MPLS/SIP - Physical Termination 7K CUBE

[AMD_GAMER]

We are currently in the process of deploying a new Cisco phone system. We are trying to figure out where to terminate the MPLS connection. The SIP trunk is being delivered over the MPLS connection.

Currently, the MPLS link terminates directly into our 7K. We run BGP over the MPLS link. This layer 3 connection is a /30 - 2 addresses (one on our equipment, one on the service provider). It would seem that we need to terminate the MPLS link onto our new Cisco 4451 cube router instead of the 7K due to only having one address on our side. Is there another way to get SIP to work by leaving the MPLS link physically terminated to the 7K?

[Chris Deren]

Perhaps I missed the annoucement, but what is 7K CUBE?

[AMD_GAMER]

We got this sorted out. Basically no physical changes were needed and we were able to leave the MPLS terminated to the 7K. We provided the local IP address of the CUBE to our SIP provider. The key is that the CUBE is able to route to the provider's SIP addresses. We just pointed the default route on the CUBE to the 7K which was already receiving the BGP routes on the MPLS. These routes contained the addresses for the SIP.

[Dennis Mink]

I was gonna suggest exactly that. LOL.

thanks for the update mate