RADIUS Attributes Reference
34
RADIUS ATTRIBUTES REFERENCE GUIDE
RELEASE 14.0.R4
3HE 10793 AAAB TQZZA 01 Issue: 01
26-6527-192 Alc-ToClient-
Dhcp6-Options
The value of this attribute represents DHCPv6 options encoded in a
hexadecimal format. DHCPv6 options originated by RADIUS are
appended to the options already present in the DHCPv6 Advertise and
Reply messages towards the client.
Passing the RADIUS obtained DHCPv6 options to the client is supported
for both DHCPv6 proxy and relay.
Only the attributes within the defined limits (see limits) are parsed and
stored; the remaining attributes are silently ignored.
26-6527-200 Alc-v6-Preferred-
Lifetime
IPv6 address/prefix preferred lifetime is the length of time that a valid
address/prefix is preferred (i.e., the time until deprecation). When the
preferred lifetime expires, the address/prefix becomes deprecated (can
still be used in existing communications but should not be used as source
in new communications).
This attribute is applicable only when an IPv6 address/prefix is assigned
via RADIUS (DHCPv6 proxy). Overrides the dhcp6 proxy-server
preferred-lifetime configuration on the group-interface.
The attribute value is expressed in seconds. Values outside the allowed
range (see limits) result in a setup failure.
If for the final determined values from the different sources (ludb, radius,
defaults), the following rule is violated:
renew timer <= rebind timer <= preferred lifetime <= valid lifetime
then the default timers are used: renew-timer = 30 min, rebind-timer = 48
min, preferred-lifetime = 1hr, valid-lifetime = 1 day.
Note that only a single value can be specified that applies to both IA-NA
address and IA-PD prefix.
26-6527-201 Alc-v6-Valid-
Lifetime
IPv6 address/prefix valid lifetime is the length of time an address/prefix
remains in the valid state (i.e., the time until invalidation). When the valid
lifetime expires, the address/prefix becomes invalid and must no longer be
used in communications. Used as DHCPv6 lease time.
This attribute is applicable only when an IPv6 address/prefix is assigned
via RADIUS (DHCPv6 proxy). Overrides the dhcp6 proxy-server valid-
lifetime configuration on the group-interface.
The attribute value is expressed in seconds. Values outside the allowed
range (see limits) result in a setup failure.
If for the final determined values from the different sources (ludb, radius,
defaults), the following rule is violated:
renew timer <= rebind timer <= preferred lifetime <= valid lifetime
then the default timers are used: renew-timer = 30 min, rebind-timer = 48
min, preferred-lifetime = 1hr, valid-lifetime = 1 day.
Note that only a single value can be specified that applies to both IA-NA
address and IA-PD prefix.
Table 2 Subscriber Host Identification (Description) (Continued)
Attribute ID Attribute Name Description
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