RMU build Gen-1.5: II. Proxmox - E. Add LAN Network Device

This page is part of the Gen-1.5 RMU build runbook.

Go back to the previous section: D. Download ISO Images

E. Add LAN Network Device

1. Select RMU > Network
2. Select Create > Linux Bridge
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3. Bridge vmbr1 with IP 10.10.100.1/24 (CIDR is required) on Bridge port eno2, comment LAN
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4. Create another Bridge and set Name to vmbr2 with IP empty on Bridge port eno5, comment WAN.
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5. After creating the bridge, select the Apply Configuration button
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6. Select your RMU device on the left side. (Note: Everything below this step is not needed when creating the linux bridge vmbr2)
7. Select Shell
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8. Open the following file with your favorite text editor (vi, nano, emacs etc) /etc/network/interfaces
9. Add the following lines at the end of the vmbr1 section (before the LAN comment):
   • Ensure that the spacing is correct:
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   • post-up   echo 1 > /proc/sys/net/ipv4/ip_forward
             post-up   iptables -t nat -A PREROUTING -i vmbr0 -p tcp --dport 443 -j DNAT --to 10.10.100.22:443
             post-up   iptables -t nat -A POSTROUTING -s '10.10.100.0/24' -o vmbr0 -j MASQUERADE
             post-down iptables -t nat -A POSTROUTING -s '10.10.100.0/24' -o vmbr0 -j MASQUERADE

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10. Save and quit the file.
11. After saving the file, in the shell run: cat /proc/sys/net/ipv4/ip_forward
    • (result should be "0")
    • Run: ifup vmbr1 cat /proc/sys/net/ipv4/ip_forward
    • (result should be "1")
    • 

Continue to next section: II. Teleport - A. Create Teleport CT

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