When we use Huawei NE series routers, we sometimes encounter problems. How can these problems be solved? We provide the Troubleshooting Guide to help you.
If you encounter the Double Master Devices Exist in a VRRP Backup Group, perform the following steps:
1. Run the display vrrp statistics command to check whether the VRRP device with a lower priority than the other device receives VRRP Advertisement packets.
§ If the VRRP Advertisement packets are received, go to Step 2.
§ If no VRRP Advertisement packets are received, go to Step 6.
2. Check whether the configurations of the VRRP backup group on the two devices match.
On an interface configured with the VRRP backup group, run the display this command to check whether the configurations of the VRRP backup group on the two devices match, including VRIDs, virtual IP addresses, and the network segment of interface addresses.
§ If the configurations are inconsistent, change them so that they are the same on the two devices. Then, go to Step 3.
§ If the configurations are consistent, go to Step 4.
3. Run the display vrrp command to check whether there is only one master device in the VRRP backup group.
§ If so, the VRRP backup group is working normally.
§ If there are still two master devices, go to Step 4.
4. Check whether the interfaces transmitting the VRRP Advertisement packets are correctly connected and run the display interface interface-type interface-number command several times to check whether the interfaces transmitting the VRRP Advertisement packets are Up.
§ If the interfaces are correctly connected and are always in the Up state, go to Step 6.
§ If the interfaces are incorrectly connected, reconnect them. After the interfaces go Up, go to Step 5.
5. Run the display vrrp command to check whether there is one master device and one backup device in the VRRP backup group.
§ If so, the VRRP backup group is working normally.
§ If there are still two master devices, go to Step 6.
6. Check whether the two interfaces configured with the VRRP backup group can ping each other.
§ If the ping succeeds, go to Step 7.
7. Run the display vrrp command to check whether there is only one master device in the VRRP backup group.
§ If there is only one master device, the VRRP backup group is working normally.
§ If there are still two master devices, go to Step 8.
8. If the fault persists, collect the following information and contact technical support personnel.
§ Results of this troubleshooting procedure
§ Configuration files, log files, and alarm files of the devices
For more troubleshooting cases, see: NE40E Troubleshooting Guide V4.0 (VRPv8)
https://support.huawei.com/enterprise/en/doc/EDOC1000177634
