Juniper JUNOSE 11.1.X - BROADBAND ACCESS CONFIGURATION GUIDE 6-4-2010, Configuration Manual

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Wireless LANs (PWLANs). In PWLANS, a user scans for available broadband networks,
then is redirected to a web-based authentication mechanism to request service.
DHCP provides address assignment information for users. Authentication,
authorization, and accounting are separate processes, and are up to the Internet
service provider (ISP) to define.
The DHCP local server can configure a client with the following DHCP options:
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Default router
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DNS server
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Domain name
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Lease time
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Grace period for address lease
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NetBIOS name server
■
NetBIOS node type
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Subnet mask
For additional information on managing client bindings, see “Viewing and Deleting
DHCP Client Bindings” on page 466.
Equal-Access Mode Overview
In equal-access mode, the router enables access to non-PPP users. Non-PPP equal
access requires the use of the router’s DHCP local server and SRC software, which
communicates with a RADIUS server.
The DHCP local server performs the following functions in equal-access mode:
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Communicates with SRC software.
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Assigns an IP address that enables the subscriber to access services.
Local Pool Selection and Address Allocation
The DHCP local server selects a DHCP pool from which to allocate an address using
a number of parameters in a certain predefined sequence. The router compares the
parameters with the local DHCP pools in the order presented in Table 98 on page 471.
When the router finds a match, it selects a pool based on the match and does not
examine other parameters.
470 ■
Equal-Access Mode Overview
JUNOSe 11.1.x Broadband Access Configuration Guide