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Tag: EdgeRouter4


EdgeRouter: End of the Road Ultimate Reset

I have a spare EdgeRouter 4 that was bricked but still appears operational, probably just having some sort of a boot error that I can’t see. I’ve been hunting for a more serious level factory reset guide and came across this (something I have yet to try): manual TFTP Recovery. Hope it helps if you’re stuck.

https://help.ui.com/hc/en-us/articles/360018189493-EdgeRouter-Manual-TFTP-Recovery#7

(Archived): https://westerfunk.net/archives/technology/EdgeRouter%20TFTP%20Manual%20Recovery/

IPv6 Firewall Rules (EdgeRouter 4) – Part 3

In my last post, I explained how to go about utilizing IPv6 prefix delegation using a Ubiquiti EdgeRouter 4, connected to an AT&T internet router that has IPv6 enabled on both the WAN and the LAN side. Now we’re going to walk through the basic firewall rules you need in place to protect your IPv6 network. And when I say basic, I mean the bare minimum to make sure the entire internet can’t get to your IPv6 devices, because if you’ve finished with the last post, your devices are likely open right now. 😐

Enabling IPv6 Prefix Delegation on AT&T Internet for a Second Firewall (EdgeRouter 4) – Part 2

From the outset, it’s important to note that this is intended only for those who already have completed part one on the AT&T router, which is 1) enabling IPv6 on the LAN side and 2) enabling prefix delegation for the LAN. In addition, I’m using a Ubiquiti EdgeRouter 4 for my second firewall and this guide reflects that. However, if you’re using another IPv6 capable router, you may be able to glean settings from this and match them to your configuration.

Ubiquiti EdgeRouter 4 IPv6 Setup

Update: for a newer version of this information set within the Config Tree portion of the web interface of the EdgeRouter 4, read this post, with pictures and all! 🙂 https://davidwesterfield.net/2021/03/enabling-ipv6-prefix-delegation-on-att-internet-for-a-second-firewall/


I’m archiving this information for future reference because I (or others) may need it. This was extremely helpful in getting AT&T’s allotted IPv6 subnet(?) (properly called: delegated prefix) setup in my EdgeRouter 4, although I wound up having to use the web interface and configuring the same settings within the Config section. Without further ado (or a whole lot of ado below) here is Bradley Heilbrun’s explanation.


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