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Beaurr
Beginner

VLAN, ACL and broadcast

Hello.
We have multiple  vlans on an L3 switch configured with each their subnet, with routing enabled, to make vlans discuss between them.
We have disabled ACLs (ACL extended), which was configured on each vlan.
My question is whether the broadcast domain is broadcasting everywhere with the ACLs turned off?

2 REPLIES 2
Georg Pauwen
VIP Expert

Hello,

 

any Layer 3 interface is the border for a broadcast domain. Broadcasts do not cross layer 3 interface. That means, all broadcast traffic stays within its own Vlan...

Beaurr
Beginner

ok, thanks!