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Configuring Transparent Bridging
Transparent and SRT Bridging Configuration Examples
BC-76
Cisco IOS Bridging and IBM Networking Configuration Guide
Configuration for Bridge 3
interface serial 0
encapsulation frame-relay
bridge-group 5
frame-relay map bridge 27 broadcast
frame-relay map bridge 134 broadcast
!
bridge 5 protocol ieee
Bridging in a Frame Relay Network with Multicasts
The multicast facility is used to learn about the other bridges on the network, eliminating the need for
the frame-relay map commands.
Following are the configuration commands for each of the bridges in a network that supports a multicast
facility:
Configuration for Bridge 1
interface ethernet 2
bridge-group 5
ip address 128.88.11.9 255.255.255.0
!
interface serial 0
encapsulation frame-relay
bridge-group 5
!
bridge 5 protocol ieee
Configuration for Bridge 2
interface serial 1
encapsulation frame-relay
bridge-group 5
!
bridge 5 protocol ieee
Configuration for Bridge 3
interface serial 0
encapsulation frame-relay
bridge-group 5
!
bridge 5 protocol ieee
Transparent Bridging over Multiprotocol LAPB Example
The following example illustrates a router configured for transparent bridging over multiprotocol LAPB
encapsulation:
!
no ip routing
!
interface ethernet 1
no ip address
no mop enabled
bridge-group 1
!
interface serial 0
no ip address