8/5/2023 0 Comments Gns3 linux cloud interface![]() ![]() Maybe it will be helpful and save someone else some time and irritation! Hopefully this forum topic is crawled by the search engine bots and becomes visible to others. post14913.html?hilit=cloud%20arp%20problem#p14913Īpparently it is not possible to directly hook a GNS3 Cloud to a Linux bridge interface.Īttempting this configuration certainly did not function properly for me ( broadcast traffic and Virtualbox-to-GNS3 worked, but not host-to-GNS3). I found a number of similar forum topics (below), but none that completely solved the problems I'm seeing with my current set up. ![]() I also noticed that I saw ICMP DUPs when pinging from one (Linux) Virtualbox VM to the Cisco router.ĭoes anyone have any ideas as to the root problem or a possible solution? ![]() I see the ARP requests when packet sniffing on the bridge interface, but there aren't any ARP responses between bridge host and Cisco router. ARP resolution between the bridge host and the Cisco router doesn't function properly. My Virtualbox VMs attached to the same Linux Ethernet bridge can ping the bridge host and Cisco router. I used the setcap instructions at to restrict dynamips. I tried using Generic Ethernet NIO and found that DHCP doesn't function, so I switched back to Linux Ethernet NIO. I set the Cisco router to DHCP and it does manage to pull an IP address, but that process is broadcast traffic. I have GNS3 set up with a cloud and one router. I'm seeing ARP resolution problems with my setup detailed below.ĭebian "Wheezy" Linux with a Linux bridge that is assigned an IP address and GNS3 packaged by Debian. ![]()
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