ECS4100 Series CLI Reference Guide-R07

Chapter 9 | General Security Measures
DHCPv6 Snooping
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Example
This example enables DHCPv6 snooping globally for the switch.
Console(config)#ipv6 dhcp snooping
Console(config)#
Related Commands
ipv6 dhcp snooping vlan (343)
ipv6 dhcp snooping trust (345)
ipv6 dhcp snooping
option interface-id
This command enables the insertion of interface-id option 18 information into
DHCPv6 client messages. Interface-id option information such as the port where
the request was received, the server which is allowed to assign IP addresses,
prefixes, and other available client parameters that can be configured.. Use the no
form of the command to disable this function.
Syntax
[no] ipv6 dhcp snooping option interface-id
Default Setting
Disabled
Command Mode
Global Configuration
Command Usage
Configure the DHCPv6 Relay Agent Interface ID option (option 18) to insert
information in DHCPv6 requests from clients before forwarding them to a DHCPv6
server.
Example
This example enables the DHCPv6 Snooping Remote-ID Option.
Console(config)#ipv6 dhcp snooping option interface-id
Console(config)#
ipv6 dhcp snooping
option interface-id
policy
This command sets the interface-id option policy for DHCPv6 client packets that
include Option 18 information. Use the no form to disable this function.
Syntax
ipv6 dhcp snooping option interface-id policy {drop | keep | replace}
no ipv6 dhcp snooping option interface-id policy