What is the maximum number of VPN tunnels supported by this router?

This router can support up to 75 VPN tunnels and 50 IPsec tunnels.

What types of VPN protocols does the D-Link Gigabit VPN Router support?

The D-Link Gigabit VPN Router supports IPSec, PPTP, L2TP, OpenVPN, and SSL VPN protocols.

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D-Link Gigabit VPN Router | Perfect for Remote Work | 4 Port Gigabit Dual WAN Failover | Enterprise-Grade Encryption | TAA/NDAA Compliant (DSR-250V2)

ALL-IN-ONE VPN FOR REMOTE WORK - Enhanced security to extend your corporate network to homes or remote offices with minimal setupideal for SMBs, entrepreneurs, and hybrid teams .
ENTERPRISE-GRADE SECURITY - Supports IPSec, PPTP, L2TP, OpenVPN, and SSL with strong encryption (DES, 3DES, AES) to help protect data and reduce external threats
DUAL WAN FAILOVER - Automatically switches to a backup internet connection if the primary fails; load balancing improves bandwidth and uptime for critical tasks
TAA/NDAA COMPLIANT- Made in Taiwan and meets strict government and industry standardstrusted by agencies and businesses requiring enhanced data protection
FEATURE-RICH HARDWARE & PERFORMANCE - Equipped with 1×1Gbps WAN, 3×1Gbps LAN, 1×1Gbps configurable LAN/WAN, up to 75 VPN tunnels, 50 IPsec tunnels, 950 Mbps firewall throughput, 50,000 sessions, 300 policies, 16 VLANs, and RIPv1/v2/OSPF dynamic routing