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11-3
Cisco ONS 15310-CL, ONS 15310-MA, and ONS 15310-MA SDH Ethernet Card Software Feature and Configuration Guide, R9.1 and R9.2
78-19415-01
Chapter 11 Configuring IRB on the ML-Series Card
IRB Configuration Example
To enable and configure IRB and BVI, perform the following procedure, beginning in global
configuration mode:
IRB Configuration Example
Figure 11-1 shows an example of IRB configuration. Example 11-1 shows the configuration code for
ML_Series A, and Example 11-2 shows the configuration code for ML_Series B.
Figure 11-1 Configuring IRB
Step 4
ML_Series(config-if)# ip address
ip-address ip-address-subnet-mask
Configures IP addresses on routed interfaces.
Step 5
ML_Series(config-if)# end
Returns to privileged EXEC mode.
Command Purpose
Command Purpose
Step 1
ML_Series(config)# bridge irb
Enables IRB. Allows bridging of traffic.
Step 2
ML_Series(config)# interface bvi
bridge-group
Configures the BVI by assigning the number of the
corresponding bridge group to the BVI. Each bridge
group can have only one corresponding BVI.
Step 3
ML_Series(config-if)# ip address
ip-address ip-address-subnet-mask
Configures IP addresses on routed interfaces.
Step 4
ML_Series(config-if)# exit
Exits the interface configuration mode.
Step 5
ML_Series(config)# bridge
bridge-group
route
protocol
Enables a BVI to accept and route routable packets
received from its corresponding bridge group.
Enter this command for each protocol that you want
the BVI to route from its corresponding bridge
group to other routed interfaces.
Step 6
ML_Series(config)# end
Returns to the privileged EXEC mode.
Step 7
ML_Series# copy running-config
startup-config
(Optional) Saves your configuration changes to
NVRAM.
ML-Series
ML-Series
fast ethernet 0
pos 0pos 0
fast ethernet 0
Router_A
Router_B
SONET/SDH
192.168.2.1/24
192.168.3.1/24
pos 1 pos 1
bridge 1
bridge 1
bridge 1
bridge 1
BVI 1 192.168.1.1/24
BVI 1 192.168.1.2/24
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