Re: how is the MAC for tap(4) computed?

2013-11-05 Thread John-Mark Gurney
ill...@gmail.com wrote this message on Mon, Nov 04, 2013 at 16:08 -0500: On 4 November 2013 12:09, Dan Nelson dnel...@allantgroup.com wrote: In the last episode (Nov 04), Aryeh Friedman said: There seems to be a very high rate of MAC address collisions when tap is running on different

how is the MAC for tap(4) computed?

2013-11-04 Thread Aryeh Friedman
There seems to be a very high rate of MAC address collisions when tap is running on different machines is there anyway to make the selection of MAC more random ___ freebsd-virtualization@freebsd.org mailing list

Re: how is the MAC for tap(4) computed?

2013-11-04 Thread Peter Grehan
Hi Aryeh, There seems to be a very high rate of MAC address collisions when tap is running on different machines is there anyway to make the selection of MAC more random Do you mean, tap(4) when used with bhyve ? If so, bhyve calculates the MAC address for adapters based on an md5 hash

Re: how is the MAC for tap(4) computed?

2013-11-04 Thread Dan Nelson
In the last episode (Nov 04), Aryeh Friedman said: There seems to be a very high rate of MAC address collisions when tap is running on different machines is there anyway to make the selection of MAC more random It looks like it's generated based on the number of ticks since boot, plus the

Re: how is the MAC for tap(4) computed?

2013-11-04 Thread ill...@gmail.com
On 4 November 2013 12:09, Dan Nelson dnel...@allantgroup.com wrote: In the last episode (Nov 04), Aryeh Friedman said: There seems to be a very high rate of MAC address collisions when tap is running on different machines is there anyway to make the selection of MAC more random It looks