224
Configuring ACS attributes
You can configure two sets of ACS attributes for the CPE: preferred and default.
•
The preferred ACS attributes are configurable from the CPE's CLI, the DHCP server, and ACS. For
an attribute, the CLI- and ACS-assigned values have higher priority than the DHCP-assigned value.
The CLI- and ACS-assigned values overwrite each other.
•
The default ACS attributes are configurable only from the CLI.
The CPE uses the default ACS attributes for connection establishment only when it is not assigned a
preferred ACS URL from the CLI, ACS, or DHCP server.
Configuring the preferred ACS attributes
Assigning ACS attributes from the DHCP server
You can use DHCP option 43 to assign the ACS URL and ACS login authentication username and
password.
If the DHCP server is an HP device, you can configure DHCP option 43 by using the
option 43 hex
01
length URL username password
command.
•
length
—A hexadecimal number that indicates the total length of the
length
,
URL
,
username
, and
password
arguments, including the spaces between these arguments. No space is allowed
between the
01
keyword and the length value.
•
URL
—ACS URL.
•
username—
Username for the CPE to authenticate to the ACS.
•
password
—Password for the CPE to authenticate to the ACS.
NOTE:
The ACS URL, username and password must use the hexadecimal format and be space separated.
The following example configures the ACS address as
http://169.254.76.31:7547/acs
, username as
1234
, and password as
5678
:
<Sysname> system-view
[Sysname] dhcp server ip-pool 0
[Sysname-dhcp-pool-0] option 43 hex
0127687474703A2F2F3136392E3235342E37362E33313A373534372F61637320313233342035363738
Table 24
Hexadecimal forms of the ACS attributes
Attribute Attribute
value
Hexadecimal form
Length 39
characters 27
ACS URL
http://169.254.76.31/
acs
687474703A2F2F3136392E3235342E37362E33313A3
73534372F61637320
NOTE:
The two ending digits (20) represent the space.
ACS connect
username
1234
3132333420
NOTE:
The two ending digits (20) represent the space.
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