Detect and Avoid IP Address Conflicts
From DHCP Server set the conflict detection to a value greater
than 0.
Fix duplicate IP address conflicts on a DHCP network
DHCP Reservation, DHCP Exclusion and Static IP
DHCP Reservation
Client use DHCP request and
DHCP server assign that reserved IP address.
Client MAC address have to Map
with IP address in the DHCP server Reservation List.
DHCP Exclusion
Client use Static IP address
(Server, AD, DNS,..). and DHCP server is never assign that IP address to the
DHCP request clients.
IP address or Range of IP are
excluded in the DHCP server Exclusion list.
Many applications require a static IP. If the server is
configured to use DHCP, the application has no way of knowing that a
reservation exists and may refuse to install. Also some applications tie their license
to an IP address and therefore must be static as well.
Laptops, phones, and any "mobile" devices should
be reserved not static.
It requires no set up on the device and the server will reserve
that address for that device.
If you're referring to network
devices like IP cameras and printers, reservations are definitely the way to go
because you can add a comment in the reservation as to what the device is and
where it's located. Depending on the device, this may be your only means of
documenting that information within the system.
HOW TO - DHCP Reservation
This
scenario IP address is already using as a DHCP client. Then assign it to
Reserved.
DHCP
reservation required to know Client MAC address to MAP with IP address.
Step 1: Unique ID = MAC address
Step 2: Checking after reserved
Step 3: Adding Description for Management purpose
HOW TO - DHCP Exculsion
DHCP
excluded IP address or IP range. It will never assign auto to DHCP client.
When
client is Manually assign Static IP. DHCP server cannot see from Address Lease
for that IP Address.
Step 1:
Exclusion the IP Address (only 1 IP address, just add in at Start IP
only)
Step 2: From
Address Pool can see the excluded IP address
Step 3:
DHCP server cannot see Excluded IP Address from Address Lease
Step 4: Ping
to that Excluded IP address and test connectivity
No comments:
Post a Comment