09-15-2022 09:47 AM
Hello,
What would be the purpose of having all the VLANs configured in a trunk like imagine vlan 2-4094 and only have 10 VLANs configured in a switch?
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09-15-2022 02:04 PM
@theslimbot27 wrote:
What would be the purpose of having all the VLANs configured in a trunk like imagine vlan 2-4094 and only have 10 VLANs configured in a switch?
Laziness &/or ignorance.
09-15-2022 09:51 AM
This with pvst is harmful for SW,
Allow
Vlan have access port in this sw
Vlan need this sw as transit
Other vlan prefer to be no allow in trunk
09-15-2022 02:04 PM
@theslimbot27 wrote:
What would be the purpose of having all the VLANs configured in a trunk like imagine vlan 2-4094 and only have 10 VLANs configured in a switch?
Laziness &/or ignorance.
09-15-2022 02:37 PM
"Laziness &/or ignorance."
BTW, guess I'm in the laziness group, at least I don't believe, in my case, it's due to ignorance. But, then again, I like VTP too, more laziness - laugh.
09-15-2022 02:29 PM
Assuming you want to use all of your VLANs on the other side of a trunk allowing all VLANs across the trunk (the default) would accomplish this (without any adverse effects).
On the other hand, when you only want to allow a subset of VLANs to flow across a trunk (to avoid unnecessary/needless traffic on a trunk [NB: although, often/usually only a small percentage of VLAN traffic]), then you need to control what VLANs are allowed across the trunk.
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