... transfer modules, lowering user investment and network downtime.Security· Firewall, VPN and other security measures secure the data transfer.Routing protocols ... , PBR, DVMRPSecurityAAA Radius, TACACS+, Firewall, L2TP, PPTP, GRE, IPSec, IKE, MPLS VPNReliabilityPort Backup, HSRP, VRRP, E-backup(BDCOM Proprietary), Ethernet remote ...