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101 lines
3.6 KiB
Markdown
101 lines
3.6 KiB
Markdown
---
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tags: dontlink
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sitemap: true
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---
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# Installing on Ubiquiti EdgeOS
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Yggdrasil is supported on the Ubiquiti EdgeRouter using the
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[vyatta-yggdrasil](https://github.com/neilalexander/vyatta-yggdrasil) package.
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Please note that the package only supports EdgeOS 2.x.
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Perform installation steps over SSH by connecting to the EdgeRouter as the
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`ubnt` user, e.g. `ssh ubnt@192.168.1.1`, or another admin-level user if
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configured.
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## Notes
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- Although your Yggdrasil configuration will persist, the Yggdrasil package itself **does not** survive an upgrade of the EdgeRouter firmware. You must re-add the repository GPG key and re-install the `vyatta-yggdrasil` package after a system upgrade.
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- After upgrading firmware and reinstalling Yggdrasil, use `load` to reload your configuration and then `commit` to make it effective again. Do not run `save` until after you have reloaded your configuration.
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## Install the package
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Download and copy the package onto the router. Once done, log into the router via SSH and use `dpkg` to install it:
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```
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sudo dpkg -i vyatta-yggdrasil-x.x.xxx-mipsel.deb
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```
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## Generate configuration
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Configuration for Yggdrasil is generated automatically when you create an interface, e.g. as `tun0`:
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```
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configure
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set interfaces yggdrasil tun0
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commit
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save
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```
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At this point, Yggdrasil will start running using default configuration, which includes automatic peer discovery of other Yggdrasil nodes on the same network using multicast.
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## Configuration
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Once you have generated a configuration file, as above, then you should make configuration changes (like [adding peers](https://github.com/yggdrasil-network/public-peers)) by editing the `/config/yggdrasil.tun0.conf` file.
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For example, if using `tun0`:
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```
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vi /config/yggdrasil.tun0.conf
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```
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To make configuration changes effective, restart Yggdrasil:
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```
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restart yggdrasil tun0
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```
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## Masquerade
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If you want to allow other IPv6 hosts on your network to communicate through yggdrasil, you can configure an IPv6 masquerade rule. All traffic sent from other hosts on the network through the Yggdrasil interface will be NAT'd.
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For example:
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```
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configure
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set interfaces yggdrasil tun0 masquerade from xxxx:xxxx:xxxx::/48
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commit
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save
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```
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If you have multiple IPv6 subnets, then they can be configured individually by setting multiple `masquerade from` source ranges. Both private/ULA and public IPv6 subnets are acceptable.
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## Default Firewall Config
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Use this as an example firewall configuration, which will allow outgoing connections but prevent unexpected incoming ones, with the exception of ICMPv6 which will be allowed, e.g. if using `tun0`:
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```
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configure
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set firewall ipv6-name YGG_IN default-action drop
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set firewall ipv6-name YGG_LOCAL default-action drop
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set firewall ipv6-name YGG_IN rule 10 action accept
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set firewall ipv6-name YGG_IN rule 10 state established enable
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set firewall ipv6-name YGG_IN rule 10 state related enable
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set firewall ipv6-name YGG_IN rule 20 action drop
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set firewall ipv6-name YGG_IN rule 20 state invalid enable
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set firewall ipv6-name YGG_IN rule 30 action accept
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set firewall ipv6-name YGG_IN rule 30 protocol icmpv6
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set firewall ipv6-name YGG_LOCAL rule 10 action accept
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set firewall ipv6-name YGG_LOCAL rule 10 state established enable
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set firewall ipv6-name YGG_LOCAL rule 10 state related enable
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set firewall ipv6-name YGG_LOCAL rule 20 action drop
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set firewall ipv6-name YGG_LOCAL rule 20 state invalid enable
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set firewall ipv6-name YGG_LOCAL rule 30 action accept
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set firewall ipv6-name YGG_LOCAL rule 30 protocol icmpv6
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set interfaces yggdrasil tun0 firewall in ipv6-name YGG_IN
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set interfaces yggdrasil tun0 firewall local ipv6-name YGG_LOCAL
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commit
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save
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```
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