H3C Technologies H3C Intelligent Management Center - Manual (Page 183)

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Figure 89 Determining the access user type
Determining authentication priorities
UAM performs MAC authentication for the following users:
• Mute terminal users who always use MAC addresses as their usernames
• Ordinary access users, LDAP users, and guests who use MAC addresses as their usernames
UAM also provides a transparent MAC authentication function to offer fast network access to ordinary
access users and LDAP users. For more information about transparent MAC authentication, see
"
Transparent MAC authentication ."
UAM uses operator-set authentication priorities to determine which authorization process to use.
Figure 90 shows the generic authentication process.