See “Disabling Automatic Binding of Stray DHCP Requests” on page 381.
17. (DHCPv4 and DHCPv6) Assign a single-session DHCP dual-stack group to a specified
group of subscribers. You must assign the group to both legs of the DHCP dual stack.
See Configuring Single-Session DHCP Dual-Stack Support.
18. (Optional, DHCPv4 and DHCPv6l) Specify that a short lease be sent to the client.
See Configuring DHCP Asymmetric Leasing.
Related
Documentation
Configuring Group-Specific DHCP Relay Options on page 372•
• Deleting DHCP Local Server and DHCP Relay Override Settings
Changing the Gateway IP Address (giaddr) Field to the giaddr of the DHCP Relay Agent
You can configure the DHCP relay agent to change the gateway IP address (giaddr) field
in packets that it forwards between a DHCP client and a DHCP server.
To overwrite the giaddr of every DHCP packet with the giaddr of the DHCP relay agent
before forwarding the packet to the DHCP server:
1. Specify that you want to configure override options.
[edit forwarding-options dhcp-relay]
user@host# edit overrides
2. Specify that the giaddr of DHCP packets is overwritten.
[edit forwarding-options dhcp-relay overrides]
user@host# set always-write-giaddr
Related
Documentation
Extended DHCP Relay Agent Overview•
• Overriding the Default DHCP Relay Configuration Settings on page 373
Replacing the DHCP Relay Request and Release Packet Source Address
You can configure the DHCP relay agent to replace request and release packets with the
gateway IP address (giaddr) before forwarding the packet to the DHCP server.
To replace the source address with giaddr:
1. Specify that you want to configure override options.
[edit forwarding-options dhcp-relay]
user@host# edit overrides
Copyright © 2017, Juniper Networks, Inc.376
ACX Series Universal Access Router Configuration Guide
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