RADIUS ATTRIBUTES REFERENCE GUIDE
RELEASE 14.0.R4
RADIUS Attributes Reference
Issue: 01 3HE 10793 AAAB TQZZA 01 19
101 Error-Cause The Error-Cause Attribute provides more detail on the cause of the
problem if the NAS cannot honor Disconnect-Request or CoA-Request
messages for some reason. It may be included within Disconnect-ACK,
Disconnect-NAK and CoA-NAK messages. The Error-Causes are divided
in 5 blocks. Range [400-499] is used for fatal errors committed by the
RADIUS server. Range [500-599] is used for fatal errors occurring on a
NAS or RADIUS proxy. Ranges [000-199 reserved], [300-399 reserved]
and [200-299 used for successful completion in disconnect-ack/coa-ack]
are not implemented.
123 Delegated-IPv6-
Prefix
Attribute that carries the Prefix (ipv6-prefix/prefix-length) to be delegated
via DHCPv6 (IA-PD) for the LAN side of the user (IPoE, PPPoE). Maps to
DHCPv6 option IA-PD [25] sub-option IA-Prefix [26] Prefix. An exact
Delegated-prefix-Length [DPL] match with configure service ies | vprn
service-id subscriber-interface ip-int-name ipv6 delegated-prefix-
length [48 to 64] is required with the received attribute prefix-length
unless a variable DPL is configured (configure service ies | vprn
service-id subscriber-interface ip-int-name ipv6 delegated-prefix-
length variable). In the latter case multiple hosts for the same group-
interface having different prefix-length [48 to 64] per host are supported.
Simultaneous returned attributes [123] Delegated-IPv6-Prefix and [26-
6527-131] Alc-Delegated-IPv6-Pool are handled as host setup failures.
Attribute is also used in CoA and Disconnect Message (part of the ESM
or AA user identification-key). Attribute is omitted in accounting via
configure subscriber-mgmt radius-accounting-policy name include-
radius-attribute no delegated-ipv6-prefix.
For data-triggered subscriber host authentication, an Access-Accept
message can include this attribute to specify the prefix to create an IPv6
prefix host.
26-2352-1 Client-DNS-Pri The IPv4 address of the primary DNS server for this subscribers
connection and maps to PPPoE IPCP option 129 Primary DNS Server
address or DHCPv4 option 6 Domain Server. Is an alternative for 26-
4874-4 ERX-Primary-Dns or 26-6527-9 Alc-Primary-Dns.
26-2352-2 Client-DNS-Sec A IPv4 address of the secondary DNS server for this subscribers
connection and maps to 'PPPoE IPCP option 131 Secondary DNS Server
address or DHCPv4 option 6 Domain Server. Is an alternative for 26-
4874-5 ERX-Secondary-Dns or 26-6527-10 Alc-Secondary-Dns.
Table 2 Subscriber Host Identification (Description) (Continued)
Attribute ID Attribute Name Description
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