![]() Set interfaces ethernet eth1 description 'LAN' Set interfaces ethernet eth1 address '10.20.0.1/24' Set interfaces ethernet eth0 description 'WAN' Set interfaces ethernet eth0 address dhcp Let’s set eth0 to the WAN side and eth1 to the LAN side. We have 2 network interface cards, so we need to configure which is which. To save your changes so they persist across reboots, type save.To enter configuration mode, type configure.Those changes then need to be commited and saved to the configuration file. ![]() After that, you can make the changes you want. To make any configuration changes on vyOS, you need to be in configuration mode. Then you can log in with the credentials vyos:your_secure_password Configuring the System Run these commands to install vyos install image Set advanced-firewall sys-traffic-nat add destination 172.16.16.1 snatip 10.10.1.Most of this is following the official documentation to install vyOS on the new VM. Set advanced-firewall sys-traffic-nat add destination snatip You must use this command to translate system-generated traffic. Translate the LAN port's (DHCP relay interface) IP address on the branch office firewall to the DHCP server's IP address at the head office. Enter the following:Įxample: system ipsec_route add host 172.16.16.1 tunnelname PolicyBasedVPN On the CLI, enter 4 for Device console.Īdd a static route from the branch office to the DHCP server in the head office.Apply source NAT on the system-generated traffic to translate the internal source IP address at the branch office to the destination IP address (DHCP server at the head office). On the branch office firewall, add an IPsec route for system-generated traffic to the DHCP server at the head office. On the branch office firewall, configure a site-to-site IPsec connection to the head office.Įnter the key you specified in the head office firewall. Select the Interface from the drop-down list.īranch office: Configure an IPsec connection In this example, it relays the IP addresses leased by the DHCP server on the head office firewall. On the web admin console, go to VPN > IPsec connections and click Add.įirewall rules don't control system-generated traffic.īranch office: Configure a DHCP relay agentĬonfigure the branch office Sophos Firewall as the DHCP relay agent.On the head office firewall, configure a site-to-site IPsec connection to the branch office. Head office: Configure a site-to-site IPsec connection On the head office CLI, enter 4 for Device console.On the head office firewall, turn on IP address lease over IPsec. Head office: Lease IP addresses over an IPsec connection Interface on which Sophos Firewall listens to DHCP requests.ĭNS server details to share with DHCP clients. You must specify your network's settings: Name Head office: Specify the DHCP server settingsĬonfigure Sophos Firewall at the head office as the DHCP server to lease dynamic IP addresses to DHCP clients at the branch office. DHCP server and relay agent: Network diagram In this example, we configure DHCP communication over a site-to-site IPsec connection. The DHCP relay configuration on the branch office firewall forwards DHCP communication between DHCP clients and the server. The DHCP server configuration on the head office firewall leases IP addresses to clients in the branch office. HO firewall as DHCP server and BO firewall as relay agent Jun 10, 2022Ĭonfigure the head office Sophos Firewall as the DHCP server and the branch office Sophos Firewall as the DHCP relay agent. Your browser doesn’t support copying the link to the clipboard. It will remain unchanged in future help versions. Configure DHCP options for Avaya IP phonesĪlways use the following when referencing this page.DHCP server behind HO firewall and BO firewall as relay agent.Branch office: Configure an IPsec connection.Branch office: Configure a DHCP relay agent.Head office: Configure a site-to-site IPsec connection.Head office: Lease IP addresses over an IPsec connection.Head office: Specify the DHCP server settings.DHCP server and relay agent: Network diagram.HO firewall as DHCP server and BO firewall as relay agent HO firewall as DHCP server and BO firewall as relay agent Table of contents.Configure Sophos Firewall as a DHCP server.
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