Cisco Cisco Prime Network Registrar 8.1 User Guide
Understanding the Topology Tab
Network Services 87
Field
Description
Collect Failover Backup
Subnets
Unchecked indicates that the collection will ignore any subnets that this
DHCP server is failover for. Typically, if you are collecting DHCP
information from all your DHCP server, collection of data for those subnets
would be accomplished when you are performing collection against the
primary DHCP server.
Checked indicates that you will collect data for any subnets that this server is
Checked indicates that you will collect data for any subnets that this server is
failover for.
Typically you would leave this unchecked, so that you do not collect duplicate
Typically you would leave this unchecked, so that you do not collect duplicate
information from both the primary and failover DHCP servers.
4.3.2.4
Configuration Tab
Click on the
Configuration tab to display the configuration options. This area allows you to
select different DHCP Server configuration options.
Table 4-8 Configuration Tab Parameters
Field
Description
Perform Dynamic DNS
Updates
Updates
Checked indicates that the system will send RFC2136 dynamic DNS updates
to the primary DNS server when a lease is given out.
Option Set
Select the default option set for this DHCP server. Options that are assigned
at the DHCP server level will be used system wide.
Policy Set
Select a default Policy Set for this server. A Policy set applied at the server
level contains policies that will be used system wide. It can contain items such
as default lease times, etc …
DHCP Client Classes
Select the DHCP Client classes that are available for use by this DHCP server
.
Note: You
must
define all client classes that are valid for this server.
When an administrator is selecting client classes for this server, only the client
classes that have been selected will appear in the drop-down list.
4.3.2.5
Failover Peer Tab
Click on the
Failover tab to display the failover information. This area allows you to identify
the server’s failover server.
Table 4-9 Failover Peer Tab Parameters
Field
Description
Failover IP Address
Enter the IP Address of this server that will be used for failover
communications to other DHCP servers.
Failover Port
Enter the port number that will be used for Failover communications.
Typically this is 847 for primary servers or 647 for failover servers.