On 12/03/2018 18:04, Rodney W. Grimes wrote:
On 11/03/2018 20:57, Marek Zarychta wrote:
On Sun, Mar 11, 2018 at 05:46:52PM +0000, Grzegorz Junka wrote:
On 11/03/2018 06:04, Eugene Grosbein wrote:
11.03.2018 7:01, Grzegorz Junka wrote:
Just do not assign addresses from same network 10.20.0.0/16 to different
network interfaces
and you will be fine. Assign them all to right interface:
ifconfig_em0="inet 10.20.2.14 netmask 255.255.0.0"
ifconfig_em0_alias0="inet 10.20.2.15/32"
ifconfig_igb0_alias0="inet 10.20.2.16/32"
Interfaces meant to be all equal, last line should be:
ifconfig_em0_alias1="inet 10.20.2.16/32"
OK, I see. So this is in case I want many IPs assigned to the same
interface. What if I want one IP assigned to multiple interfaces (i.e.
so that the additional igb0-3 effectively work as a 4-port switch)?
Please consider bonding all NICs as one bridge(4) interface. Then
multiple IPs could be assigned to such interface.
Many thanks Eugene and Marek for your suggestions. I will now need to
decide if I want to fragment the network into subnets or bridge the
interfaces.
GregJ
I believe some of the problem you are experincing is addressed
in this differential:
https://reviews.freebsd.org/D14547
Your original configuration was(is) valid, just not common,
and I have not seen this done in more than a decade, but it
seems as if rstone@ also has someone doing this "multiple IP's
into same subnet on seperate interfaces".
Thanks for the link. That's interesting. According to this post that
configuration shouldn't be valid:
https://forums.freenas.org/index.php?threads/multiple-network-interfaces-on-a-single-subnet.20204/
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