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Old 01-09-2008, 09:02 AM   #1
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Registered: Jan 2008
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Virtual Network on Fedora


I have got a problem to configure the virtual network running on Fedora8. Pls someone here suggest me how to solve the problem...

-Two physical hosts (Window xp) and three virtual hosts (Fedora8)

-Virtual hosts connect on Ethernet adapter VMware Network Adapter VMnet8

-on a physical host , there are two virtual hosts, 135 /24
-on another physical host, there is one virtual host

-ping between physical hosts and their own virtual hosts --> ok
i.e @, ping,135 , and vice versa is ok

-ping between two physical hosts (xp) -->ok

-ping between two virtual hosts (linux) on the same phy hosts -->ok

-ping from a virtual host (linux) to another phy host (xp) -->ok
i.e @, ping , and vice versa is ok

-but ping between virtual hosts on different physical hosts --> failed
i.e @, ping -->"Destination Host Unreachable"

-Adding other virtual host IPs in /etc/hosts doesn't help
-Disable firewall #service iptables stop
-No additional IP route

I do appreciate for any comment..ThX
Old 01-10-2008, 09:05 PM   #2
Registered: Dec 2005
Location: Lawrenceville GA
Distribution: Slackware, CentOS. Red Hat Enterprise Linux
Posts: 216

Rep: Reputation: 31
You are using the VMware NAT interface, so it is going to act just like you put the VM's on different hosts behind a NAT router - they can't see each other. This is because VMware is doing address translation, making it appear that the IP address of the VM is actually the IP address of the host server. For VM's on the same host, VMware is knows the real addresses of each VM and can handle the routing. For VM's on different hosts, they true address of each VM is hidden behind the NAT translator and can't be found.

You either need to use Bridging or Host-Only with routing to the Host-Only subnet.



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