Binding VLL to VLANIF, VLAN Encapsulation Mode

Latest reply: Oct 31, 2018 08:05:43 469 8 11 1

1.1 Configuration Information:
On PE1:
#
Interface Vlanif16
  Mpls l2vc 111.111.111.111 90
#
On PE2:
#
Interface Vlanif18
  Mpls l2vc 90.90.90.90 90
#

1.2 Packets Entering the Tunnel:
Sends a packet with VLAN 16 from CE1:
 figure47
When the tunnel is added to the tunnel, the packets in the original packet are forwarded to the peer PE2. The packets received on the peer PE2 are as follows:
 figure48
If the packet sent by CE1 carries two layers of tags, the VLAN information in the packet will not be modified and the MPLS information will be directly encapsulated.
1.3 Packets Out of Tunnel:
After receiving the MPLS packet, the PW2 needs to decapsulate the packet and replace the VLAN 16 in the original packet with the VLAN corresponding to the VLANIF of the L2VC. The other content is consistent with the original packet:
 figure49
If the packet sent by CE1 carries two layers of tags, PE2 modifies the outer VLAN ID of the packet to the VLAN corresponding to the VLANIF of the L2VC. The other content is the same as the original packet.
1.4 Supplementary notes:
The versions are implemented consistently.

 

The summary of  Handling of VLANs in Packets in Various Versions of L2VPN Configurations .http://forum.huawei.com/enterprise/en/forum.php?mod=viewthread&tid=453137

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wanglei259
Created Oct 29, 2018 00:54:15 Helpful(0) Helpful(0)

Thanks for your sharing ,which is a wonderful guidance, i really interested in this article, which is useful for us and improvement product technology and become to a professional engineer .
I hope that you can insist post new kownlege and skills, i will alawys keep an eye on your sharing.

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lizhi94
Created Oct 29, 2018 00:57:59 Helpful(0) Helpful(0)

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thanks very much for your sharing. we are so happy for your next sharing like this.
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SupperRobin
Created Oct 29, 2018 00:58:12 Helpful(0) Helpful(0)

  Thanks for you share. That If the packet sent by CE1 carries two layers of tags, PE2 modifies the  outer VLAN ID of the packet to the VLAN corresponding to the VLANIF of  the L2VC. The other content is the same as the original packet. This post was last edited by SupperRobin at 2018-10-31 07:17.
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Skay
Created Oct 29, 2018 00:58:49 Helpful(0) Helpful(0)

Thanks for your sharing , i am some question about this part , i want to discussing with you directly .
If the packet sent by CE1 carries two layers of tags, PE2 modifies the outer VLAN ID of the packet to the VLAN corresponding to the VLANIF of the L2VC. The other content is the same as the original packet.
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w1
Created Oct 29, 2018 01:16:11 Helpful(0) Helpful(0)

This case about VLL working with VLANIF are very clears and the example is very good, if all huawei devices can support this function or juct some of them can support ?
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GongXiaochuan
Created Oct 29, 2018 01:39:08 Helpful(0) Helpful(0)

learning the case and help me a lot for daily troubleshooting

This post was last edited by GongXiaochuan at 2018-10-31 05:59.
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limgsc
Created Oct 31, 2018 03:41:10 Helpful(0) Helpful(0)

your document is work for me , i get the point , fix my issue by your doc thanks you very much ,
also hope you public more doc that levle like this .
would you please also mention where from the technical detail , i can found it from orignial part .
from orignial part i can found more correct parameter , this is more important .
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No.9527
Created Oct 31, 2018 08:05:43 Helpful(0) Helpful(0)

Extended network functions and service capabilities for carriers

Carriers can use VLL and enhanced MPLS technologies, such as traffic engineering (TE) and quality of service (QoS), to provide users with differentiated services, meeting diversified user requirements.

Interconnection between networks using different Layer 2 protocols

VLL allows an Internet service provider (ISP) network to provide connections and switching services using multiple Layer 2 protocols.
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