DNS server
If the DNS scope option is not already defined on your DHCP server, and if the Option 66 entry is a hostname instead of an
IP address, you can configure the DNS server.
To configure the DNS server:
1.
Using the Windows Server Manager or DHCP tools snap-in MMC, open your DHCP server console.
2.
In the left panel of the DHCP window, click
IPv4
.
3.
Right-click on
Server Options
and click
Configure Options.
4. Click Option
006
to define the DNS servers.
5.
Enter the IP address in the appropriate field and click
Add
.
NOTE: If you enter the server name, the DNS server will resolve it.
Reservations
You can reserve IP addresses for each console server to be updated. A reservation is an IP address that will be always be
issued to a specified console server when it renews its DHCP lease.
To reserve an IP address:
1.
Using the Windows® Server Manager or DHCP tools snap-in Microsoft® Management Console (MMC), open
your DHCP server console.
2.
In the left panel of the DHCP window, click
IPv4
.
3.
Right-click
Reservations
, then click
New Reservation
.
4. Enter a name for the reservation, the IP address to be assigned to the console server, the MAC address for the
console server and a description in the appropriate fields.
NOTE: The console server's MAC address can be found on the bottom of console server.
5.
Under Supported types, use the radio button to select either Both or DHCP only.
6. Click
Add
. The reserved IP address will be displayed in the Reserve table.
The following is an example of a Linux DHCP server configuration.
Example: ISC DHCP Server for Linux
Edit /etc/dhcp/dhcpd.conf ...
host acs8048 {
hardware ethernet 00:e0:86:12:34:56;
fixed-address 10.207.24.134;
filename "zerotouch.setup";
next-server 10.207.24.18;
B.6 Enabling zero-touch provisioning
An administrator can enable zero-touch provisioning from either the web UI or the CLI. Once zero-touch provisioning is
enabled, you must clear the zero-touch provisioning log.
To enable zero-touch provisioning from the web UI:
1.
From the sidebar of the web UI, click
System - Security - Security Profile
.
2.
Under the Bootp Configuration Retrieval heading, check the boxes to enable Bootp and enable Live
Configuration Retrieval.
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