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Configuring the RADIUS NAS-Port Extended Format per Stacked VLAN

1. Specify the interface you want to configure.
   [edit]user@host# edit interfaces interface-name
2. Enable stacked VLAN tagging on the interface.
   [edit interfaces interface-name]user@host# set stacked-vlan-tagging

   Setting stacked VLAN tagging enables you to configure dual VLAN tags for all logical interfaces on the physical interface. You must enable stacked VLAN tagging before you can configure the stacked VLAN ranges to which the NAS-Port options definition applies.

3. Specify that you want to configure RADIUS options for a stacked VLAN interface.
   [edit interfaces interface-name]user@host# edit radius-options
4. Create a named NAS-Port options definition.
   [edit interfaces interface-name radius-options]user@host# edit nas-port-options nas-port-options-name
5. Configure the NAS-Port extended format.
   [edit interfaces interface-name radius-options nas-port-options nas-port-options-name]user@host# set nas-port-extended-format slot-width width adapter-width width port-width width vlan-width width stacked

   To include S-VLAN IDs, in addition to VLAN IDs, in the NAS-Port extended format, include the stacked option in the nas-port-extended-format statement.

6. Configure the stacked VLAN range or ranges to which the NAS-Port options definition applies.
   [edit interfaces interface-name radius-options nas-port-options nas-port-options-name]user@host# set stacked-vlan-ranges (any | low-outer-tag–high-outer-tag),any

   Per-stacked VLAN configurations require you to create a stacked VLAN range of subscribers to which the NAS-Port options definition applies. You must configure the low and high outer tags (VLAN IDs) in the range 1 through 4094, and the inner tag (S-VLAN ID) as any to represent all S-VLAN ID tags.

7. Repeat Steps 3 through 6 to configure additional NAS-Port options definitions on this interface.

The following example creates two NAS-Port options definitions, chicago-subscribers and barcelona-subscribers, configured on a per-stacked VLAN basis on Gigabit Ethernet physical interface ge-3/2/1.

The chicago-subscribers definition configures a NAS-Port extended format consisting of a 8-bit slot field, 8-bit adapter field, 8-bit port field, 4-bit stacked VLAN field, and 4-bit VLAN field. Because the stacked option is configured in this definition, S-VLAN IDs, in addition to VLAN IDs, are included in the extended format. The chicago-subscribers definition applies to a stacked VLAN range with outer VLAN ID 1, and all inner S-VLAN IDs.

The barcelona-subscribers definition configures a NAS-Port extended format consisting of a 8-bit slot field, 8-bit adapter field, 8-bit port field, 4-bit stacked VLAN field, and 4-bit VLAN field. Because the stacked option is not configured in this definition, S-VLAN IDs are not included in the extended format. The barcelona-subscribers definition applies to a stacked VLAN range with outer VLAN IDs in the range 2 through 10, and all inner S-VLAN IDs.