Product Overview. VNS3 is a software-only virtual appliance for Connectivity, Federation & Security in AWS. VNS3 acts as many devices in 1: router, switch, SSL/IPSec VPN concentrator, firewall, protocol re-distributor, flexible network edge plugins, with a DevOps/SecOps capable API.
Concentrator configuration. config vpn ipsec concentrator Description: Concentrator configuration. edit
In most cases, IPSec VPN traffic does not pass through ISA Server 2000. However, Cisco Concentrator 3300, with the latest firmware updates, uses "transparent tunneling" that uses User Datagram Protocol (UDP) ports 500, 4500, and 10000 to communicate securely between VPN clients and concentrators.
This document shows how to configure an IPsec tunnel between a Cisco VPN 3000 Concentrator and a Cisco router with Advance Encryption Standard (AES) as the encryption algorithm. AES is a new Federal Information Processing Standard (FIPS) publication created by the National Institute of Standards and Technology (NIST) to be used as an encryption A VPN concentrator is a type of networking device that provides secure creation of VPN connections and delivery of messages between VPN nodes. It is a type of router device, built specifically for creating and managing VPN communication infrastructures.
A VPN Concentrator vs. a Site to Site VPN: It is important to keep in mind that a VPN Concentrator is typically used in those scenarios where there is a One to Many (1: N) set up. This simply means that many remote employees are logging into just one physical location, where the server resides at.
The hub functions as a concentrator on the network, managing all VPN connections between the spokes. VPN traffic passes from one tunnel to the other through the hub. You define a concentrator to include spokes in the hub-and-spoke configuration. You create the concentrator in VPN > IPsec > Concentrator and select Create New. A concentrator Concentrator configuration. config vpn ipsec concentrator Description: Concentrator configuration. edit