# Topology

## HQ Topology

<figure><img src="https://853940038-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FntmS61Ori9y4VOBrX1Ds%2Fuploads%2FD0EsXdrDKknoPbd8LqS6%2Fhqnetwork_final.drawio.png?alt=media&#x26;token=20c236ae-40e5-4713-9f0a-c8197b1b8e8c" alt=""><figcaption><p>HQ topology</p></figcaption></figure>

#### Access Layer

The most device connected layer contains mostly of switch L2, access point and device from every department.

#### Aggregation Layer

This layer contains switch L2 which use to aggregate 2 nearby department network before going to core layer.&#x20;

#### Core layer

This layer contains only switch L3. The core part of network.

#### Network management layer

Manage and control all network device. this layer contains 1 switch, 4 servers , access controller and network management device.

#### Egress layer

Send off network to internet. this layer contains firewall and router.&#x20;

## Branch Topology

<figure><img src="https://853940038-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FntmS61Ori9y4VOBrX1Ds%2Fuploads%2FfD3du96OYqy8OyAcAnqX%2Fbranchnetwork_final.drawio.png?alt=media&#x26;token=2660c833-4243-4b57-bca9-cb494e5b94f5" alt=""><figcaption><p>Branch topology</p></figcaption></figure>

#### 1st floor

The main part of branch network infrastructure. This floor has server room that contains all of network device and has switch L2 that connects developer department devices.

#### 2nd floor

This floor contains only switch L2 that connect manager and marketing department devices.
