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Supported Applications for Dedicated and Shared Tunnel-Server Ports

Dedicated and shared tunnel-server ports provide support for some or all of the following applications and services, depending on the capabilities of the tunnel-server module on which the port resides:

Distance Vector Multicast Routing Protocol (DVMRP) tunnels, also known as IP-in-IP tunnels
Generic routing encapsulation (GRE) tunnels
IPSec (on ISMs only)
Layer 2 Tunneling Protocol (L2TP) network server (LNS) support
IP packet reassembly for tunnels
Network Address Translation (NAT)

Note: Support for IP reassembly and NAT services on shared tunnel-server ports depends on the capabilities of the module on which the shared tunnel-server port resides.

For a list of applications and services that dedicated and shared tunnel-server modules support on ERX-7xx models, ERX-14xx models, and the ERX-310 router, see ERX Module Guide, Appendix A, Module Protocol Support.

For a list of applications and services that dedicated tunnel-server modules support on the E120 and E320 routers, see E120 and E320 Module Guide, Appendix A, IOA Protocol Support.

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