https://www.gravatar.com/avatar/7553e26cd157c0ab27601102edb2a426?s=240&d=mp

botwerks

no utility expressed or implied

damn you vlan 1

scenario you have a switch facing a firewall port and you’re seeing some spurious DHCPv6 hits against the native VLAN despite having no switchport native vlan being set on the trunk interface facing the firewall.