Using Remote Access Concentrator Server Tools for Windows NT
Chapter 4 Using Security Features
4-20
Fail-over Algorithm Process
The following table describes the fail-over algorithm process for
authentication and accounting.
When or If...
The...
a user is to be authenticated,
RADIUS server first polled is specified
in the Server Tools Options dialog
box.
an Access-Request packet is sent
to the RADIUS server,
ERPCD/ACP waits the specified
timeout value (4 seconds by default)
for the response packet.
the time expires,
ERPCD/ACP retries the request.
the maximum number of retries
(10 by default) is reached without
a response from the server,
attempt to authenticate against the
primary server fails and ERPCD/ACP
attempts to authenticate against the
backup server (if defined).
no response is received from the
backup server,
user is rejected.
an accounting fail-over occurs,
the server remains the same until,
failure of the backup server.
both the accounting primary
server and backup fail,
acp_logfile records RADIUS
accounting.
Содержание NA
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Страница 18: ...Using Remote Access Concentrator Server Tools for Windows NT About This Guide xvi ...
Страница 40: ...Using Remote Access Concentrator Server Tools for Windows NT Chapter 2 Selecting Server Tools Options 2 18 ...
Страница 60: ...Using Remote Access Concentrator Server Tools for Windows NT Chapter 3 Understanding Erpcd 3 20 ...
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Страница 88: ...Index Using Remote Access Concentrator Server Tools for Windows NT Index 4 server tools options window 2 1 ...