DHCP and PVLANs
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Ports in the primary VLAN are trusted ports by default.
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The following features cannot be configured on a secondary VLAN:
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DHCP snooping
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DHCPv6 snooping
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DHCP relay
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DHCP server
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DHCP client
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DHCP server IPv4/IPv6 address configuration
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IPv4/IPv6 gateway address configuration
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Static IP binding in the DHCP binding database
When you configure any of these features on a primary VLAN, the configuration automatically applies to all secondary VLANs associated with that primary VLAN.
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You can use the
show dhcp-snooping binding private-vlan
command to show DHCP snooping information for primary and secondary VLANs in the PVLAN.