Specifications

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Cisco IGX 8400 Series Provisioning Guide, Release 9.3.3 and Later Releases
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Chapter 10 Cisco IGX 8400 Series IP Service
IP Service—Functional Overview
Figure 10-1 VSI, Controller, and Slave VSIs
The controller establishes a link between the VSI master and every VSI slave on the associated switch.
The slaves in turn establish links between each other (see Figure 10-2).
Figure 10-2 VSI Master and VSI Slave Example
When multiple switches are connected together, cross-connects within the individual switch enable links
between switches to be established (see Figure 10-3).
VSI controller
(MPLS, PNNI, etc.)
VSI master
Cisco IGX
35713
Cisco 7000 series
router
VSI slaves
AutoRoute
Application
Master
MPLS controller
Switch
Slave
Slave
Slave
17713
= Interslave connection
= Master-slave connection