Hello Fedi,

        Public traffic must me "untagged" because the next switch after yours 
will not recognize it if it is tagged.  You need to untag public traffic before 
sending out. To route internally - you need to tag it.   I also have public 
traffic tagged internally and assign tag on ingress and remove tag on egress 
traffic.  This is done by switch configuration.

        VLAN is used for isolation.  You can have same ip ranges on the same 
physical networks without networks to be overlapped. 

Vadim.

-----Original Message-----
From: Fedi Ben Ali [mailto:[email protected]] 
Sent: Thursday, July 02, 2015 5:32 PM
To: [email protected]
Subject: Cloudstack physical network on xenserver

Hello,

On my deploiement cloudstack 4.4 and xenservers 6.2. i have configured multiple 
networks each one for a specific traffic type (Public,management,storage,guest).

these networks are isolated and vlan tagged ,so on my xenservers  i have the 4 
networks each with a specific name label and pointing to a Vlan.

when i added the public ip range ,i did not mention the VLAN number of my 
public network.

Can this cause issues or not ?

and what is the pupose of putting the vlan number on the ip ranges ?

Thx.

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