# Service Module (SM) Module Combination

> Line module label | SERVICE MODULE
> I/O module label | No I/O module
> Number of I/O ports | Not applicable
> Software release | First supported: 5.1.0 Final supported: Not applicable
> Description | 130 W Tunnel Service for IP tunnels, L2F tunnels, and LNS termination
> Type | EFA ASIC
> Capability | IP tunnels LNS termination Network Address Translation Stateful firewall Service Modules on ERX14xx models, ERX7xx models, and the ERX310 router can handle up to 800 Mbps of traffic, depending on the size of the packets. The throughput might be less with packets of smaller sizes.
> Software features | See Service Modules for information about the layer 2 and layer 3 protocols and applications that this module combination supports.
> Model compatibility | ERX7xx models ERX14xx models ERX310 router
> SRP module compatibility | SRP-5G+ SRP-10G SRP-40G SRP-40G PLUS SRP-SE10G
> Module redundancy support | Multiple SMs provide redundancy. See JunosE Physical Layer Configuration Guide, Chapter 6, Managing Tunnel-Service and IPSec-Service Interfaces
> Cables and connectors | Not applicable
> LEDs | See Module LEDs.
> Alarms, errors, and events | See Monitoring Tunnel-Service Interfaces in JunosE Physical Layer Configuration Guide, Chapter 6, Managing Tunnel-Service and IPSec-Service Interfaces.