On 5/28/12 7:14 AM, Darren Reed wrote:
On 28/05/2012 11:45 PM, Nikos Vassiliadis wrote:
On 5/28/2012 1:37 PM, Darren Reed wrote:
I've looked through the list of network interfaces that are
supported with FreeBSD and none seem to meet my needs. What
I want is a network interface that I can configure up in
jail A with address 10.1.1.1 and for which I can configure
a mate in jail B with the address 10.2.2.2 and use the
network interface as the means by which two jails can
directly communicate with each other without the need to
send any packets out of the machine. Or another way to do
this would be to have a virtual network (something like the
"internal network" that VirtualBox has or the host only
network supported by VMWware Workstation) defined somewhere
and for there to be a specific driver that could be
configured and attached to a jail and that virtual network
so that you could have N:M communication between jails.
Is what I'm looking for already present and google is failing
me or is the above functionality the basis for future work,
be it planned or otherwise?
It seems like a loopback interface does this.
root@raidmadi:/home/nik # jls
JID IP Address Hostname Path
3 10.2.3.4 /
4 10.7.3.4 /
root@raidmadi:/home/nik # ifconfig lo1
lo1: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
options=3<RXCSUM,TXCSUM>
inet 10.2.3.4 netmask 0xff000000
inet 10.7.3.4 netmask 0xff000000
root@raidmadi:/home/nik #
Maybe you want 'real' isolation? like with epair and VIMAGE?
Yes, I was after real isolation but this might work.
what you want is epair which is a pseudo driver pair,
specifically designed to connect two vimage jails to each other.
Darren
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