Dynamic Host Configuration Protocol
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DHCP Snooping trusted mode support on a vlanVLAN (EX Series, QFX Series)—Use the
trust-allconfiguration option for DHCP snooping to configure all interfaces within a VLAN as trusted interfaces. This configuration enhances network security by ensuring that only trusted interfaces can relay DHCP messages, preventing unauthorized devices from acting as DHCP servers -
DHCP Relay
no-snoop(QFX Series)—We introduce a newno-snoopknob that enables all DHCP unicast packets to be stopped from going to the CPU and only handle hardware forwarding.[See Understanding DHCP Relay
no-snoop.]