Remote-access Guide

configure remote access vpn on cisco asa 5516 cluster

by Mariah Dickens Published 3 years ago Updated 2 years ago

Where does remote access VPN problem originate?

How to create a connection profile for RA VPN?

How to complete a VPN connection?

How to view VPN configuration?

What is AnyConnect client profile?

Why create a VPN profile?

Where is change of authorization policy configured?

See 4 more

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How do I access my Cisco ASA remotely?

There are eight basic steps in setting up remote access for users with the Cisco ASA.Configure an Identity Certificate.Upload the SSL VPN Client Image to the ASA.Enable AnyConnect VPN Access.Create a Group Policy.Configure Access List Bypass.Create a Connection Profile and Tunnel Group.Configure NAT Exemption.More items...•

How do I enable VPN on ASA?

Set up VPN on a Cisco ASA deviceOpen ASDM.Go to Wizards VPN Wizards. IPsec (IKEv1) Remote Access VPN Wizard.Bypass the interface access lists: ... Click Next.Choose Microsoft Windows client using L2TP over IPsec and check the box for MS-CHAP-V2.Click Next.Authenticate the machine: ... Click Next.More items...

Which VPN does VPN load balancing on the ASA support?

Load balancing is the ability to have Cisco VPN Clients shared across multiple Adaptive Security Appliance (ASA) units without user intervention. Load-balancing ensures that the public IP address is highly available to users.

How do I set up AnyConnect on ASA?

Configure AnyConnect ConnectionsConfigure the ASA to Web-Deploy the Client.Enable Permanent Client Installation.Configure DTLS.Prompt Remote Users.Enable AnyConnect Client Profile Downloads.Enable AnyConnect Client Deferred Upgrade.Enable DSCP Preservation.Enable Additional AnyConnect Client Features.More items...•

How is Cisco VPN configured?

Steps for setting up a VPNStep 1: Line up key VPN components. ... Step 2: Prep devices. ... Step 3: Download and install VPN clients. ... Step 4: Find a setup tutorial. ... Step 5: Log in to the VPN. ... Step 6: Choose VPN protocols. ... Step 7: Troubleshoot. ... Step 8: Fine-tune the connection.

How does remote access VPN Work?

A remote access VPN works by creating a virtual tunnel between an employee's device and the company's network. This tunnel goes through the public internet but the data sent back and forth through it is protected by encryption and security protocols to help keep it private and secure.

Is Cisco AnyConnect SSL or IPsec?

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.

How does load balancing work in a VPN?

A load-balanced network provides high availability of critical TCP/IP-based services, such as the Internet and virtual private networking (VPN). Load balancing also ensures detection of device failures and automatic redistribution of traffic to surviving devices in the network.

What is the default priority for a VPN cluster member?

The first member in the cluster will be the primary by default.

How do I enable AnyConnect?

Launch the Cisco AnyConnect Secure Mobility Client client. If you don't see Cisco AnyConnect Secure Mobility Client in the list of programs, navigate to Cisco > Cisco AnyConnect Secure Mobility Client. When prompted for a VPN, enter su-vpn.stanford.edu and then click Connect.

How does Cisco AnyConnect VPN client work?

When a user opens a VPN session using Cisco AnyConnect, the AnyConnect client connects to the adaptive security appliance using SSL. The client authenticates with the adaptive security appliance and is assigned an internal IP address on the network.

What type of VPN is Cisco AnyConnect?

Cisco AnyConnect VPNs utilize TLS to authenticate and configure routing, then DTLS to efficiently encrypt and transport the tunneled VPN traffic, and can fall back to TLS-based transport where firewalls block UDP-based traffic.

Does ASA support server load balancing?

On the ASA you need to create the static NAT entries for your servers and ACLs (so it will allow the traffic through). If you need to load-balance between internal servers, you can do that using DNS or a load-balancer but it's not a function of the ASA.

What is ASA clustering?

The Cluster Control Link is a port channel. This is a unique port-channel on each ASA, connecting to Nexus switches by vPC. The port-channel is not given a name, and cannot be a management interface. The documentation says to configure the port-channel with mode on.

Remote Access VPN - Cisco

Bias-Free Language. The documentation set for this product strives to use bias-free language. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality.

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, ...

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 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 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.

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.

Where does remote access VPN problem originate?

Remote access VPN connection issues can originate in the client or in the Firepower Threat Defense device configuration. The following topics cover the main troubleshooting problems you might encounter.

How to create a connection profile for RA VPN?

Choose Device > RA VPN > Connection Profiles , and create a connection profile that uses this RADIUS server group.

How to complete a VPN connection?

To complete a VPN connection, your users must install the AnyConnect client software. You can use your existing software distribution methods to install the software directly. Or, you can have users install the AnyConnect client directly from the Firepower Threat Defense device.

How to view VPN configuration?

Click View Configuration in the Device > Remote Access VPN group.

What is AnyConnect client profile?

AnyConnect client profiles are downloaded to clients along with the AnyConnect client software. These profiles define many client-related options, such as auto connect on startup and auto reconnect, and whether the end user is allowed to change the option from the AnyConnect client preferences and advanced settings.

Why create a VPN profile?

You can create a remote access VPN connection profile to allow your users to connect to your inside networks when they are on external networks, such as their home network . Create separate profiles to accommodate different authentication methods.

Where is change of authorization policy configured?

Most of the Change of Authorization policy is configured in the ISE server. However, you must configure the FTD device to connect to ISE correctly. The following procedure explains how to configure the FTD side of the configuration.

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