What is Cisco ASA remote access VPN?
Cisco ASA Remote Access VPN. The remote user requires the Cisco VPN client software on his/her computer, once the connection is established the user will receive a private IP address from the ASA and has access to the network. The Cisco VPN client is end-of-life and has been replaced by the Cisco Anyconnect Secure Mobility Client.
How does the ASA assign IP addresses to remote users?
The ASA will assign IP addresses to all remote users that connect with the anyconnect VPN client. We’ll configure a pool with IP addresses for this: Remote users will get an IP address from the pool above, we’ll use IP address range 192.168.10.100 – 200.
How do I connect to the ASA from another computer?
This allows remote users to connect to the ASA and access the remote network through an IPsec encrypted tunnel. The remote user requires the Cisco VPN client software on his/her computer, once the connection is established the user will receive a private IP address from the ASA and has access to the network.
What are the requirements for remote access VPN configuration on ASA/Pix?
Note: Refer to PIX/ASA 7.x and Cisco VPN Client 4.x with Windows 2003 IAS RADIUS (Against Active Directory) Authentication Configuration Example for more information on remote access VPN configuration on ASA/PIX and Cisco VPN client. There are no specific requirements for this document.
How do I add a static route to my VPN?
3 AnswersFind the interface number of the VPN by running "route print" from the command prompt and use this for the IF argument in the command below.Add a static route for the IP range concerned using "route add" (with -p to make it permanent): route add x.x.x.x mask 255.255.255.0 0.0.0.0 IF yy -p.
How do I add a static route in ASA firewall?
Static Route Configuration:ASA(config)# route [interface name] [destination address] [netmask] [gateway]! First configure a default static route towards the default gateway. ASA(config)# route outside 0.0.0.0 0.0.0.0 200.1.1.1.! Then configure an internal static route to reach network LAN2.
Can Cisco ASA do route based VPN?
ASA supports route-based VPN with the use of Virtual Tunnel Interfaces (VTIs) in version 9.8 and later.
How do I assign a static IP address to AnyConnect?
AD Account ModificationTick the “Assign Static IP Address” box.Click the “Static IP Address” button.Tick “Assign a static IPv4 address” box and enter and IP address from within the IP address range defined on the Cisco ASA appliances.
How do you configure a default route on an ASA?
Configure a Default Route A default route is simply a static route with 0.0. 0.0/0 as the destination IP address. ASA would be configured using the command route {nameif}.
How do you set a default route on a Cisco router?
Perform these steps to configure a default route.Enter global configuration mode. device# configure terminal.Enter 0.0. 0.0 0.0. ... (Optional) Enable the default network route for static route next-hop resolution. ... (Optional) Configure next-hop recursive lookup to resolve the next-hop gateway.
What is the difference between route-based and policy-based VPN?
In a policy-based VPN configuration, the action must be permit and must include a tunnel. Route-based VPNs support the exchange of dynamic routing information through VPN tunnels. You can enable an instance of a dynamic routing protocol, such as OSPF, on an st0 interface that is bound to a VPN tunnel.
What is route-based VPN?
A route-based VPN is a configuration in which an IPsec VPN tunnel created between two end points is referenced by a route that determines which traffic is sent through the tunnel based on a destination IP address.
Does Cisco ASA support VTI?
About Virtual Tunnel Interfaces The ASA supports a logical interface called Virtual Tunnel Interface (VTI).
How do I add a connection to Cisco AnyConnect?
InstallUninstall any previous versions of Cisco AnyConnect.Install Cisco AnyConnect app from the Apple App Store or Google Play Store.Open the Cisco AnyConnect app.Select Add VPN Connection.Enter a Description, for example, CMU VPN and the Server Address vpn.cmu.edu.If prompted, allow the changes.Click Save.
How do I configure gateway of last resort?
Default route and gateway of last resort are sometimes used interchangeably, but I will be specific on the methods used pertaining to the commands for this example.Step 1: Connect to your router. ... Step 2: Use 'ip default-network' command to create Default Route. ... Step 3: Use 'ip route' command as gateway of last resort.
What is default TCP session timeout in Asa?
The default connection timeout value of one hour is applicable to all other TCP applications.
What is a transparent firewall?
A transparent firewall, also known as a bridge firewall, is a Layer 2 application that installs easily into an existing network without modifying the Internet Protocol (IP) address. The transparent firewall is not a routed hop but instead acts as a bridge by inspecting and moving network frames between interfaces.
How can allow packets from lower security level to higher security level?
For the lower to higher use case you just need to permit it with an access-list and then assign the access-list with the access-group command.
How many interfaces does an ASA have?
The ASA has two interfaces: inside and outside. Imagine the outside interface is connected to the Internet where a remote user wants to connect to the ASA. On the inside we find R1, I will only use this router so the remote user has something to connect to on the inside network. Let’s look at the configuration!
What is VPN_POLICY?
The group policy is called VPN_POLICY and it’s an internal group policy which means it is created locally on the ASA. You can also specify an external group policy on a RADIUS server. I added some attributes, for example a DNS server and an idle timeout (15 minutes). Split tunneling is optional but I added it to show you how to use it, it refers to the access-list we created earlier.
Does Cisco VPN require ASA?
The remote user requires the Cisco VP N client software on his/her computer, once the connection is established the user will receive a private IP address from the ASA and has access to the network .
Can remote VPN users access certain networks?
If you want to configure an access-list so the remote VPN users can only reach certain networks , IP addresses or ports then you can apply this under the group policy.
Can you use VPN on remote network?
If you don’t want this then you can enable split tunneling. With split tunneling enabled, we will use the VPN only for access to the remote network. Here’s how to enable it:
What does VPN-sessiondb svc do?
show VPN-sessiondb svc —Displays the information about the current SSL connections.
What does TDG do after routing packets?
After the packets are routed to the TDG, which is Router 2 in this case, it performs the address translation to route those packets ahead to the Internet. For more information on configuring a router as an Internet Gateway, refer to How to Configure a Cisco Router Behind a Non-Cisco Cable Modem.
Can you observe additional configuration in CLI?
In the CLI, you can observe some additional configuration. The complete CLI configuration is shown below and important commands have been highlighted.
What happens when a VPN user terminates a session?
Normally when the remote VPN user terminates the session, the anyconnect installer will be uninstalled. The anyconnect keep-installer installed command leaves it installed on the user’s computer.
What is AnyConnect VPN?
Anyconnect is the replacement for the old Cisco VPN client and supports SSL and IKEv2 IPsec. When it comes to SSL, the ASA offers two SSL VPN modes: Clientless WebVPN. AnyConnect VPN. The clientless WebVPN method does not require a VPN client to be installed on the user’s computer. You just open your web browser, ...
What happens when you have an inbound access list?
When you have an inbound access-list on the outside interface then all your decrypted traffic from the SSL WebVPN has to match the inbound access-list. You can either create some permit statements for the decrypted traffic or you can just tell the ASA to let this traffic bypass the access-list:
Why does my client tries to download AnyConnect?
The client tries to download the Anyconnect automatically, this is because of the anyconnect ask none default anyconnect command that we used. Since we are using a self-signed certificate you will get the following error message:
What is the IP address of AnyConnect?
You can see that we received IP address 192.168.10.100 (the first IP address from the VPN pool). Anyconnect creates an additional interface, just like the legacy Cisco VPN client does.
When remote users connect to our WebVPN, do they have to use HTTPS?
The following option is not required but useful, whenever someone accesses the ASA through HTTP then they will be redirected to HTTPS:
What is an ayconnECT_policy?
The group policy is called “ANYCONNECT_POLICY” and it’s an internal group policy which means that we configure it locally on the ASA. An external group policy could be on a RADIUS server.
Introduction
This document describes how to configure and troubleshoot the Reverse Route Injection (RRI) on the Cisco Security Appliance (ASA/PIX).
Background Information
Reverse Route Injection (RRI) is used to populate the routing table of an internal router that runs Open Shortest Path First (OSPF) protocol or Routing Information Protocol (RIP) for remote VPN Clients or LAN²LAN sessions.
Configure
In this section, you are presented with the information to configure the features described in this document.
Troubleshoot
This section provides information you can use to troubleshoot your configuration.
