Extreme Networks Altitude 4700 Series Product Reference Manual page 203

4 Ensure the Name of the security policy entered suits the intended configuration or function of the
policy.
5 Set the Kerberos Configuration field as required to define the parameters of the Kerberos
authentication server and access point.
Realm Name
Primary KDC
Backup KDC
Altitude 4700 Series Access Point Product Reference Guide
Specify a realm name that is case-sensitive, for example,
extremenetworks.com. The realm name is the name
domain/realm name of the KDC Server. A realm name
functions similarly to a DNS domain name. In theory, the
realm name is arbitrary. However, in practice a Kerberos
realm is named by uppercasing the DNS domain name
that is associated with hosts in the realm.
Specify a numerical (non-DNS) IP address and port for the
primary Key Distribution Center (KDC). The KDC
implements an Authentication Service and a Ticket
Granting Service, whereby an authorized user is granted a
ticket encrypted with the user's password. The KDC has a
copy of every user password.
Optionally, specify a numerical (non-DNS) IP address and
port for a backup KDC. Backup KDCs are referred to as
slave servers. The slave server periodically synchronizes
its database with the primary (or master) KDC.
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