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AR500, AR510, and AR530 V200R007 CLI-based Configuration Guide - Ethernet Switching

This document describes the configuration of Ethernet services, including configuring transparent bridge, MAC table, link aggregation, VLANs, STP/RSTP/MSTP, and so on.The document provides the configuration procedures and configuration examples to illustrate the service configuration methods and application scenario.
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Directly Connected Devices Cannot Communicate

Directly Connected Devices Cannot Communicate

Fault Symptom

As shown in Figure 3-26, the IP address of VLANIF 10 on Router_2 cannot be pinged from Router_1. Similarly, the IP address of VLANIF 10 on Router_1 cannot be pinged from Router_2.

Figure 3-26  Connected routers

Procedure

  1. Check whether the VLANIF interface is Up.

    Run the display interface vlanif vlan-id command on Router_1 and Router_2 and check the current state and Line protocol current state fields.
    • If the value of any one of the two fields is DOWN, the VLANIF interface is Down. Rectify this fault according to A VLANIF Interface Goes Down.
    • If the value of the two fields is UP, the VLANIF interface is Up. Go to 2.

  2. Check whether the connected Ethernet interfaces between devices join a VLAN.

    Run the display vlan vlan-id command on Router_1 and Router_2 and check the Interface field. Check whether the connected Ethernet interfaces exist in the VLAN.
    • If the connected Ethernet interfaces do not exist in the VLAN, add the connected Ethernet interfaces to the VLAN.
    • If the connected Ethernet interfaces exist in the VLAN and at least one of them joins the VLAN in untagged mode, change the untagged mode to tagged mode.
    • If none of the preceding configurations exists, go to 3.

  3. Check whether the PVID values on the connected Ethernet interface between devices are the same.

    Run the display port vlan interface-type interface-number command on Router_1 and Router_2 to check the PVID values.
    • If the PVID values are different, change them to be the same.
    • If the PVID values are the same, go to 4.

  4. Collect logs and alarms and contact Huawei technical support personnel.
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Updated: 2019-05-25

Document ID: EDOC1000097279

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