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| 1  | Before you can create an MPLS service tunnel, you must create a static LSP, dynamic LSP or segment routing TE LSP. See the following procedures: 
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| 2  | Create an IP/MPLS service tunnel and assign it to an NE as follows: 
Create an IP/MPLS service tunnel; see 
To create an IP/MPLS service tunnel .
Create an IP/MPLS service tunnel using a tunnel template. See 
To create an SDP using a tunnel template . Note: Service tunnels are unidirectional, so they are required in both directions between the source NE and the destination NE.
Create a tunnel administrative group and a tunnel selection profile and assign the tunnel selection profile to an SDP binding. See 
To create a tunnel administrative group  and 
To create an IP/MPLS service tunnel  and 
To create a tunnel selection profile  for more information. 
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| 3  | Create an L2TPv3 tunnel and assign it to an NE as follows: 
Create an L2TPv3 tunnel; see 
To configure an L2TPv3 service tunnel .
Create an L2TPv3 service tunnel using a tunnel template. See 
To create an SDP using a tunnel template . Note: Service tunnels are unidirectional, so they are required in both directions between the source NE and the destination NE. 
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| 4  | Perform one of the following to create an Ethernet service tunnel: 
Create an Ethernet service tunnel endpoint. See 
To configure an Ethernet tunnel endpoint .
Create an Ethernet service tunnel and assign endpoints to the tunnel. See 
To configure an Ethernet tunnel . 
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| 5  | Create transit services on Ethernet rings as required. See 
To configure a transit service on an Ethernet ring . 
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| 6  | As required, discover and list service tunnel information. See 
To discover service tunnels  and 
To discover flow-through services . 
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| 7  | Perform one of the following to view service tunnel information: 
View and manage service tunnels and tunnel elements. See 
To view and manage service tunnels and tunnel elements .
View the service tunnel topology. See 
To view the service tunnel topology . 
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| 8  | As required, run an OAM validation test on a service tunnel. See 
To run an OAM validation test on a service tunnel . |