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The access modes of the ME60 QinQ

Latest reply: Jul 31, 2018 02:51:58 617 1 0 0 0

Hello everyone,

Today I will share with you the access modes of the ME60 QinQ.

There are four QinQ access modes:

Dot1q VLAN tag termination sub-interface

Configuration template:

interface GigabitEthernet1/0/0.1

control-vid 1 dot1q-termination

dot1q termination vid 10

l2 binding vsi ldp1

The processing flow is as follows:

When a sub-interface for dot1q VLAN tag termination receives a single-tagged packet and uses the packet as the inbound interface, the sub-interface strips the tag and then proceeds to the next step.

The processing flow in the outbound direction is the reverse process in the inbound direction.

QinQ stacking sub-interface

Configuration template:

interface GigabitEthernet1/0/0.1

qinq stacking vid 10

l2 binding vsi ldp1

The processing flow is as follows:

When a QinQ stacking sub-interface receives a packet with one tag as the inbound interface, the sub-interface adds a random tag to the packet. (Generally, the VLAN ID of the tag is the same as that of the source tag.) After the packet carries double tags, the next step is performed.

The processing flow in the outbound direction is the reverse process in the inbound direction.

Sub-interface for QinQ VLAN tag termination in asymmetric mode

Configuration template:

interface GigabitEthernet1/0/0.1

control-vid 1 qinq-termination

qinq termination l2 asymmetry

qinq termination pe-vid 100 ce-vid 10

l2 binding vsi ldp1

The processing flow is as follows:

When the sub-interface for QinQ VLAN tag termination receives a double-tagged packet and uses the packet as the inbound interface, the sub-interface removes the double tags from the packet and then proceeds to the next step.

The processing flow in the outbound direction is the reverse process in the inbound direction.

Sub-interface for QinQ VLAN tag termination in symmetric mode

Configuration template:

interface GigabitEthernet1/0/0.1

control-vid 1 qinq-termination

qinq termination l2 symmetry

qinq termination pe-vid 100 ce-vid 10

l2 binding vsi ldp1

The processing flow is as follows:

When the sub-interface for QinQ VLAN tag termination receives a double-tagged packet and uses it as the inbound interface, the sub-interface removes the outer tag from the packet and changes the packet into a single tag. Then, the sub-interface performs the next step.

The processing flow in the outbound direction is the reverse process in the inbound direction.

That is all I want to share with you! Thank you!

  • x
  • convention:

yiyi0519
Created Jul 31, 2018 02:51:58

can we configure the Q-IN-Q below the VPLS or VPWS?
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  • x
  • convention:

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