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Configuring Frame Relay 95
Scenario 2: Partially
Meshed Topology
A partially meshed topology consists of bridge/routers that are connected
directly to some destinations but not others. Use virtual ports to pass
traffic from one site to another over the same parent port.
Instead of using virtual ports (if you run out of virtual ports, for example),
you can use the next-hop split horizon feature in the routing protocol.
See Using Enterprise OS Software for more information.
In this scenario, site B is not connected to site C, and site A is not
connected to site D. Create virtual ports on site A so traffic from site B
can pass through site A to get to site C. Create virtual ports on site C so
traffic from site D can pass through site C to get to site A. For
redundancy, you can create virtual ports on site B and site D as well.
!3 (port)
NETBuilder/II
®
!3 (path)
Frame Relay
Site A
Site D
Site C
Site B
@80
@70
@100
!5 (port)
!4 (path)
!V1 !V2
@90
!V7
!V6