# Topology
## Topology View
Topology refers to how various nodes, devices, and connections on your network are physically or logically arranged in relation to each other. Topology View displays the complete topology of all the connected devices in the network. The connections are configured to change colours automatically based on the faults or thresholds.
### Node:
Clicking on the node shows the inventory details about the selected node.
Node Devices:
* SDH MUX
* Routers
* SDH EMS Firewall
* PDH MUX
On the right click of the node, it shows the Device View, Active Events, and Services.
Below are the details which can be viewed:
* Host Name
* IP Address
* Make
* Model
* Device Type
* EMS Name
* Firmware Version
* Region
* State
* City
* Location
#### **Properties**
The colours on the Node indicate the status of the device, which depends on the severity of the operation.
**Blue -> Grey -> Green -> Yellow -> Orange -> Red -> Dark Red**
(Green for Up, Red for Down, and Grey for Disabled devices).
### Edge:
Clicking on the edge shows the connection details and the current performance parameters between the connected nodes, depending on the type.
Below are the details which can be viewed:
* Description
* Source IP
* Source Device
* Source Port
* Destination Ip
* Destination Device
* Destination Port
* Layer Rate
* Active Events (Click to redirect to the **Active Events** page)
* Services (Click to redirect to the **Services** page)
## **What you see on the screen**
| **Label** | **Action** | **Description/ Example** |
| ---------------- | --------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------- |
| Filter | Filter can be added based on the City and Condition from the drop-down box below. | |
| Locate Node | Locate a Node from the drop-down. Select the No. of hops, using the drop-down menu. The selected number of neighbors will be displayed. | |
| Profile | Locate a Profile from the selected drop-down box. | |
| Vendors | Locate a Vendor from the selected drop-down box. | |
| Stop Auto Reload | Click to Stop (Default is Auto). | It reloads the topology view at every interval of 60 seconds. |
| Export | Creates a PDF of the current topology view. | |
| Edit | To save a new topology profile or a new topology view. Drag nodes to adjust the view. | |
| Arrows Key | Icons can be used to navigate through the topology diagram. | |
| Zoom Key | Icons can be used to navigate through the topology diagram. | |
{% hint style="info" %}
**Note:** The thickness of the interface indicates the offered Bandwidth.
{% endhint %}
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