Effect of unused configured vlans

[alialjamri2008]

I am wondering what will be the effect if I configure unused vlans on a switch that connected through trunk to another switch for example, switch#1 has vlan 15,20,25,30 and switch#2 has vlan 25,30,35,40, in this case vlan's 25 and 30 are in use for communication, what will happen to other vlan's, are they affecting the switch's operation?

Thanks,

Ali

[smitesh kharecha]

Apart from a very negligible amount of your memory, they won't cause any issue.

HTH,

Smitesh