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Document nas_identifier requirements for RADIUS accounting

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nas_identifier needs to be set to a unique value for RADIUS accounting
to work properly. This needs to be unique for each BSS.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2016-02-28 21:19:14 +02:00
parent 902c07a7af
commit 251953bcb6
1 changed files with 15 additions and 3 deletions
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18
hostapd/hostapd.conf
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@ -909,11 +909,23 @@ eap_server=0
# The own IP address of the access point (used as NAS-IP-Address) # The own IP address of the access point (used as NAS-IP-Address)
own_ip_addr=127.0.0.1 own_ip_addr=127.0.0.1
# Optional NAS-Identifier string for RADIUS messages. When used, this should be # NAS-Identifier string for RADIUS messages. When used, this should be unique
# a unique to the NAS within the scope of the RADIUS server. For example, a # to the NAS within the scope of the RADIUS server. Please note that hostapd
# fully qualified domain name can be used here. # uses a separate RADIUS client for each BSS and as such, a unique
# nas_identifier value should be configured separately for each BSS. This is
# particularly important for cases where RADIUS accounting is used
# (Accounting-On/Off messages are interpreted as clearing all ongoing sessions
# and that may get interpreted as applying to all BSSes if the same
# NAS-Identifier value is used.) For example, a fully qualified domain name
# prefixed with a unique identifier of the BSS (e.g., BSSID) can be used here.
#
# When using IEEE 802.11r, nas_identifier must be set and must be between 1 and # When using IEEE 802.11r, nas_identifier must be set and must be between 1 and
# 48 octets long. # 48 octets long.
#
# It is mandatory to configure either own_ip_addr or nas_identifier to be
# compliant with the RADIUS protocol. When using RADIUS accounting, it is
# strongly recommended that nas_identifier is set to a unique value for each
# BSS.
#nas_identifier=ap.example.com #nas_identifier=ap.example.com
# RADIUS client forced local IP address for the access point # RADIUS client forced local IP address for the access point