fixed IP addresses
Hi,
What is the difference between 'Reserve LAN IP Addresses' and 'IP and MAC binding'
Both seem to link MAC address to IP address.
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One is a way of reserving an IP address, the other a security feature.
Reserve LAN IP - basically enter a MAC address of something, say a printer. each time this device connects it will be given this address. No-one else can be given this address via DHCP. However... if I had a device that statically set that same IP address (not using DHCP) I could cause a conflict with the printer on the network as the DHCP would try to allocate that address which is already in use..
IP to MAC binding in short is a method to attempt to stop this. Taking the example above, if I want to fix that conflict I can "bind" that MAC address to that IP. This is nothing to do with giving the address out, rather which one to trust as legit. In a conflict scenario it will choose the one with a binding.. if neither has a binding it will conflict. In 20 years of installing servers, never had to use IP to MAC binding, but it is there.
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