# ETH L2 Rollup

{% hint style="warning" %} <mark style="background-color:red;">**Warning: This document is still being upgraded to the latest version. Please Don't use it until this message is removed!**</mark>
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As an L2 mode, Arcology serves as a parallel execution layer to scale Ethereum. Arcology uses Optimism interchain bridge to communicate with Ethereum. The Ethereum docker image contains a standard Ethereum release that needs to be started first before starting the L2

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Please replace the IP addresses in the document with of your **host machine IP**<mark style="color:red;">.</mark>
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#### **1. Start Ethereum L1**

```sh
docker run -itd --name l1 -p 7545:7545 arcologynetwork/ethereum
```

#### **2. Start Archology L2 Rollup**

{% hint style="warning" %} <mark style="color:orange;">The entire setup process for the L2 may</mark> **take 10 to 20 minutes** <mark style="color:orange;">to complete. Please be patient.</mark>
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```sh
docker run -itd --name l2 -p 8545:8545 arcologynetwork/devnet -f http://192.168.1.4:7545 -s http://192.168.1.4:8545 -r false -m false
```

#### **3. Installation Progress**&#x20;

In case you want check out the real-time updates on the L2 installation:

```sh
 sudo docker attach l2
```

Once completed, you can expect to see the following output:

```sh
Ok
Sync Smart Contract Info From L1 ...                                                                Ok

[ Start L2 Node ]***************************************************************************************************************************************************
Start kafka ...                                                                                     OK
Create topics for  kafka ...                                                                        OK
Create path for  zookeeper ...                                                                      OK
Start Arcology ...                                                                                  OK

[ Start OP Bridge ]*************************************************************************************************************************************************
Starting OpNode ...                                                                                 OK
Starting opBatcher ...                                                                              OK
Starting opProposer ...                                                                             OK

[ System Started ]**************************************************************************************************************************************************
Refer to the log file( /devnet/log/2024-05-28-23_40_03_config,/devnet/log/2024-05-28-23_40_03_arcology,/devnet/log/2024-05-28-23_40_03_opNode,/devnet/log/2024-05-28-23_40_03_opBatcher,/devnet/log/2024-05-28-23_40_03_opProposer ) for details
```

***

### Connectivity

Once the setup is complete, you need to [check the connectivity](https://doc.arcology.network/network/getting-started/verify-connection) to ensure the network is running properly.

***

### Check L1 & L2 Interaction

Please refer to [this document ](https://github.com/arcology-network/devnet/blob/main/op/sdk/README.md)to check if the L1 and L2 are connected properly.


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