CARP on 9 and 10 are very different its not a separate interface
anymore, its a property on the parent interface, so the behavior your
described is expected.
If you want to disable carp just remove it, if however you want for fail
to the other virtual host, just bump the advskew or force the state change.
Regards
Steve
On 22/09/2017 14:21, Karl Pielorz wrote:
Hi,
We've been using CARP for a long time - initially under FreeBSD 9.x.
We're just looking at setting it up on some 10.3 boxes, and have hit a
snag. Some of the syntax for setting it up has changed, but that's Ok,
we've read up and got it working.
The issue we've got is if I want to "disable CARP" on one of the 9.x
boxes, temporarily I can do:
ifconfig carp0 down
ifconfig carp1 down
ifconfig carp2 down
The host's base NIC IP address (i.e. non-vhid) address is left usable,
and intact - but all the CARP interfaces get set as "INIT" - so
they're still there, but they're not going to participate in CARP,
until you do a "ifconfig carpX up" on them.
If I try this under 10.3 - e.g. with a NIC with 3 vhid's setup:
carp: BACKUP vhid 1 advbase 1 advskew 100
carp: BACKUP vhid 2 advbase 1 advskew 100
carp: BACKUP vhid 3 advbase 1 advskew 100
So, I do:
ifconfig em0 vhid 1 down
And, they *all* go to INIT:
carp: INIT vhid 1 advbase 1 advskew 100
carp: INIT vhid 2 advbase 1 advskew 100
carp: INIT vhid 3 advbase 1 advskew 100
And, worse - em0 is now also down.
Trying to set the 'state' to "INIT" on an individual vhid doesn't work
either (no error, but it does nothing).
Is there a way under 10.3 to "disable" (i.e. set to INIT) the CARP
vhid's - without disabling the underlying NIC?
We tend to do this for maintenance where we're taking services down,
and don't want the host to 'accidentally' pickup stray CARP vhid's
from other boxes (because there's no service running).
Thanks,
-Karl
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