Ipconfig flushdns - Delete cache DNS

Описание

Ipconfig /flushdns - Delete cache DNS

1. Prepare

- DC11 : Domain Controller (pns.vn)

- DC12 : Domain Member, IP 10.0.0.12

- DC13 : Domain Member, IP 10.0.0.13

- WIN1091 : Client

2. Step by step : Delete cache DNS on WIN1091

- Turn off Firewall local on DC12, DC13

- DC11 : Create a new record DNS named mail.pns.vn point to 10.0.0.12 (DC12)

+ Server Manager - Tools - DNS - DC11 - Right-click pns.vn - New Host (A or AAA)... - Name : Mail, IP address : 10.0.0.12 - Add Host

- WIN1091 : Start - cmd - Ping mail -t === DC12 reply === OK

- DC12 : Shutdown

- DC11 : Change IP mail.pns.vn to 10.0.0.13 (DC13)

+ Server Manager - Tools - DNS - DC11 - pns.vn - Right-click Mail - Properties - IP address : 10.0.0.13 - OK

- WIN1091 : Delete cache DNS

+ Start - cmd - Ping mail -t === DC12 reply === Cached DNS

+ Start - cmd - ipconfig /flushdns

+ Ping mail -t === DC13 reply === OK