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Voip VLAN behind RED 15

Hello!

We are running UTM 210 on central location and RED 15 on remote locations. UTM Eth0 port is in bridge with RED devices. Recently we decide to start to use local Telco VoIP services.

They gave us their L2 switch with 2 VLANs predefined: 2629 for voice and XXX (I cannot recall now :)) for Internet. On our side we have created tagged VLAN 2629 on all switches on central location as well as on remote locations. On our core switch we have defined port 26 as VLAN 2629 untagged and connected it to Telco switch ("Voice" port).

Telco gave us just VLAN IDs - IP phones are using autoprovision and after we manually set VLAN they are getting IP addresses from Telco DHCP server as well as other settings.

On central location everything is working just fine - IP phones are getting IP addresses and other settings and they are working properly.

On remote locations IP phones cannot get IP address - so they are not working.

This is our layout:

What we did wrong?

Thank you in advance



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  • As far as I know this is not correct.

    I have a similar scenario implemented and it works. 

    It is true that the RED 15 cannot handle VLANs itself but you can configure the switch so that the VLANs are transferred into the RED tunnel. Therefore the UTM is able to handle the VLAN which needs to be binded onto the red interface.

    In this case I would suggest looking at the VLAN configuration at the remote location.