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13: C
AAA
N
U
HAPTER
ONFIGURING
FOR
ETWORK
SERS
For example, the following command authenticates 802.1X user Jose for
wired authentication access via the local database:
WX1200# set authentication dot1X Jose wired
peap-mschapv2 local
success: change accepted.
Binding User
Bonded Auth™ (bonded authentication) is a security feature that binds
Authentication to
an 802.1X user's authentication to authentication of the machine from
Machine
which the user is attempting to log on. When this feature is enabled, MSS
Authentication
authenticates the user only if the machine the user is on has already been
authenticated.
By default, MSS does not bind user authentication to machine
authentication. A trusted user can log on from any machine attached to
the network.
You can use bonded authentication with Microsoft Windows clients that
support separate 802.1X authentication for the machine itself and for a
user who uses the machine to log on to the network.
Network administrators sometimes use machine authentication in a
Microsoft Active Directory domain to run login scripts, and to control
defaults, application access and updates, and so on. Bondend
authentication provides an added security measure, by ensuring that a
trusted user can log onto the network only from a trusted machine
known to Active Directory.
For example, if user bob.mycorp.com has a trusted laptop PC used for
work but also has a personal laptop PC, you might want to bind Bob's
authentication with the authentication of his workplace laptop,
host/bob-laptop.mycorp.com. In this case, Bob can log on to the
company network only from his work laptop.
When bonded authentication is enabled, MSS retains information about
the machine's session when a user logs on from that machine. MSS
authenticates the user only if there has already been a successful machine
authentication. Evidence of the machine's session in MSS indicates that
the machine has successfully authenticated and is therefore trusted by
MSS. If MSS does not have session information for the machine, MSS
refuses to authenticate the user and does not allow the user onto the
network from the unauthenticated machine.
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