78 lines
4 KiB
Markdown
78 lines
4 KiB
Markdown
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---
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title: Using own OpenWRT router with Vodafone/Cityfibre
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date: 2021-11-04
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tags: [hardware, freedom]
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---
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For something very different this time, a quick recipe for a very specific situation.
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One of the very few fiber-to-the-home solutions in the UK is through Cityfibre, sold as Vodafone "Gigafast" packages where I live. As with other ISPs they give you their own internet router. If you would like to use your own, here's how.
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`TLDR; Obtain PPPoE credentials specific to your account from Vodafone, then use them to configure your router, you need to tag all your packets with VLAN 911.`
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1. Obtain PPPoE credentials from Vodafone. You can do so by using the chat feature on their website. Here's an example chat transcript pasted here for your enjoyment and pleasure
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```
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Tobi : I’m TOBi - Vodafone’s chatbot Ask me anything, I’m here to help.
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You : hi, I would like to swap the provider router for the own router, could you share the PPPoE credentials I would need to use ? thank you
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Tobi : Please try asking your question again using fewer words, making sure you only ask one question at a time. You’ll be able to ask other questions later if you need to.
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You : ppoe credentials
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Tobi : TOBi is thinking...
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TOBi : Sorry, I didn't understand the question. Can you please try rephrasing?
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You : own router ppoe credentials
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TOBi : Sorry, I didn't understand the question. Can you please try rephrasing?
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You : can I speak to a human please ?
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TOBi : Could you tell me your full name please?
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You : xxxxxxxxxxxxxxx
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TOBi : Could you please tell me your phone number?
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You : xxxxxxxxxxx
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TOBi : Please tell me what type of account you have with us:
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TOBi :
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Pay Monthly
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Pay As You Go
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Small Business
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Broadband
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You : Broadband
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Pragya : Hi , you're now connected to Broadband chat support. Please give me 1-2 minutes as I quickly go through your conversation so that you don't have to repeat yourself.
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You : Hi, perfect, thank you :)
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Pragya : Cyryl , Thank you for waiting
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Pragya : As per the pre chat , I understand that you wish to have PPOE details , right , Cyryl ?
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You : that's correct, I'm trying to establish connection using own hardware
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Pragya : Cyryl , Thank you lets do a quick security check ,
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Please share your broadband account number or home phone number once so I can locate your account and proceed further.
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You : account number xxxxxxxxxx
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Pragya : Thank you very much
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Pragya : I have your account ready. Let's complete a quick security check so that I can try to resolve this for you.
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Pragya : Confirm the 2nd and 3rd digit of the security PIn ?
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You : xxxxxxx
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Pragya : Thank you let me verify it
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Pragya : Brilliant that matches the record
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Pragya : Would you mind being online for few minutes, while I am checking the details ?
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You : no problem, thank you
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Pragya : Thank you , Moving away from the chat window or not responding for 8 mins may result in losing the chat. If it does, here's a link to get back to us faster than usual: https://www.vodafone.co.uk/bbservcd
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Pragya : Thank you for waiting
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Pragya : Here is the username - dsl123456789@broadband.vodafone.co.uk
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Pragya : Password is - XXXXXXXX
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```
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2. armed with that knowledge you can configure your router, I'm gonna give an example of configuring an OpenWRT router via their GUI interface LuCI
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* backup your settings
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* -> Network->Interfaces
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* note down the physical interface of current WAN interface - (`WAN`->Edit->Physical Settings), e.g. `eth2`
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* remove existing `WAN` interface, press `save and apply`
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* add a new PPPoE interface:
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* Name: `WAN`
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* Protocol: `PPPoE`
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* interface - type in the `custom` field - name of your physical interface followed by a dot and `911` indicating the VLAN number to tag packets with - e.g. `eth2.911`
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* -> create interface
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* PAP/CHAP username: [username from Vodafone]
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* PAP/CHAP password: [password form Vodafone]
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* -> Firewall settings
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* Create / Assign firewall-zone: `WAN`
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* -> save
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* -> save and apply
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* wait around a minute for the router to connect
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