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default: mode mac-learning

R1

Code Block
R1#show running-config | nomore
hostname R1
ip ssh enable
bridge-group 1
exit
bridge-group 100
 mode vlan-switching
exit
interface gigabitethernet 0/0
 ip address 192.168.0.186 255.255.255.0
exit
interface gigabitethernet 0/1
 ip address 192.168.54.1 255.255.255.252
exit
interface gigabitethernet 0/1.100
 bridge-group 1100
 encapsulation dot1Q 100
exit
interface gigabitethernet 0/2
exit
interface gigabitethernet 0/2.100
 bridge-group 1100
 encapsulation dot1Q 100 native
exit
interface bvi 100
 description  to-bridgeGrp100
 bridge-group 100
exit
R1#

R2

Code Block
R2#show running-config | nomore
hostname R2
ip ssh enable
bridge-group 1
exit
bridge-group 100
 mode vlan-switching
exit
interface gigabitethernet 0/0
 description to-Mgt-network
 ip address 192.168.0.187 255.255.255.0
exit
interface gigabitethernet 0/1
 description to-core-network
 ip address 192.168.54.2 255.255.255.252
exit
interface gigabitethernet 0/1.100
 bridge-group 1100
 encapsulation dot1Q 100
exit
interface gigabitethernet 0/2
exit
interface gigabitethernet 0/2.100
 bridge-group 1100
 encapsulation dot1Q 100 native
exit
interface bvi 100
 description  to-bridgeGrp100
 bridge-group 100
exit

show bridge-group mac-address-table

Code Block
R1#show bridge-group mac-address-table
Bridge-group 1:
 VLAN learning mode: shared

Bridge-group 100:
 VLAN learning mode: shared
 MAC Address        Age        Interface                Type
 52:54:00:5d:55:01  0s         GigabitEthernet 0/2.100  dynamic
 52:54:00:4d:b2:68  0s         GigabitEthernet 0/1.100  dynamic
 52:54:00:26:ff:6e  0s         Bvi 100                  system

https://docs.google.com/drawings/d/18jjOlgfuiY1okoaIMEFsZSghiVDRK6RNTauJxzs2rpo/edit

image-20241004-133614.pngImage Added