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Configuring Transparent Bridging
Transparent and SRT Bridging Configuration Examples
BC-72
Cisco IOS Bridging and IBM Networking Configuration Guide
Router/Bridge in Building 2
The configuration file for the router in Building 2 is similar to Building 1:
decnet address 3.56
!
interface ethernet 0
ip address 128.88.11.9 255.255.255.0
decnet cost 10
!
interface serial 0
ip address 128.88.2.2 255.255.255.0
bridge-group 1
decnet cost 10
!
interface ethernet 1
ip address 128.88.16.8 255.255.255.0
bridge-group 1
decnet cost 10
!
bridge 1 protocol dec
SRT Bridging Example
In Figure 17, a Token Ring and an Ethernet at a remote sales site in New York City must be configured
to pass unroutable bridged traffic across a satellite link to the backbone Token Ring at the corporate
headquarters in Thule, Greenland. IP is the only routed protocol. They are running the IEEE
Spanning-Tree Protocol to comply with the SRT bridging standard.
If there were source-routed traffic to bridge, the source-bridge command would also be used to
configure source routing.
Figure 17 Network Configuration Example
Router
S1095a
New York City MGS Thule, Greenland AGS+
Router
Token
Ring
Token
Ring
T0
E0
S0
S0
T0