---
title: High Availability and Network Behavior
canonical: https://openvpn.net/as-docs/tutorials/high-availability-and-network-behavior/
product: Access Server Docs
---

# High Availability and Network Behavior

## In this section:

- [Tutorial: Configuring UCARP/VRRP Failover Advanced Settings](https://openvpn.net/as-docs/tutorials/tutorial--ucarp-vrrp-failover-advanced.md)
- [Tutorial: Configure Global NAT Behavior Settings](https://openvpn.net/as-docs/tutorials/tutorial--global-nat.md)
- [Tutorial: Managing iptables Settings in Access Server](https://openvpn.net/as-docs/tutorials/tutorial--manage-iptables.md)
- [Tutorial: Allow UDP Multicast and IGMP to Pass Through](https://openvpn.net/as-docs/tutorials/tutorial--udp-multicast-and-igmp-allowed.md)

---

Prev: [Tutorial: Adjusting the Maximum Number of VPN Tunnels](https://openvpn.net/as-docs/tutorials/tutorial--change-maximum-vpn-tunnels.md)
Next: [Tutorial: Configuring UCARP/VRRP Failover Advanced Settings](https://openvpn.net/as-docs/tutorials/tutorial--ucarp-vrrp-failover-advanced.md)
Index: https://openvpn.net/as-docs/llms.txt