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[Configuration and Deployment Instructions] Configure a Physical Interface to Send Signals After a Delay

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Configure a Physical Interface to Send Signals After a Delay


Scenario

Scenario 1: When a Huawei device is dual-homed to other vendors' devices, the Huawei device cannot control traffic switching on the interfaces of other vendors' devices.


Scenario 2: When a Huawei device is directly connected to another vendor's device, the Huawei device is powered off and then restarted, but the Huawei device does not complete configuration restoration.


Configuration Requirements

The port-tx-enabling-delay port-tx-delay-time command must be run to configure the interface of the Huawei device to send signals after a delay. After completing initialization, the interface does not send signals until the configured delay elapses. This prevents data loss due to asynchronized link switching or incomplete configuration restoration. For configuration details, see Configuring a Signal Sending Delay on an Interface.

imgDownload?uuid=09e1c6b4c08a40c19bcbbf5 NOTE:

Consider other services configured on the device when the delay is configured.

Misconfiguration Risks

Risk description:

In scenario 1, the Huawei device and other vendors' device cannot simultaneously complete link switching. If the interface on the Huawei device immediately sends signals after completing initialization, some data may be lost.

In scenario 2, some data may also be lost if the interface on the Huawei device immediately sends signals after completing initialization.

Identification method:

Run the display port-tx-enabling-delay command in the user view to check the delay and delay status information. The following uses the command output on a GE interface as an example. If port-tx-enabling delay time is 0, the risk exists.
<HUAWEI> display port-tx-enabling-delay interface gigabitethernet 1/0/0GigabitEthernet 1/0/0 setted port-tx-enabling delay time is: 100 ms
GigabitEthernet 1/0/0 remanent time of enabling port-tx is: 20 ms

Recovery measures:

Run the port-tx-enabling-delay port-tx-delay-time command to configure the interface of the Huawei device to send signals after a delay.


Click to Read The Full Documentation...

The post is synchronized to: Configuration and Deployment Instructions

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