The other day, I remembered that my ISP (Chunghwa Telecom) at home can obtain 7 floating Public IPv4 Addresses through dial-up, so I decided to implement it!
Environment
The following information was generated through the bench.sh script.
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CPU Model : Intel(R) Celeron(R) CPU 3865U @ 1.80GHz
CPU Cores : 2
CPU Frequency : 1278.526 MHz
CPU Cache : 2048 KB
Total Disk : 14.9 GB (6.6 GB Used)
Total Mem : 1910 MB (256 MB Used)
Total Swap : 2047 MB (0 MB Used)
System uptime : 3 days, 18 hour 30 min
Load average : 0.07, 0.06, 0.01
OS : Ubuntu 20.04.1 LTS
Arch : x86_64 (64 Bit)
Kernel : 5.4.0-77-generic
TCP CC : cubic
Virtualization : Dedicated
Organization : AS3462 Data Communication Business Group
Location : Chang-hua / TW
Region : Taiwan
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Create Virtual Network Card
First, we need to create several virtual WANs with different MacAddresses.
These are what we need to use for PPPoe connections later.
- enp1s0 is the network card connected to the Chunghwa Telecom router, and the name can be customized afterwards.
Here we create 7 virtual network cards first.
ip link add link enp1s0 name wan0 type macvlan
ip link add link enp1s0 name wan1 type macvlan
ip link add link enp1s0 name wan2 type macvlan
ip link add link enp1s0 name wan3 type macvlan
ip link add link enp1s0 name wan4 type macvlan
ip link add link enp1s0 name wan5 type macvlan
ip link add link enp1s0 name wan6 type macvlan
Configure PPPoe Connection
I use pppoeconf in Linux.
If it is not installed, you can install it with the following command.
sudo apt install pppoeconf
First, we enter pppoeconf and enter the account and password.
Next, go to the /etc/ppp/peers folder and copy the dsl-provider file to other files.
And modify the network card name in the copied file (e.g. nic-wan1 -> nic-wan0).
Then use the command pon <file name> to enable the PPPoe connection.
Then enter ip addr to see the list of network cards.
That’s it!