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Dynamic Host Configuration Protocol

  • DHCP Snooping trusted mode support on a vlanVLAN (EX Series, QFX Series)—Use the trust-all configuration 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 new no-snoop knob 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.]