Dynamic Host Configuration Protocol
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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.]