In addition to the information presented in this guide, you can refer to the following documents:

• Ciena Vyatta Network OS Tunnels Configuration Guide presents information on the Generic Routing Encapsulation (GRE), including multipoint GRE (mGRE), which is a component of DMVPN. GRE and mGRE commands are described in that guide.
• Ciena Vyatta Network OS Services Configuration Guide presents information on Next Hop Resolution Protocol (NHRP), which is a component of DMVPN. NHRP commands are described in that guide.
• Ciena Vyatta Network OS IPsec Site-to-Site VPN Configuration Guide presents additional information about vRouter support for the IP Security (IPsec) suite of protocols. IPsec commands are described in that guide.
• ,Ciena Vyatta Network OS RIP Configuration Guide Ciena Vyatta Network OS RIPng Configuration Guide, Ciena Vyatta Network OS OSPF Configuration Guide, and Ciena Vyatta Network OS BGP Configuration Guide present information about the dynamic routing protocols supported by the vRouter .