IP reserved by GNS3

NAT: 192.168.122.0/24

VPN: 172.16.253.0/24

IP reserved by emulators

IP reserved by Docker

Docker0: 172.17.0.0/16

IP reserved by VMware

VMware NAT: 192.168.229.0/24

VMware vmnet: 172.16.0.0/16

Last updated
January 9, 2017

Contributors
David Bombal
Julien Duponchelle
Edit this Article
Last updated
January 9, 2017

Contributors
David Bombal
Julien Duponchelle
Edit this Article

Specials IPs in GNS3

Some IP range are use by default by GNS3. If possible we recommend to avoid using them in your topology in order to limit conflicts.

IP reserved by GNS3

NAT: 192.168.122.0/24

Starting with GNS3 2.0 this IP range is use by the NAT node (powered by libvirt)

VPN: 172.16.253.0/24

This range is use only when you connect to a GNS3 remote server via VPN. This IPs are not visible in GNS3 until you the GNS3 cloud to connect your real network to your topologie.

IP reserved by emulators

This IPs are not visible in GNS3 until you the GNS3 cloud to connect your real network to your topologie.

IP reserved by Docker

If docker is installed be careful to this ip ranges.

Docker0: 172.17.0.0/16

This the default range use by docker0

IP reserved by VMware

If VMware is installed be careful to this ip ranges.

VMware NAT: 192.168.229.0/24

This range is use by VMware NAT

VMware vmnet: 172.16.0.0/16

For each vmnet on your system by default VMware will reserve a /24 in the range 172.16.0.0/16