https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278979
Bug ID: 278979
Summary: CARP not working on 14.0-RELEASE on VMware
Product: Base System
Version: 14.0-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
After upgrading from from 13.2 to 14.0, CARP stopped working as expected. For
one, no matter what I do with manually setting the state or adjusting the
advskew, it doesn't work as expected. The same with the preempt kernel
parameter. I have tried both unicast and multicast peer settings.
Here are the configs:
host1 $ ifconfig | grep 'vhid 10'
inet 172.21.4.170 netmask 0xffffffff broadcast 172.21.4.170 vhid 10
carp: MASTER vhid 10 advbase 1 advskew 50
host1 $ grep 'vhid 10' /etc/rc.conf
ifconfig_vmx0_alias10="inet vhid 10 advskew 50 pass redacted alias
172.21.4.170/32"
host1 $
$ export PS1='host2 $ '
host2 $ export PS1='host2 $ '^C
host2 $ ifconfig | grep 'vhid 10'
inet 172.21.4.170 netmask 0xffffffff broadcast 172.21.4.170 vhid 10
carp: MASTER vhid 10 advbase 1 advskew 100
host2 $ grep 'vhid 10' /etc/rc.conf
ifconfig_vmx0_alias10="inet vhid 10 advskew 100 pass redacted alias
172.21.4.170/32"
host2 $
host1 $ cat /etc/sysctl.conf
net.inet.carp.allow=1
net.inet.carp.preempt=1
net.inet.carp.log=1
Nothing has changed other than the OS version. I verified the hypervisor
environment by making sure two 13.2 hosts with identical configs except their
IPs work on the same vSwitch and the same ESXi hosts. I also tried changing the
NIC type from VMXNET3 (vmx driver) to intel (em driver) with the same results.
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