Juniper JUNOSE SOFTWARE 11.2.X - BROADBAND ACCESS CONFIGURATION GUIDE 7-20-2010 Configuration Manual page 231

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For example, slot 16 is shown as the ASCII character uppercase G.
To specify that the RADIUS client use a fixed format of up to 17 characters consisting
of all ASCII fields with a 2-byte slot field, 1-byte adapter field, and 2-byte port field, use
the fixed-format-adapter-new-field keyword. The maximum number of characters
for each field is shown in square brackets ([ ]).
NOTE: You must use this command with the fixed-format-adapter-new-field keyword
when you configure the format of the Calling-Station-ID attribute on routers that have
line modules that support more than seven physical ports.
Format for ATM interfaces:
<system name [4]> <slot [2]> <adapter [1]> <port [2]>
<VPI [3]> <VCI [5]>
Format for Ethernet interfaces:
<system name [4]> <slot [2]> <adapter [1]> <port [2]>
<VLAN [8]>
Format for serial interfaces:
<system name [4]> <slot [2]> <adapter [1]> <port [2]> <0 [8]>
Where the final 8-byte field is always 0 (zero).
For E120 and E320 routers, <adapter> is the number of the bay in which the I/O
adapter (IOA) resides, either 0 or 1. For ERX7xx models, ERX14xx models, and ERX310
routers, <adapter> is always shown as 0 (zero).
Slot numbers 0 through 16 are shown as integers in the 2-byte slot field.
To specify that the format of the Calling-Station-Id [31] attribute include a 4-byte
stacked VLAN (S-VLAN) ID for Ethernet interfaces when the RADIUS client uses the
fixed-format, fixed-format-adapter-embedded, or fixed-format-adapter-new-field
format, use the fixed-format stacked, fixed-format-adapter-embedded stacked, or
fixed-format-adapter-new-field stacked keywords, respectively. The maximum
number of characters for each field is shown in square brackets ([ ]).
NOTE: The use of the stacked keyword is not supported for VLAN subinterfaces based
on agent-circuit-identifier information, otherwise known as ACI VLANs. When you issue
the radius calling-station-format fixed-format stacked, radius calling-station-format
fixed-format-adapter-embedded stacked, or radius calling-station-format
fixed-format-adapter-new-field stacked command for an ACI VLAN, the values that
appear in the 4-byte S-VLAN ID and 4-byte VLAN ID fields are incorrect.
Format for Ethernet interfaces that use fixed-format stacked:
<system name [4]> <slot [2]> <port [1] <S-VLAN [4] <VLAN [4]>
Format for Ethernet interfaces that use fixed-format-adapter-embedded stacked:
Chapter 3: Configuring RADIUS Attributes
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