the root cause was due to both Site A ACI fabric and Site B ACI fabric using the same mac address 0022.bdf8.19ff. ACI by design is made to use the same mac address accross the fabric but when an external extention of vlan is introduced the mac address is seen on the oth...
ACI by design is made to use the same mac address accross the fabric but when an external extention of vlan is introduced the mac address is seen on the other end via IGMP and not via broadcast. that is why in the senario when we added in the c9300 the issue went away. it is beca...
the root cause was due to both Site A ACI fabric and Site B ACI fabric using the same mac address 0022.bdf8.19ff. ACI by design is made to use the same mac address accross the fabric but when an external extention of vlan is introduced the mac address is seen on the oth...