6. (DHCPv4 only) Override the setting of the broadcast bit in DHCP request packets and
use the Layer 2 unicast transmission method.
See “Using Layer 2 Unicast Transmission for DHCP Packets” on page 377.
7. (DHCPv4 only) Trust DHCP client packets that have a giaddr of 0 and that contain
option 82 information.
See “Trusting Option 82 Information” on page 378.
8. (DHCPv4 and DHCPv6) Override the maximum number of DHCP clients allowed per
interface.
See “Specifying the Maximum Number of DHCP Clients Per Interface” on page 378.
9. (DHCPv4 only) Configure client auto logout.
See DHCP Auto Logout Overview.
10. (DHCPv4 and DHCPv6) Enable or disable support for DHCP snooped clients on
interfaces.
See Enabling and Disabling DHCP Snooped Packets Support for DHCP Relay Agent.
11. (DHCPv4 and DHCPv6) Delay authentication of subscribers until the DHCP client
sends a Request packet.
See the delay-authentication.
12. (DHCPv4 and DHCPv6) Send release messages to the DHCP server when clients are
deleted.
See “Sending Release Messages When Clients Are Deleted” on page 381.
13. (Optional) Specify that when the DHCP or DHCPv6 relay agent receives a Discover
or Solicit message that has a client ID that matches the existing client entry, the relay
agent deletes the existing client entry.
See DHCP Behavior When Renegotiating While in Bound State.
14. (DHCPv6 only) Automatically log out existing client when new client solicits on same
interface.
See Automatically Logging Out DHCPv6 Clients.
15. (DHCPv4 only) Disable the DHCP relay agent on specific interfaces.
See “Disabling DHCP Relay” on page 399.
16. (DHCPv4 and DHCPv6) Disable automatic binding of stray DHCP requests.
375Copyright © 2017, Juniper Networks, Inc.
Chapter 11: Configuring DHCP and DHCPv6 Relay Agent
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