
Hardware and Software Overview
114074 Rev. A 1-9
Netboot
Network
(Synchronous
or Ethernet
connection)
Network
(Synchronous
or Ethernet
connection)
The AN/ANH obtains all startup files from a remote UNIX- or
DOS-based workstation that is configured as a BOOTP
server. (Getting these files individually, rather than getting
the entire
an.exe
file, minimizes the cost of line usage and
prevents saturation of the router’s memory.)
Requires a local
an.exe
file, a local console connection, and
a communications link over an HDLC, Frame Relay, or
Ethernet interface.
If Netboot fails, the router tries the Local Boot procedure.
Directed
Netboot
Network
(Synchronous
or Ethernet
connection)
Network
(Synchronous
or Ethernet
connection)
The AN/ANH obtains all startup files from a remote UNIX- or
DOS-based workstation that is configured as a Trivial File
Transfer Protocol (TFTP) server. You specify the IP address
of the TFTP server and the pathname of the startup files
before booting.
Requires a local console connection and a communications
link over an HDLC, Frame Relay, or Ethernet interface.
If Directed Netboot cannot retrieve the appropriate files, the
router attempts normal Netboot. If this fails, the router tries
Local Boot.
Local
Boot
Local
(Flash
memory)
Local
(Flash
memory)
The AN/ANH boots using a software router image and
configuration file stored in local memory.
During the initial startup, the AN/ANH uses a generic startup
configuration file. You customize the default configuration file
by assigning an IP address to an interface and running an
installation script; this is called the
Quick-Start
procedure.
Quick-Start requires a local console and an active IP
network connection.
Table 1-3. Summary of Boot Options
(continued)
Boot
Option
Source for
Software
Image
Source for
Config File Description and Requirements
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