Huawei AR150 series - Page 107

Figure 6-1 Auto-Config process
DHCP Request
packets are sent
periodically
Are
DHCP Reply
Packets
received?
Auto-Config starts
No
Is the
configuration file
obtained?
Set it as the
configuration file for
next startup
End
Yes
No
Does the
device need to be
upgraded?
Start a timer to set the
delay in restarting the
device
Can a
patch file be
downloaded to
the device?
Obtain a version file
Obtain a patch file
Is the
version file
obtained?
Is the patch
file obtained?
Are
DHCP Reply
packets
valid?
Parse Option
parameters
Obtain a configuration
file
Yes
No
No
Yes
Yes
Are there
the version file
name and
version
information?
Is there patch file
information?
No
No
No
No
No
Yes
Yes
Yes
Is there
ACS Option
information?
Is there
Option
information about
the configuration
file?
Obtain and parse the
intermediate file
No
No
Yes
End
Yes
Configure the ACS
Yes
Yes
The timer expires, and
the device is restarted
Set it as the version
file for next startup
Set it as the patch file
for next startup
Huawei AR150&200 Series Enterprise Routers
Configuration Guide - Device Management 6 Auto-Config
Issue 02 (2012-03-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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