10-05-2011 02:58 PM - edited 03-07-2019 02:38 AM
Dears I need do my headquarters (Site A) comunicate to site B and and Site C (Costumers) how can you see at topology below.
Please show me a sample configuration that I do this:
I trie follow this, but not works:
http://packetlife.net/blog/2010/jul/12/ieee-802-1q-tunneling/
Thanks:
Solved! Go to Solution.
10-06-2011 05:12 AM
Ah ok, I see. The router which needs both vlan 10 and 20. Unfortunately you will need to either move one of the subinterfaces to a seperate port on the router and switch, or place another switch between the router and the 3750 switch. Or if you are able to configure the switch which is in the cloud, you could configure the port on it connecting to the 3750 for QinQ.
10-06-2011 05:24 AM
Silvio,
of course you can't do that... who suggested that by the way, I don't see that written anyway in the post or in the link?
Every port can only have ONE single SP tag (S-TAG) which is not requested to be the same used as customer (C-TAG).
Please check this guide which can help you understand how IEEE 802.1Q tunneling (Q-in-Q) works and also clarify what Marius meant with native vlan tagging.
For your setup you either need to change your setup or, if your hw allows that, to go toward something more flexible such as EVC.
Meaning that you either:
1. connect the router to the switch via 2 different cables (removing the trunk) and you configure a different SP tunnel per carried vlan (one for C vlan 10 and 1 for C vlan 20).
2. You get a switch able to configure EVC where you can configure something more flexible.
Example of 802.1Q tunneling on Me3600x/3800x is here:
Riccardo
10-06-2011 06:50 AM
Silvio, the EVC infrastructure is not supported on the 3750ME, even if some commands are available on CLI.
You need another type of switch for EVC (next generation metro such as me3x00x or cat6500 or 7600).
You'd better add a second link between your router and switch and create 2 distinct SP vlans, one carrying vlan 10 and the other vlan 20.
Riccardo
10-07-2011 03:03 AM
if your hw cannot do EVC it cannot do vpls either
10-10-2011 12:23 PM
Please refer to the following document:
Regards,
Edison
10-06-2011 12:27 AM
That document is missing a command that needs to be present. QinQ is based on double tagging, which will not happen if the native vlan is not tagged. To tagg the native vlan you can either issue the interface command switchport trunk native vlan tag or the global configuration command vlan dot1q tag native
A couple other things to make sure are correct:
The switchport mode dot1q-tunnel command should be configured on the switch interfaces that are connected to the routers.
All switch interconnecting links must be trunked.
10-06-2011 04:42 AM
Marius thank, but I dont set like this below
interface FastEthernet1/0/5
switchport access vlan 10
switchport access vlan 20
switchport mode dot1q-tunnel
Or I set vlan 10 or vlan 20, its not accept the two!
I think I need to like something like trunk mode!
Please help me!
10-06-2011 05:24 AM
Silvio,
of course you can't do that... who suggested that by the way, I don't see that written anyway in the post or in the link?
Every port can only have ONE single SP tag (S-TAG) which is not requested to be the same used as customer (C-TAG).
Please check this guide which can help you understand how IEEE 802.1Q tunneling (Q-in-Q) works and also clarify what Marius meant with native vlan tagging.
For your setup you either need to change your setup or, if your hw allows that, to go toward something more flexible such as EVC.
Meaning that you either:
1. connect the router to the switch via 2 different cables (removing the trunk) and you configure a different SP tunnel per carried vlan (one for C vlan 10 and 1 for C vlan 20).
2. You get a switch able to configure EVC where you can configure something more flexible.
Example of 802.1Q tunneling on Me3600x/3800x is here:
Riccardo
10-06-2011 06:12 AM
I trie do EVC, but my Switch not acceto all commands!
Look:
SW01(config-if)#service instance 10 ethernet
SW01(config-if-srv)#?
Ethernet EFP configuration commands:
default Set a command to its defaults
ethernet Configure ether lmi parameters
exit Exit from ETHER EFP configuration mode
no Negate a command or set its defaults
How can you see, the command "encapsulation and bridge" not appear.
Follow information about my equipment:
EQUIP MODEL: ME-C3750-24TE
IOS: c3750me-i5-mz.122-35.SE5
Thank;
10-06-2011 06:50 AM
Silvio, the EVC infrastructure is not supported on the 3750ME, even if some commands are available on CLI.
You need another type of switch for EVC (next generation metro such as me3x00x or cat6500 or 7600).
You'd better add a second link between your router and switch and create 2 distinct SP vlans, one carrying vlan 10 and the other vlan 20.
Riccardo
10-06-2011 02:05 PM
Maybe works with vpls, or not? Because I dont´have 6500 or 7600.
10-07-2011 03:03 AM
if your hw cannot do EVC it cannot do vpls either
10-10-2011 07:20 AM
Please would you known the document that say wats plataform suport technology EVC and VPLS?
Thanks!
10-06-2011 05:12 AM
Ah ok, I see. The router which needs both vlan 10 and 20. Unfortunately you will need to either move one of the subinterfaces to a seperate port on the router and switch, or place another switch between the router and the 3750 switch. Or if you are able to configure the switch which is in the cloud, you could configure the port on it connecting to the 3750 for QinQ.
10-06-2011 02:07 PM
Please how can I do with that you say: "place another switch between the router and the 3750 switch" Could post a sample configuration?
Thanks
10-10-2011 07:44 AM
Silvio,
The devices within the cloud represent the service provider network, correct?
Are they providing you with Layer2 or Layer3 connectivity?
If they are providing Layer3, you can't do Q-in-Q
10-10-2011 10:11 AM
Edilson thanks!
Follow:
The devices within the cloud represent the service provider network, correct?
YES
Are they providing you with Layer2 or Layer3 connectivity?
I providing L2
10-10-2011 12:23 PM
Please refer to the following document:
Regards,
Edison
10-11-2011 05:58 AM
Thank you!
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