This document describes several advanced configuration topics of the Firewall. This includes topics like the Deactivation of the Firewall, Marking packets for processing in the traffic shaping, NAT topics especially in conjunction with IPSEC as well as the handling of DSCP and TOS tags.

This document explains the Configuration of OSPF and RIP routing protocols. It also details how subnets and rotuing within the same subnet can be configured.

This document explains the how to setup a Roadwarrior VPN with the built-in L2TP client. It gives hints on how to configure both the Server and the Client. Also some special information is dedicated to the configuration of the built-in Windows client. It also explains how to enable a VPN watchdog functionality to monitor and keep the VPN Tunnel up at all times.

This document describes how to configure the Comdasys DHCP server to send custom DHCP options. It is possible to send out arbitrary options and it is also possible to do that on a per client basis.
The Comdasys devices can be configured as a DHCP client. This explains you how to use information assigned by the DHCP server via options to change some configuration on the unit.
Lastly some troubleshooting hints are described.

This document explains how to manually control the LAN link speed and not to rely on the autinegotiation with the switch.

A VRRP Status change can make additional actions necessary. For that reason there are event handlers in the Convergence that can be customized to execute certain actions if the device becomes the master or returns to slave mode in a VRRP redundancy scenario.

This document describes the special consideration that have to be taken when using the Convergence as both VPN endpoint in conjunction with VoIP Survivability and Branch Session Border Controller function. It explains how to configure the firewall securely and how to come up with a correct interface configuration.

This document gives some general information about VRRP and the failover scenario that can be set up with products of the Mobile Convergence and Convergence(GW) series. It also describes the necessary steps for the configuration of two redundant (Mobile) Convergences.

This document will give you an overview of the advantages provided by the VLAN technology as well as two examples for the implementation of VLANs with the Comdasys Convergence and ConvergenceGW Series.

This document describes how to set up two internet connections with different providers. The information as given is directed at experienced system administrators.