Noticed that even after a factory reset to defaults, the switch will will duplicate broadcast frames if the default vlan is attached to a L3 IRB interface. When two switches are connected, end hosts see 4 double frames instead of 1, the more switches in a chain the more multiplication of frames at the furthest switch. Noticed this behaviour on the EX3400, can anyone else confirm this on their end? Very easy to spot with DHCP messages.
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