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ipv6 nd ra halt
Function
The ipv6 nd ra halt command disables the system from sending RA packets.
The undo ipv6 nd ra halt command enables the system to send RA packets.
By default, the system is disabled from sending RA packets.
Usage Guidelines
Usage Scenario
- When a device is connected to a host, it periodically sends RA packets to the host. An RA packet carries the IPv6 address prefix and flag information of stateful autoconfiguration. You can run the undo ipv6 nd ra halt command to enable the device to send RA packets.
- When a device is connected to another device, that is, there is no host on the network, sending RA packets is not required. The default configuration is recommended.
Prerequisites
The IPv6 function has been enabled on the interface using the ipv6 enable command in the interface view.
Precautions
After the ipv6 nd ra halt command is run, the device does not send RA packets. In such a case, the hosts on the network cannot periodically receive information about updated IPv6 prefixes.
By default, the device is disabled from sending RA packets. You can run the display icmpv6 statistics command to check whether a local device has sent RA packets.
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