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Release Highlights
DHCP
Copyright © 2010, Juniper Networks, Inc.
Release 11.3.0 includes the features described in this section.
Category
DHCP
Documentation
RADIUS
System
Tunneling
Support for RADIUS-Provisioned DHCP Options in DHCP Local Server Standalone
Authentication Mode
You can now configure DHCP Local Server to receive DHCP options returned by
RADIUS server from AAA. DHCP Local Server now includes the DHCP options
returned by RADIUS, along with other default or requested DHCP options, in DHCP
OFFER and ACK responses. This feature is only supported in DHCP Standalone
Authentication Mode.
By default, inclusion of DHCP options returned by RADIUS as part of DHCP OFFER
and ACK responses is disabled. To enable DHCP Local Server to include the DHCP
options returned by RADIUS, use the radius-dhcp-options keyword with the ip
dhcp-local auth include command. For example:
host1(config)# ip dhcp-local auth include radius-dhcp-options
DHCP Local Server can support up to 312 bytes of DHCP options data in DHCP
packets. While DHCP Local Server gives precedence to DHCP options returned by
RADIUS over locally configured DHCP options, inclusion of the DHCP options
returned by RADIUS is based on the space available in the DHCP options buffer. As a
result, some options may be dropped while the others are included in DHCP OFFER
and ACK responses.
The following DHCP options configured from RADIUS are not supported:
0 - Pad Option
1 - Subnet Mask
13 - Boot File Size Option
50 - Requested IP Address
51 - IP Address Lease time
52 - Option Overload
53 - DHCP Message Type
54 - Server Identifier
55 - Parameter Request List
56 - Message
57 - Maximum DHCP Message Size
58 - Renewal Time Value
Feature
Support for RADIUS-Provisioned DHCP Options in DHCP
Local Server Standalone Authentication Mode on page 7
Enhanced ERX End-of-Life Module Guide on page 8
Inclusion of RADIUS IETF Framed-Route Attribute [22] in
RADIUS Accounting Messages on page 9
Support for Conventional Upgrade on ES2 10G LMs on
page 9
Support for IP Reassembly for Dedicated Tunnel Server
Configured on an ES2 10G ADV LM on page 10
77 - User class
80 - Rapid commit
81 - client FQDN
82 - Relay Agent Information Option
90 - Authentication
93 - client system
94 - client NDI
98 - User Auth
116 - Auto Config
118 - Subnet Selection
122 - Code CCC
124 - Vendor Identifying Vendor class
Release 11.3.0
Release Highlights
7
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