On 10/9/19 2:34 AM, Julien Cigar wrote:
On Tue, Oct 08, 2019 at 01:05:37PM -0700, Julian Elischer wrote:
On 10/8/19 8:58 AM, Julien Cigar wrote:
On Tue, Oct 08, 2019 at 10:20:34AM -0500, Matthew Grooms wrote:
Hi Julien,
Hi Matthew,
It's not clear why you are trying to assign multiple carp IP address to
two different interfaces from within the same IP subnet. Are you trying
to fail over a 2nd carp address or are you trying to improve
throughput/redundancy? If you just want to fail over a 2nd carp address,
assign a 2nd alias to your first interface. If your trying to improve
throughput/redundancy, assign both interfaces to a lagg and build your
carp interfaces on top of that instead.
Currently outbound traffic from $net1 and $net2 (two private networks)
pass through the same network interface (igb0) (as you can see in (1)
in my previous post) on the router. I'd like to prevent that
$net2 saturates the interface and slow down traffic from $net1 (which is
more important). I could lagg and build CARP on top of that but it
wouldn't prevent $net2 to saturate the interface (unless I'm plugin ALTQ
of course, which I'd like to avoid).
-Matthew
On 10/8/2019 8:48 AM, Julien Cigar wrote:
Hello,
I'd like to NAT outbound traffic from two different private networks
through two different interfaces, with CARP on top. I have 4 public IPS
available (193.x.x.89, 193.x.x.90, 193.x.x.91, 193.x.x.92).
I have two redundant router/firewall running FreeBSD 12 with CARP and
PF with the following: (1) which works well, but all traffic
goes through the same interface.
So I'd like to switch to something like (2), which will not work (lines
5 and 13 are not valid) and I'm wondering if I could use something like
(3) ..?
Thank you!
Julien
(1) https://gist.github.com/silenius/4f6173a9b6690292c2174ab3bb89d292
(2) https://gist.github.com/silenius/da9be7e74e9861fa55f927d194e3e410
(3) https://gist.github.com/silenius/b237565b0d181248ff80ea296e5537db
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can you draw it?
yes, see https://ibb.co/mv5RPM9
so, you have several ways of doing this:
one is to assign a different routing table to each class of traffic.
Each table has a different default route, sending data out to a
different external interface.
Each interface out is NAT'd so that the return packets will come back
the same way.
But you only have a single pipe to the internet, So one wonders how
that helps with redundancy?
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