The pim ipv6 timer dr-switch-delay command enables PIM DR switching delay and configures the delay on an interface. When the interface changed from a DR to a non-DR, the interface continues to forward data before the delay expires.
The undo pim ipv6 timer dr-switch-delay command disables PIM DR switching delay on the interface.
By default, when the interface changes from a DR to a non-DR, the interface stops forwarding data immediately.
| Parameter | Description | Value |
|---|---|---|
| interval | Specifies the delay. | The value is an integer that ranges from 10 to 3600, in seconds. |
GE interface view, XGE interface view, MultiGE interface view, 25GE interface view, 40GE interface view, 100GE interface view, Eth-Trunk interface view, VLANIF interface view, loopback interface view
Usage Scenario
If the DR on a shared network segment becomes the non-DR, original multicast forwarding entries will be deleted immediately, causing multicast data interruption in a short time. To solve the problem, set the DR switching delay. Original multicast forwarding entries still take effect until the delay is reached.
Prerequisites
IPv6 multicast routing has been enabled using the multicast ipv6 routing-enable command in the system view.
Precautions
This command is valid for only PIM-SM (IPv6).
This command and pim ipv6 silent command are mutually exclusive.
<HUAWEI> system-view [HUAWEI] multicast ipv6 routing-enable [HUAWEI] interface vlanif 100 [HUAWEI-Vlanif100] pim ipv6 timer dr-switch-delay 20
<HUAWEI> system-view [HUAWEI] multicast ipv6 routing-enable [HUAWEI] interface gigabitethernet 0/0/1 [HUAWEI-GigabitEthernet0/0/1] undo portswitch [HUAWEI-GigabitEthernet0/0/1] pim ipv6 timer dr-switch-delay 20