Juniper EX3400 Features Manual page 94

DHCP and Other System Services Feature Guide for EX2300, EX3400, and EX4300 Switches
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For example, to enable global DHCP snooping support :
forwarding-options {
dhcp-relay {
overrides {
allow-snooped-clients;
}
}
}
To enable or disable DHCP snooping support for a group of interfaces:
Specify that you want to configure DHCP relay agent.
1.
For DHCP relay agent:
[edit]
user@host# edit forwarding-options
For DHCPv6 relay agent:
[edit]
user@host# edit forwarding-options dhcp-relay
Specify the named group.
2.
For DHCP relay agent:
[edit forwarding-options dhcp-relay]
user@host# edit group
For DHCPv6 relay agent:
[edit forwarding-options dhcp-relay dhcpv6]
user@host# edit group
Specify that you want to override the default configuration.
3.
For DHCP relay agent:
[edit forwarding-options dhcp-relay group group-name]
user@host# edit overrides
For DHCPv6 relay agent:
[edit forwarding-options dhcp-relay dhcpv6 group group-name]
user@host# edit overrides
Enable or disable DHCP snooping support.
4.
To enable DHCP snooping:
For DHCP relay agent:
[edit forwarding-options dhcp-relay group group-name overrides]
user@host# set allow-snooped-clients
For DHCPv6 relay agent:
[edit forwarding-options dhcp-relay dhcpv6 group group-name overrides]
user@host# set allow-snooped-clients
To disable DHCP snooping:
dhcp-relay
dhcpv6
group-name
group-name
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