SNR S2989G-8TX — настройка и устранение неполадок VLAN и dot1q-туннелей [137/553]

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S2989G-24TX Operation Manual Chapter 2 Layer 2 services

Configuration

Switch(Config-Vlan3)#exit

Switch(Config)#interface ethernet 1/0/1

Switch(Config-Ethernet1/0/1)# dot1q-tunnel enable

Switch(Config-Ethernet1/0/1)# exit

Switch(Config)#interface ethernet 1/0/10

Switch(Config-Ethernet1/0/10)#switchport mode trunk

Switch(Config-Ethernet1/0/10)#dot1q-tunnel tpid 0x9100

Switch(Config-Ethernet1/0/10)#exit

Switch(Config)#

2.15.4

Dot1q-tunnel Troubleshooting

 Enabling dot1q-tunnel on Trunk port will make the tag of the data packet unpredictable

which is not required in the application. So it is not recommended to enable dot1q-

tunnel on Trunk port.

 Enabled with STP/MSTP is not supported.

Enabled with PVLAN is not supported.

2.16

VLAN-translation

2.16.1

Introduction to VLAN-translation

VLAN translation, as one can tell from the name, which translates the original VLAN

ID to new VLAN ID according to the user requirements so to exchange data across

different VLANs. VLAN translation is classified to ingress translation and egress

translation, this switch only supports switchover of ingress for VLAN ID.

Application and configuration of VLAN translation will be explained in detail in this

section.

The access ports of the switch can not support this function.

2.16.2

VLAN-translation Configuration

Configuration task sequence of VLAN-translation:

1. Configure the VLAN-translation function on the port

2. Configure the VLAN-translation relations on the port

3. Configure whether the packet is dropped when checking VLAN-translation is failing

4. Show the related configuration of vlan-translation