On 29/05/2012 9:56 AM, Julian Elischer wrote: > 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.
Yes, that's it. A good example of using epairs can be found here: http://zewaren.net/site/?q=node/71 Something like this should be documented better on freebsd.org. Darren _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
