Figure 23-2 Vsi, Controller And Slave Vsis; Figure 23-3 Vsi Master And Vsi Slave Example - Cisco BPX-BXM-155-8DX Installation And Configuration Manual

Overview: How VSI Works

Figure 23-2 VSI, Controller and Slave VSIs

VSI controller
(Tag, PNNI, etc.)
AutoRoute
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 23-3).

Figure 23-3 VSI Master and VSI Slave Example

Slave
Slave
With a number of switches connected together, there are links between switches with cross connects
established within the switch as shown in Figure 23-4.
Cisco BPX 8600 Series Installation and Configuration
23-12
7000 series
router
VSI master
BPX
VSI slaves
Resource
management
Switch
Slave
Chapter 23 Configuring BXM Virtual Switch Interfaces
MPLS controller
Application
Master
Release 9.3.0, Part Number 78-10674-01 Rev. D0, July 2001