Node Placement Criteria In An Auto Populate View - Extreme Networks EPICenter Reference Manual

Displaying a View
You can display the Default view or any other views you have created by selecting the View name from
the pull down list in the View field.
Renaming a View
You can rename the view by clicking in the View field and typing over the view name. the new view
name must be unique. Click away from the View field to commit the change.

Node Placement Criteria in an Auto Populate View

When you do a Discovery or add a device in the Inventory applet, the newly added devices are placed
into the default topology view (named "Default"). If you have created other maps with the Auto
Populate View feature enabled, those views are also populated with the newly added devices. Device
connectivity and the map hierarchy is determined by the information learned from the EPICenter
database.
For views with the Auto Populate View option enabled, EPICenter places devices on the Root Map or
into submaps based on the following criteria:
Devices with IP Forwarding enabled are always placed on the Root Map
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Devices without IP Forwarding enabled are placed in submaps based on the subnet mask associated
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with the IP interface used by EPICenter to manage the device. In the Default view, submaps are
named based on the subnet IP address plus the subnet mask: for example, 10.205.0.0/16, 10.205.0.0/
24, and so on.
Both Extreme Networks and third-party devices are placed using these rules. For Extreme Networks
devices, you can find the subnet mask and IP Forwarding status by looking at the device in the VLAN
applet. For third-party devices, you must query the device itself if you want to determine these settings.
Within a map, the Topology Manager attempts to optimize the layout to minimize node and link
overlap. If there are more than 400 links in a single map, the Topology Manager does not put labels
(annotations) on the links. It displays a warning telling you that link labels will not appear.
If there are more than 400 nodes to be placed in a single map, the Topology Manager displays a
warning that computing the default layout may take a significant amount of time (see
can then choose to have the nodes laid out in a simple row/column grid.
EPICenter Reference Guide
The New Menu
Figure 136). You
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