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Typical Bridge Configuration 309
Transparent Bridging
over Frame Relay
I. Networking Requirements
Two routers are directly connected via serial interfaces. Implement transparent
bridging over the Frame Relay.
II. Networking Diagram
Figure 112 Transparent bridge over the Frame Relay
III. Configuration Procedure
1 Configure Router A
[Router]fr switching
[Router]bridge enable
[Router]bridge 1 stp ieee
[Router]interface serial 0
[Router-Serial0]link-protocol fr
[Router-Serial0]fr interface-type dce
[Router-Serial0]fr dlci 50
[Router-Serial0]bridge-set 1
[Router-Serial0]fr map bridge 50 broadcast
[Router-Serial0]interface ethernet 0
[Router-Ethernet0]bridge-set 1
[Router-Ethernet0]bridge-set 1 stp disable
2 Configure Router B
[Router]fr switching
[Router]bridge enable
[Router]bridge 1 stp ieee
[Router]interface serial 0
[Router-Serial0]link-protocol fr
[Router-Serial0]fr interface-type dte
[Router-Serial0]fr dlci 50
[Router-Serial0]bridge-set 1
[Router-Serial0]fr map bridge 60 broadcast
[Router-Serial0]interface ethernet 0
[Router-Ethernet0]bridge-set 1
[Router-Ethernet0]bridge-set stp disable
DLCI=50 DLCI=50
Router A
Router B
s0
s0