksek trafikli ortamlarda router'lara g\u00f6re daha performansl\u0131 \u00e7\u00f6z\u00fcm sunar ancak kompleks WAN ba\u011flant\u0131lar\u0131 i\u00e7in genellikle router'lar tercih edilir.","excerpt":"Layer 3 Switch \u00dczerinde Routing \u0130\u015flemi Yap\u0131lan Topoloji   Layer 3 switch'lerin routing (y\u00f6nlendirme) i\u015flemi yapt\u0131\u011f\u0131 bir a\u011f topolojisi...","created_at":"2020-07-23 20:44:21","updated_at":"2026-09-06 03:56:47","category_id":6,"view_count":492,"reading_time":2,"status":"published","editor_choice":0,"is_editor_choice":0,"published_at":"2020-07-23 20:44:21","featured_image":"resimyok.jpg","slug":"roting-isleminin-layer3-switch-uzerinde-yapildigi-topoloji","category_name":"Sistem","category_slug":"sistem","category_color":"#3b82f6"}]