D-Link DI-1750 Reference Manual page 73

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frswitch s1/1 300 s1/2 200
3. Hybrid DTE/DCE PVC Switching Example
Routers can also be configured as hybrid DTE/DCE Frame Relay switches, see Figure 5:
In the following example, Router B acts as a hybrid DTE/DCE Frame Relay switch. It can switch frames
between the two DCE ports and between a DCE port and a DTE port. Traffic from the Frame Relay
network can also be terminated locally. In the example, three PVCs are defined, as follows:
Serial 1, DLCI 102 to serial 2, DLCI 201 DCE switching
Serial 1, DLCI 103 to serial 3, DLCI 301 DCE/DTE switching
Serial 2, DLCI 203 to serial 3, DLCI 302 DCE/DTE switching
DLCI 400 is also defined for locally terminated traffic.
Configuration of Router B
!
interface s1/1
encapsulation frame-relay
frame-relay intf-type dce
frame-relay local-dlci 102
frame-relay local-dlci 103
!
interface s1/2
encapsulation frame-relay
frame-relay intf-type dce
frame-relay local-dlci 201
frame-relay local-dlci 203
!
interface s1/3
ip address 131.108.111.231 255.255.0.0
encapsulation frame-relay
frame-relay lmi-type ansi
frame-relay map 131.108.111.4 pvc 400 broadcast
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frswitch s1/1 102 s1/2 201
frswitch s1/1 103 s1/3 301
frswitch s1/2 203 s1/3 302
4. Subinterface Examples
The following sections provide basic Frame Relay subinterface examples.
Model Name
Hybrid DTE/DCE PVC Switching
Figuer 5-5
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