Hello All,
I recently upgraded a PacketFence cluster from 8.1.0 to 10.3.0. Since upgrading
the cluster, the keepalived VIP has been flapping every few minutes between
Backup and Master.
This was not happening prior to upgrading to 10.3.0 and has been happening ever
since upgrading to 10.3.0. I've made sure that all maintenance patches are
pulled via the maintenance script.
If I switch the node order around in cluster.conf, the problem follows the
first node in the list. From what I can tell the cluster is still working as
expected, but the VIP master keeps changing every few minutes. I've upgraded a
few other clusters from 8.1.0 to 10.3.0, and did not see this issue, which
leads me to believe that it has something to do with this cluster.
Checking journalctl doesn't really show much, but it looks like something might
be wrong with a config somewhere?:
Aug 16 12:24:20 packetfence01 httpd_aaa[15870]: 127.0.0.1 - radius_accounting
[16/Aug/2021:12:24:20 -0400] "POST / HTTP/1.1" 200 219 1163 17231 "-"
"Go-http-client/1.1" "127.0.0.1:7070"
Aug 16 12:24:20 packetfence01 Keepalived_vrrp[15063]: (10.148.11.21) ip address
associated with VRID 50 not present in MASTER advert : 10.148.11.19
Aug 16 12:24:21 packetfence01 httpd_portal[15936]: - - - [16/Aug/2021:12:24:21
-0400] "GET /captive-portal HTTP/1.0" 302 522 74 2775 "-"
"HAPROXY-load-balancing-check"
Aug 16 12:24:22 packetfence01 httpd_portal[15936]: - - - [16/Aug/2021:12:24:22
-0400] "GET /captive-portal HTTP/1.0" 302 522 74 3015 "-"
"HAPROXY-load-balancing-check"
Aug 16 12:24:23 packetfence01 Keepalived_vrrp[15063]: (10.248.11.21) ip address
associated with VRID 50 not present in MASTER advert : 10.248.11.19
Aug 16 12:24:23 packetfence01 httpd_portal[15937]: - - - [16/Aug/2021:12:24:23
-0400] "GET /captive-portal HTTP/1.0" 302 522 74 2809 "-"
"HAPROXY-load-balancing-check"
Aug 16 12:24:25 packetfence01 Keepalived_vrrp[15063]: (10.148.11.21) ip address
associated with VRID 50 not present in MASTER advert : 10.148.11.19
Aug 16 12:24:28 packetfence01 Keepalived_vrrp[15063]: (10.248.11.21) ip address
associated with VRID 50 not present in MASTER advert : 10.248.11.19
Aug 16 12:24:30 packetfence01 Keepalived_vrrp[15063]: (10.148.11.21) ip address
associated with VRID 50 not present in MASTER advert : 10.148.11.19
Aug 16 12:24:31 packetfence01 Keepalived_vrrp[15063]: (10.148.11.21) Entering
MASTER STATE
Aug 16 12:24:31 packetfence01 Keepalived_vrrp[15063]: Remote SMTP server
[192.168.76.75]:25 connected.
Aug 16 12:24:31 packetfence01 Keepalived_vrrp[15063]: (10.148.11.21) Master
received advert from 10.148.11.22 with higher priority 100, ours 99
Aug 16 12:24:31 packetfence01 Keepalived_vrrp[15063]: (10.148.11.21) Entering
BACKUP STATE
Aug 16 12:24:31 packetfence01 Keepalived_vrrp[15063]: Remote SMTP server
[192.168.76.75]:25 connected.
Aug 16 12:24:31 packetfence01 pfdhcplistener[15775]: pfdhcplistener(15775)
WARN: [mac:[undef]] Use of uninitialized value $int in concatenation (.) or
string at /usr/local/pf/lib/pf/cluster.pm line 415.
(pf::cluster::is_vip_running)
Aug 16 12:24:31 packetfence01 pfdhcplistener[15775]: pfdhcplistener(15775)
WARN: [mac:[undef]] Use of uninitialized value $interface in concatenation (.)
or string at /usr/local/pf/sbin/pfdhcplistener line 120.
(main::reload_config)
Aug 16 12:24:31 packetfence01 pfdhcplistener[15775]: Use of uninitialized value
$int in concatenation (.) or string at /usr/local/pf/lib/pf/cluster.pm line 415.
Aug 16 12:24:31 packetfence01 pfdhcplistener[15775]: Use of uninitialized value
$interface in concatenation (.) or string at /usr/local/pf/sbin/pfdhcplistener
line 120.
Aug 16 12:24:31 packetfence01 pfdhcplistener[15775]: pfdhcplistener(15775)
INFO: [mac:[undef]] Reload configuration on (main::reload_config)
Aug 16 12:24:31 packetfence01 pfdhcplistener[15775]: pfdhcplistener(15775)
WARN: [mac:[undef]] Use of uninitialized value $int in concatenation (.) or
string at /usr/local/pf/lib/pf/cluster.pm line 415.
(pf::cluster::is_vip_running)
Aug 16 12:24:31 packetfence01 pfdhcplistener[15775]: pfdhcplistener(15775)
WARN: [mac:[undef]] Use of uninitialized value $interface in concatenation (.)
or string at /usr/local/pf/sbin/pfdhcplistener line 120.
(main::reload_config)
Aug 16 12:24:31 packetfence01 pfdhcplistener[15775]: Use of uninitialized value
$int in concatenation (.) or string at /usr/local/pf/lib/pf/cluster.pm line 415.
Aug 16 12:24:31 packetfence01 pfdhcplistener[15775]: Use of uninitialized value
$interface in concatenation (.) or string at /usr/local/pf/sbin/pfdhcplistener
line 120.
Aug 16 12:24:31 packetfence01 pfdhcplistener[15775]: pfdhcplistener(15775)
INFO: [mac:[undef]] Reload configuration on (main::reload_config)
Aug 16 12:24:32 packetfence01 pfdhcplistener[15839]: pfdhcplistener(15839)
INFO: [mac:[undef]] Reload configuration on eth0.832 (main::reload_config)
Aug 16 12:24:32 packetfence01 pfdhcplistener[15841]: pfdhcplistener(15841)
INFO: [mac:[undef]] Reload configuration on eth0.11 (main::reload_config)
Aug 16 12:24:32 packetfence01 pfdhcplistener[15840]: pfdhcplistener(15840)
INFO: [mac:[undef]] Reload configuration on eth0.932 (main::reload_config)
Aug 16 12:24:33 packetfence01 Keepalived_vrrp[15063]: (10.248.11.21) ip address
associated with VRID 50 not present in MASTER advert : 10.248.11.19
Aug 16 12:24:36 packetfence01 Keepalived_vrrp[15063]: (10.148.11.21) ip address
associated with VRID 50 not present in MASTER advert : 10.148.11.19
Aug 16 12:24:36 packetfence01 httpd_portal[15937]: - - - [16/Aug/2021:12:24:36
-0400] "GET /captive-portal HTTP/1.0" 302 522 74 4425 "-"
"HAPROXY-load-balancing-check"
Aug 16 12:24:37 packetfence01 httpd_portal[15937]: - - - [16/Aug/2021:12:24:37
-0400] "GET /captive-portal HTTP/1.0" 302 522 74 2776 "-"
"HAPROXY-load-balancing-check"
Aug 16 12:24:38 packetfence01 Keepalived_vrrp[15063]: (10.248.11.21) ip address
associated with VRID 50 not present in MASTER advert : 10.248.11.19
Aug 16 12:24:38 packetfence01 httpd_portal[15936]: - - - [16/Aug/2021:12:24:38
-0400] "GET /captive-portal HTTP/1.0" 302 522 74 3004 "-"
"HAPROXY-load-balancing-check"
Aug 16 12:24:39 packetfence01 Keepalived_vrrp[15063]: SMTP alert successfully
sent.
Aug 16 12:24:40 packetfence01 Keepalived_vrrp[15063]: SMTP alert successfully
sent.
Aug 16 12:24:41 packetfence01 Keepalived_vrrp[15063]: (10.148.11.21) ip address
associated with VRID 50 not present in MASTER advert : 10.148.11.19
Aug 16 12:24:42 packetfence01 load_balancer[15920]: Adding client
192.168.8.12/32
Aug 16 12:24:43 packetfence01 Keepalived_vrrp[15063]: (10.248.11.21) ip address
associated with VRID 50 not present in MASTER advert : 10.248.11.19
Aug 16 12:24:46 packetfence01 Keepalived_vrrp[15063]: (10.148.11.21) ip address
associated with VRID 50 not present in MASTER advert : 10.148.11.19
Aug 16 12:24:48 packetfence01 Keepalived_vrrp[15063]: (10.248.11.21) ip address
associated with VRID 50 not present in MASTER advert : 10.248.11.19
Aug 16 12:24:51 packetfence01 Keepalived_vrrp[15063]: (10.148.11.21) ip address
associated with VRID 50 not present in MASTER advert : 10.148.11.19
Any help here would be greatly helpful.
Thank you,
Ben
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