sophos-xg-firewall-v18-route-based-vpn

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With Edition 18, we have added the route-basedVPN approach into the framework of IPSec VPN functionality.

Route-dependent VPN results in a Digital tunnel interface (VTI) that logically signifies the VPN tunnel, and any traffic that is definitely routed toward this interface is encrypted and despatched across thetunnel.

Static, dynamic, and the new SD-WAN Coverage-basedrouting may be used to route the traffic through the VTI.

The pre-requisite is that the Sophos XG mustbe working SFOS Variation 18 or higher than.

The subsequent would be the diagram we're usingas an instance to configure a Route Based IPsec VPN XG devices are deployed as gateways in theHead Place of work and Branch Workplace areas.

In The pinnacle Workplace community, Port2 is the web-facingWAN interface configured Together with the IP tackle 192.

168.

0.

77.

Port1 could be the LAN interface configured Along with the IP address 172.

16.

one.

thirteen, and its LAN networkresources are in the 172.

sixteen.

1.

0/24 subnet array.

While in the Branch Business community, Port2 is theinternet-dealing with WAN interface configured Along with the IP tackle 192.

168.

0.

70.

Port1 will be the LAN interface configured Together with the IP address 192.

168.

1.

seventy five, and its LAN networkresources are during the 192.

168.

one.

0/24 subnet assortment.

As per the customer’s necessity, the BranchOffice LAN network should be in a position to connect with The pinnacle Workplace LAN community means viathe IPsec VPN tunnel, and also the targeted traffic movement really should be bi-directional.

So, let us begin to see the ways to configure thisscenario on XG Edition eighteen: The Brach Business XG acts as being the initiatorof the VPN tunnel and The top Place of work XG device given that the responder.

So first, we go throughout the configurationsteps to generally be carried out on The pinnacle Business office XG.

Navigate to CONFIGURE>VPN>IPsec Connectionsand click the Add button.

Enter an acceptable title for your tunnel, Allow the Activate on Preserve checkbox so that the tunnel will get activated routinely assoon the configuration is saved.

Select the Link Sort as Tunnel Interfaceand Gateway Style as Answer only.

Then pick out the demanded VPN coverage.

In thisexample, we have been utilizing the in-created IKEv2 coverage.

Select the Authentication Variety as PresharedKey and enter the Preshared Vital.

Now underneath the Area Gateway segment, selectthe listening interface since the WAN Port2.

Below Remote Gateway, enter the WAN IP addressof the Branch Office XG product.

The Community and Remote subnet fields are greyedout because it is often a route-dependent VPN.

Click the Help you save button, and afterwards we are able to see theVPN relationship configured and activated productively.

Now navigate to CONFIGURE>Network>Interfaces, and we can see xfrm interface produced on the WAN interface from the XG system.

This can be thevirtual tunnel interface designed for your IPSec VPN relationship, and when we click it, wecan assign an IP address to it.

The subsequent phase is to produce firewall rulesso that the department Workplace LAN network can enable the head Place of work LAN community trafficand vice versa.

(Firewall rule config)So first, we navigate to safeguard>Regulations and policies>Firewall regulations and then simply click onthe Increase firewall rule button.

Enter an suitable title, find the ruleposition and correct team, logging solution enabled, and after that choose resource zone as VPN.

With the Resource community, we can easily produce a new IP host network object having the IP addressof 192.

168.

1.

0 having a subnet mask of /24.

Pick out the Destination zone as LAN, and forthe Desired destination networks, we generate another IP host community object having the IP addressof 172.

sixteen.

one.

0 using a subnet mask of /24.

Retain the providers as Any then click on theSave button.

Likewise, we develop a rule for outgoing trafficby clicking on the Insert firewall rule button.

Enter an ideal title, pick out the ruleposition and acceptable team, logging choice enabled, then pick out resource zone as LAN.

With the Source community, we choose the IP host item 172.

sixteen.

1.

0.

Pick out the Location zone as VPN, and with the Desired destination networks, we select the IPhost object 192.

168.

one.

0.

Hold the expert services as Any after which click on the Preserve button.

We can route the website traffic via xfrm tunnel interfaceusing possibly static routing, dynamic routing, or SD-WAN Policy routing techniques.

On this movie, We're going to protect the static routing and SD-WAN coverage routing technique for your VPNtunnel traffic.

So, to route the targeted traffic by way of static route, we navigate to Routing>Static routing and click over the Add button.

Enter the destination IP as 192.

168.

one.

0 with subnet mask as /24, decide on the interface asxfrm tunnel https://vpngoup.com interface, and click on the Help save button.

Now with version eighteen, as opposed to static routes, we may use the new SD-WAN Plan routing technique to route the targeted visitors via xfrm tunnelinterface with far more granular options, which is ideal employed in the event of VPN-to-MPLS failover/failbackscenario.

So, to route the visitors by way of policy route, we navigate to Routing>SD-Wan policy routing and click on about the Incorporate button.

Enter an appropriate identify, pick the incoming interface because the LAN port, pick out the Sourcenetwork, as 172.

16.

1.

0 IP host object, the Vacation spot network, as 192.

168.

one.

0 IPhost object, Then in the first gateway selection, we cancreate a completely new gateway to the xfrm tunnel interface Along with the wellbeing check monitoring choice asping to the distant xfrm IP deal with four.

4.

4.

four and after that click on save.

Navigate to Administration>Device Acces and enable the flag linked to PING on theVPN zone to ensure that the xfrm tunnel interface IP is reachable through ping approach.

On top of that, if you have MPLS connection connectivity into the branch Workplace, it is possible to make a gatewayon the MPLS port and select it since the backup gateway, so that the visitors failovers fromVPN to MPLS url Every time the VPN tunnel goes down and failback for the VPN relationship oncethe tunnel is re-set up.

In this example, We are going to maintain the backup gatewayas None and save the coverage.

Now in the command line console, make surethat the sd-wan policy routing is enabled for your reply website traffic by executing this command.

Whether it is turned off, then you can help it by executing this command.

So, this completes the configuration on the Head Workplace XG device.

Within the branch Office environment XG system, we createa similar route-based mostly VPN tunnel that has exactly the same IKEv2 VPN policy, along with the pre-sharedkey, the listening interface since the WAN interfacePort2.

As well as Distant Gateway tackle since the WANIP of Head Office XG product.

After the VPN tunnel is related, we navigateto CONFIGURE>Network>Interfaces and assign the IP handle for the newly developed xfrm tunnelinterface.

To enable the targeted visitors, We are going to navigate toPROTECT>Guidelines and guidelines>Firewall guidelines and build 2 firewall guidelines, 1 with the outboundand 1 to the inbound website traffic stream Along with the branch Place of work and head Workplace LAN networksubnets.

Now, to route the targeted traffic via static route, we are able to navigate to Routing>Static routing and create a static route acquiring the destinationIP because the 172.

sixteen.

one.

0 network With all the xfrm selectedfor the outbound interface.

As discussed earlier, if the routing needsto be done through The brand new SD-WAN policy routing, then we can easily delete the static routes and thennavigate to Routing>SD-Wan plan routing and make a plan havingthe incoming interface since the LAN port, Source community, as 192.

168.

one.

0 IP networkthe Spot network, as 172.

sixteen.

1.

0 community.

Then in the first gateway portion, we createa new gateway within the xfrm tunnel interface with well being Check out monitoring selection as pingfor the distant xfrm IP three.

3.

3.

three And choose it as the first gateway, keepthe backup gateway as None and save the policy.

Within the command line console, we will ensurethat the sd-wan policy routing is enabled with the reply site visitors.

Which completes the configuration about the Department Place of work XG device.

A lot of the caveats and extra informationassociated with Route based mostly VPN in version eighteen are: In the event the VPN site visitors hits the default masqueradeNAT plan, then the targeted traffic gets dropped.

So, to repair it, you could incorporate an explicit SNATpolicy for the connected VPN visitors.

Though It's not recommended generally, but should you configure IPSec link amongst plan-based VPN and route-primarily based VPN and facesome issues, then Be sure that the route-based VPN is stored as responder, to obtain positiveresults.

Deleting the route-centered VPN connectionsdeletes the linked tunnel (xfrm) interface and its dependent configurations.

Unbinding the WAN interface may even delete the corresponding XFRM tunnel interface andthe IPSec VPN relationship.

Here are a few workflow distinctions betweenPolicy-based VPN and Route based VPN: Auto generation of firewall guidelines simply cannot bedone for your route-based style of VPN, as the networks are included dynamically.

In the situations owning the same inner LAN subnet range at the two the head office andbranch Place of work facet, the VPN NAT-overlap really should be attained making use of the worldwide NAT rules.

Now allows see some features not supported asof now, but is going to be addressed in the future launch:GRE tunnel can't be developed over the XFRM interface.

Unable to add the Static Multicast route onthe XFRM interface.

DHCP relay about XFRM.

Finally, let's see a few of the troubleshootingsteps to determine the visitors movement for your route-primarily based VPN relationship: Taking into consideration the identical network diagram as theexample and a pc getting the IP address 192.

168.

1.

71 situated in the Branch officeis seeking to ping the online server 172.

sixteen.

1.

fourteen situated in The top Business.

So to examine the site visitors stream from your Department Place of work XG unit, we navigate to Diagnostics>Packetcapture and click on to the Configure button.

Enter the BPF string as host 172.

sixteen.

one.

14 andproto ICMP and click on the Help you save button.

Enable the toggle change, and we will see theICMP targeted traffic coming from LAN interface Port1 and heading out by means of xfrm interface.

Equally, if we open the Log viewer, choose the Firewall module and search for the IP172.

sixteen.

1.

fourteen, we will begin to see the ICMP visitors passing from the xfrm interface with the unit withthe connected firewall rule ID.

The moment we click on the rule ID, it will automaticallyopen the firewall rule in the principle webUI website page, and accordingly, the administrator can dofurther investigation, if necessary.

In this way, route-based mostly IPSec VPN in SophosXG Edition eighteen can be utilized for connectivity in Head-Business office, Branch-Place of work situations, andcan also be used to establish the VPN connection with the other vendors supporting route-basedVPN technique.

We hope you favored this video and thank youfor watching.