GNS3 1.0 即将发布， 内置支持IOU
The GNS3 1.0 Alpha version is out, let’s see what’s new and how to install it.Download is allowed only to GNS3 Members: to be a member you must contribute to the crow funding campaign.Now login to the GNS3 Early Release Members Area using your GNS3 user (GNS3XXXX) and related password and download the Windows All-in-One Installer Alpha Release V1.0.The first execution will ask for GNS3 username and email address:http://www.routereflector.com/wp-content/uploads/2014/04/gns3er_login.png1.0 即将发布， 内置支持IOU" action-data="http%3A%2F%2Fwww.routereflector.com%2Fwp-content%2Fuploads%2F2014%2F04%2Fgns3er_login.png" action-type="show-slide" style="margin: 10px auto; border: 0px; list-style: none; vertical-align: baseline; display: block;">The new GNS3 supports Cisco IOU (IOS On Unix) using an external VM: a simple HOWTO is provided:[*]Download the OVA.
[*]Import the OVA and start the VM (latest VirtualBox software must be used, VMwarePlayer/Workstation do not work).
[*]Login as root (password “cisco”) and check the assigned IP address:# ifconfig eth0
[*]Open a browser, point to the address of the VM and upload an IOU binary usinghttp://192.168.X.Y:8000/upload. Seems that file larger than 100MB are not supported (I tested with 62MB and it worked). The IOU image will be uploaded under /home/gns3/Documents/GNS3/images/.
[*]Create, on your dekstop, the IOU license using gns3-iouvm as hostname:gns3-iouvm = xxxxxxxxxxxxxxxx
[*]Open the GNS3 GUI set the VM IP (port 8000) address under Edit -> Preferences -> Server -> Remote servers:
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[*]Set the iourc license path under Edit -> Preferences -> IOS on UNIX -> Path to IOURC:
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[*]Finally set the IOU path under Edit-> Preferences -> IOUU devices -> IOU images -> IOU path:
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Finally deploy a couple of IOU devices and start them:http://www.routereflector.com/wp-content/uploads/2014/04/gns3er_iou_topo.png1.0 即将发布， 内置支持IOU" action-data="http%3A%2F%2Fwww.routereflector.com%2Fwp-content%2Fuploads%2F2014%2F04%2Fgns3er_iou_topo.png" action-type="show-slide" style="margin: 10px auto; border: 0px; list-style: none; vertical-align: baseline; display: block;">Behind GNS3 1.0GNS3 1.0 starts IOU devices from /home/gns3/Documents/GNS3/projects/iou/. Each IOU device has a different directory, and all have a similar NETMAP:# head -n5 /home/gns3/Documents/GNS3/projects/iou/untitled/device-1/NETMAP513:0/0 1:0/0513:0/1 1:0/1513:0/2 1:0/2513:0/3 1:0/3513:1/0 1:1/0513 is a dumb device ID assigned to a wrapper:# ps -ef | grep 513gns3 173615970 09:57 ? 00:00:00 /usr/local/bin/iouyap 513IOU process are owned by GNS3 UID:# ps -ef | id gns3uid=1000(gns3) gid=1000(gns3) groups=1000(gns3)root@gns3-iouvm:~# ls /tmp/netio100011.lck22.lck513513.lck514514.lckttyC2ttyC2.lckttyS1ttyS2The same approach is currently used on Unified Networking Lab.
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