Ubiquiti Edgerouter Tutorial

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124 posts

Master Geek

#2231477 6-May-2019 10:44

Reboots, So my ERx on 2.01 has started to do random reboots. So bad is it, that I have had to remove it from service and dig the MyRepublic TR789 out of storage.

The symptom is that all networking stops, come back after about 3min, I login to the ER and see the uptime has been reset, so clearly has just restarted. I had a similar issue a while back, and traced it (thinks to this group) to a very old NIC firmware on a HP workstation I had just added to the network. Thinking this issue might the issue, I unplugged this machine from the network. Apart from adding a new iphone 8 to the network. there has been no changes, for ages, (the iphone was in son's pocket at school during the last crash this morning, so I doubt it's that). This has happened maybe 3 or 4 times I know of, and in these cases, on two of these occasions, it had also locked up the ONT, in that there was NO flashing lights on the ONT, a full power cycle of everything is required to get service back.

My setup is pretty simple, ONT-ERX-GranstreamGWN7610 I have one xbox's plugged directly into the ERX, (just cause I can) and a link to an eight port switch with all other LAN connected devices plugged into it (that HP workstation, another xbox, Cisco Pap2, WD Media player).

Where to start.?

What if any logs/errors can I look at?

I could downgrade to the 1.XX, but is has been suggested given the rather significant changes from 1.X to 2.X that might cause more grief?

A factory reset?

I know they are working on a update, but it's been withheld for the ERX due to file corruption issues.

Any suggestions welcomed.

Thanks

Nic.

dfnt

defiant
1094 posts

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Lifetime subscriber

#2231482 6-May-2019 10:55

It might pay to roll back to 1.x because there's a regression from 2.x onwards with the ER-X that causes random filesystem corruption

We do not release v2.0.3 for ER-X/ER-X-SFP/EP-R6 models because we still did not fix regression from v2.0.0 that is causing random filesystem corruption of ER-X. When running stress tests on lab routers we were able to reproduce this issue few times - it seems that SQUASHFS filesystem image somehow becomes corrupted when ER-X is low on RAM, is doing a lot swapping and kernel's OOM manager is killing userspace tasks. Fix for this issue is not yet available because it's very hard to reproduce and catch filesystem corruption bug. WIP

nicmair

124 posts

Master Geek

#2231559 6-May-2019 12:21

reverted to 1.10.9, lets see how that works out.

eong

15 posts

Geek

#2237075 15-May-2019 00:33

Thanks for the tutorial.

I'm using the Edgerouter X with Orcon Fibre. I tried to follow the wizard to setup the eth0.10 interface as Internet, with dhcp. But the router cannot obtain an IP address from ISP. Is it an Orcon specific issue? Or a configuration issue?

Azzura

417 posts

Ultimate Geek

#2237081 15-May-2019 06:55

Well there was this -

https://community.ubnt.com/t5/EdgeMAX-Updates-Blog/Recalling-EdgeRouter-firmware-v2-0-1-for-ER-X-ER-X-SFP-and-EP-R6/ba-p/2753322

eong

15 posts

Geek

#2238691 16-May-2019 00:05

eong:

Thanks for the tutorial.

I'm using the Edgerouter X with Orcon Fibre. I tried to follow the wizard to setup the eth0.10 interface as Internet, with dhcp. But the router cannot obtain an IP address from ISP. Is it an Orcon specific issue? Or a configuration issue?

Just to confirm that Orcon limit mac address, so you have to copy the mac address from the router they gave to you. It's not the one at the bottom of the router but based on it. You can telnet into it to find it out.

Jedi

10 posts

Wannabe Geek

#2239508 16-May-2019 20:20

I have a EdgeMax and EdgeSwitch 8. I have a 192.168.1.0/24 network on eth1 with a printer on it with with a static IP of 192.168.1.124. I also have a 192.168.3.0/24 VLAN on eth1.20 with some linux computers on it. Linux uses port 631 for printing.

I am wondering if it is possible to utilize the NAT functionality of the EdgeMax to NAT all port 631 packets leaving the 192.168.3.0/24 network to 192.168.1.124:631.

The goal is for both networks to use the same printer avoiding the necessity to have two printers.

This is what I have tried:

But I get the error "Validation error - Can not use translation port when translating one subnet to another"

Is what I am attempting to do even possible and if so am I going about it the right way?

fe31nz

503 posts

Ultimate Geek

#2239580 16-May-2019 23:06

Jedi:

I have a EdgeMax and EdgeSwitch 8. I have a 192.168.1.0/24 network on eth1 with a printer on it with with a static IP of 192.168.1.124. I also have a 192.168.3.0/24 VLAN on eth1.20 with some linux computers on it. Linux uses port 631 for printing.

I am wondering if it is possible to utilize the NAT functionality of the EdgeMax to NAT all port 631 packets leaving the 192.168.3.0/24 network to 192.168.1.124:631.

The goal is for both networks to use the same printer avoiding the necessity to have two printers.

This is what I have tried:

But I get the error "Validation error - Can not use translation port when translating one subnet to another"

Is what I am attempting to do even possible and if so am I going about it the right way?

That error message says that what you are trying to do is not possible using NAT. But it is not necessary to use NAT - all you need is for your router to be set up to allow traffic between the two subnets, and the rest can be done using the CUPS configuration files. Take a look at this tutorial:

http://www.linuxplanet.com/linuxplanet/tutorials/6598/1/

CokemonZ

386 posts

Ultimate Geek

#2239945 17-May-2019 13:25

Well - I finally moved to gigabit and fibre on 2 degrees, and was looking at enabling ipv6 on the Edgerouter PoE.

Wow - it is super complex - and while the directions here are fairly understandable I am terrified of screwing it up.

The biggest thing is that it looks like 90% of the requirements are available through the GUI, just it seems like there are many ways to configure it.

I am kinda wishing I had the USG to be honest.

michaelmurfy

/dev/null
9080 posts

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#2239948 17-May-2019 13:31

@CokemonZ The Edgerouter and USG are different in many ways - the USG is designed to be simple where the Edgerouter is a little more complex.

IPv6 configuration via the GUI is expected to eventually arrive to EdgeOS but currently it is mostly CLI only. It is simple to enable (only a few commands as per my guide) and I am currently running an Edgerouter 4 with 2degrees IPv6 on it fine.

Personally (for me) I think the USG is actually a little more difficult to get configured with IPv6 as it depends on the ISP where the Edgerouter is a few commands and done.

CokemonZ

386 posts

Ultimate Geek

#2239949 17-May-2019 13:37

michaelmurfy:

@CokemonZ The Edgerouter and USG are different in many ways - the USG is designed to be simple where the Edgerouter is a little more complex.

IPv6 configuration via the GUI is expected to eventually arrive to EdgeOS but currently it is mostly CLI only. It is simple to enable (only a few commands as per my guide) and I am currently running an Edgerouter 4 with 2degrees IPv6 on it fine.

Personally (for me) I think the USG is actually a little more difficult to get configured with IPv6 as it depends on the ISP where the Edgerouter is a few commands and done.

The guide is pretty simple - and thanks for that - it's great work! and you helped me get this thing running in the first place and it is rock solid.

It is that I am at best a hobbiest networker, and this is starting to get out of where I am comfortable with.

Managing virtual interfaces, the ipv6 firewall rules it is all pretty intense and new, and what my concern is is about being able to effectively troubleshoot.

It definitely seems like the sort of thing that as you have to know the ins and outs of your entire config, it is very easy to break

CokemonZ

386 posts

Ultimate Geek

#2239955 17-May-2019 13:51

So - here is a first example:

The guide says to check your config and make sure this command is right for you: set interfaces ethernet eth0 vif 10 pppoe 0 ipv6 enable

I believe my VIF is eth0.10 - But there is no real way for me to test that.

Unlike the ipv4 config where it seemed obvious how to configure it.

fe31nz

503 posts

Ultimate Geek

#2240263 17-May-2019 21:53

CokemonZ:

So - here is a first example:

The guide says to check your config and make sure this command is right for you: set interfaces ethernet eth0 vif 10 pppoe 0 ipv6 enable

I believe my VIF is eth0.10 - But there is no real way for me to test that.

Unlike the ipv4 config where it seemed obvious how to configure it.

It depends on how your ISP does their connections, but it will be the same as how your IPv4 is done. So if your IPv4 is PPPoE on VLAN 10, then your IPv6 will be the same, and the above will work. It is no more nor less obvious than for IPv4.

michaelmurfy

/dev/null
9080 posts

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#2240272 17-May-2019 22:30

CokemonZ:

So - here is a first example:

The guide says to check your config and make sure this command is right for you: set interfaces ethernet eth0 vif 10 pppoe 0 ipv6 enable

I believe my VIF is eth0.10 - But there is no real way for me to test that.

Unlike the ipv4 config where it seemed obvious how to configure it.

It is the same as your web interface if that makes it easier to understand - for example I've got PPPoE over VLAN 10 running on Ethernet 0 so mine would look like the examples provided. I can't provide configuration for every possible configuration type out there.

Run "show interfaces ethernet eth0 vif 10" to check your configuration under that - if you've got PPPoE running (as you stated, you're with 2degrees so will) it should be that so the configuration, assuming your ONT is plugged into eth0 will be literally the same as the firewall rules (as they're from my router).

eong

15 posts

Geek

#2240279 17-May-2019 22:56

In my er-x with firmware 1.10.9, there is an option named "DHCPv6 PD" in the "Basic Setup" of wizards. I just used this to create everything I need for IPV6 and it worked fine.

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