Method 1 does not meet the requirements, so I won’t go into details.
#GNS3 FOR MAC MAC#
Note: This command will be invalid after the mac is restarted, so you need to perform it manually when using GNS3.
Pfctl will be executed automatically when the mac is turned on, without having to manually execute it every time. Sudo pfctl -vnf /etc/pf.anchors/vmware-gns3 Verify the configuration file and take effect: check sudo vim /etc/pf.conf, the content is as follows (the red box content needs to be added)Ĭ. The en7 on the picture is the wired network card on the author's mac, en0 is the wifi network card on my mac (because the company uses a wired network card in the company, it uses wifi at home, so according to the above configuration 2, there is no need to worry about the network switch Causing nat to fail)ī. sudo vim /etc/pf.anchors/vmware-gns3, the content is as follows Note that you only need to add eth2 (that is, the new network adapter 3 added in the previous step).Ĥ️⃣ Configure nat on macos via pfctl and allow vmnet2 traffic to enter and exitĪ. Open the configuration of the GNS3 VM in vmware, add a network card, the network adapter 3 in the red box as shown below is the network card added by the author.Īs shown below, select "Run the cloud node on the GNS3 VM" The ip corresponding to vmnet2 on macos is 172.16.71.1/24. The subnet IP is automatically generated. ▷ “Connect the Mac host to the network” to check, so that vmnet2 NIC can appear on macos ▷ “Allow virtual machines on this network to connect to external networks (using NAT)” Do not check because the test found bugs (such as accessing the Internet public network in the virtual machine, sometimes there is no response, the delay is also very serious, suspected to be GNS3 VM bug) ▪ Disadvantages: The configuration is relatively complicated, and you need to have some understanding of macos, vmware, gns3, and network principles.ġ️⃣ Add a network card to vmware preferences, here vmnet2, then configure as shown below ▪ Advantages: vm can not only access the Internet, but also connect to the vm from the mac for management.
#GNS3 FOR MAC PLUS#
Use vmnet + GNS3 VM plus network card + custom cloud + pfctl + open ip_forward The following part of this article is represented by vm unless otherwise specified), and can only be connected through vnc.
▪ Disadvantages: It is not possible to connect directly to vm from macOS (that is, centos7.3-1 on the figure. ▪ Advantages: no additional configuration required, GNS3 built-in implementation For example, macOS is wifi, wifi dhcp is assigned to macOS ip is 192.168.1.10, then nat cloud will convert its ip out of the public network packet source IP to 192.168.1.10 Implementation principle: nat cloud will perform SNAT on the data packet, and convert the source IP into the local ip corresponding to the public network on macOS.
GNS3 built a nat cloud, as long as the vm connected to the nat cloud can be on the public network (Nat1 in the above picture is nat cloud) There are two ways to get the VM in the GNS3 on the Internet public network. It can be understood as running VMware on macOS, running GNS3 VM in VMware, and running Qemu virtual machine in GNS3 VM. ▷ centos7.3 is a Qemu virtual machine running in the GNS3 VM
#GNS3 FOR MAC PROFESSIONAL#
▷ GNS3 VM runs on: VMware Fusion Professional 11.0.1
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