Large Scale NAT (LSN) Accounting
Page 196 7750 SR RADIUS Attributes Reference Guide
Large Scale NAT (LSN) Accounting
Table 59: LSN Accounting (description)
Attribute ID Attribute Name Description
1 User-Name Refers to the user-name reported in Accounting for subscriber-aware or
subscriber-unaware Large Scale NAT users. The reported format for
subscriber-unaware users is LSN44@, DS-lite@ or NAT64@ followed by the
users inside ipv4 or ipv6 address. The reported format and length for
subscriber-aware users is configured and driven by configure router nat
inside subscriber-identification and send when user-name is included under
configure aaa isa-radius-policy <name>. This attribute has the same content
as [26-6527-11] Alc-Subsc-ID-Str for subscriber-unaware Large Scale NAT
users.
4 NAS-IP-Address The identifying IP Address of the NAS requesting the Authentication or
Accounting and maps to the ipv4 address from the system interface
(configure router interface system address <ip-address>).
5 NAS-Port Unique 32 bit encoded number [31..0] that holds the MS-ISA MDA used for
LSN accounting. The following formatting is used [3 bits 31..29 value 000],
[4 bits 28..25 value slot-ms-isa], [4 bits 24..21 value mda-nbr-ms-isa], [6 bits
20..15 000010], [15 bits 14..0 0000 0000 0000 0000].
8 Framed-IP-Address Refers to the inside private IP address of the user (LSN44) and send when
framed-ip-addr is included in configure aaa isa-radius-policy <name>.
30 Called-Station-Id Holds information to which nat-group and nat-member the NAT user belongs.
The format of this attribute is a string 00-00-00-00-<NatGroup>-
<NatMember>. The command show isa nat-group holds the link between
ms-isa mda, NatGroup and NatMember. Optionally sent when called-station-
id is included under configure aaa isa-radius-policy <name>.
32 NAS-Identifier A string (configure system name <system-name>) identifying the NAS
originating the Authentication or Accounting requests and sent when nas-
identifier is included for the corresponding application: configure subscriber-
mgmt authentication-policy (ESM authentication), configure subscriber-
mgmt radius-accounting-policy (ESM accounting), configure aaa isa-
radius-policy (LSN accounting, WLAN-GW) and configure aaa l2tp-
accounting-policy (L2TP accounting).
42 Acct-Input-Octets Indicates how many Layer 3 octets have been sent to this nat user over the
course of this service being provided and send together with [43] Acct-
Output-Octets, [52] Acct-Input-Gigawords and [53] Acct-Output-Gigawords
when octet-counters is included under configure aaa isa-radius-policy
<name>.
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