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Dynamic Host Configuration Protocol

  • Support for DHCP security features with service provider style of configuration (EX2300, EX3400, EX4300, EX4300-MP, EX4400, and EX4400-MP)—Starting in Junos OS Release 21.4R1, you can configure the following DHCP security features with a service provider style of configuration:

    • DHCPv4 snooping
    • DHCPv6 snooping
    • Dynamic ARP inspection
    • Neighbor discovery inspection
    • DHCP option 82
    • DHCPv6 option 18
    • DHCPv6 option 37
    • Lightweight DHCPv6 relay agent

    You can combine service provider and enterprise styles of configuration on the same physical interface using flexible Ethernet services encapsulation on EX2300, EX3400, EX4300-MP, EX4400 and EX4400-MP switches.

    [See DHCP Security in Q-in-Q with Service Provider Configuration.]