Hi all. My environment:
CloudStack 4.6.1 http://packages.shapeblue.com/cloudstack/upstream/centos7/4.6/ Hypervisor CentOS7/KVM SystemVM http://cloudstack.apt-get.eu/systemvm/4.6/systemvm64template-4.6.0-kvm.qcow2.bz2 Steps to reproduce: 1)Create VPC (Redundant VPC offering) 2)Create tier1 & tier2 3)Create VM Instance on tier1 & tier2 4)Check VPC VR IP Address (no problem) root@r-9-VM:~# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 0e:00:a9:fe:00:9a brd ff:ff:ff:ff:ff:ff inet 169.254.0.154/16 brd 169.254.255.255 scope global eth0 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 06:ac:80:00:00:21 brd ff:ff:ff:ff:ff:ff inet 10.0.1.102/24 brd 10.0.1.255 scope global eth1 inet 10.0.1.103/24 brd 10.0.1.255 scope global secondary eth1 4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 02:00:7f:b8:00:05 brd ff:ff:ff:ff:ff:ff inet 172.16.0.67/24 brd 172.16.0.255 scope global eth2 inet 172.16.0.1/24 brd 172.16.0.255 scope global secondary eth2 5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 02:00:03:56:00:04 brd ff:ff:ff:ff:ff:ff inet 172.16.1.25/24 brd 172.16.1.255 scope global eth3 inet 172.16.1.1/24 brd 172.16.1.255 scope global secondary eth3 root@r-9-VM:~# root@r-10-VM:~# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 0e:00:a9:fe:00:49 brd ff:ff:ff:ff:ff:ff inet 169.254.0.73/16 brd 169.254.255.255 scope global eth0 3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 link/ether 06:ac:80:00:00:21 brd ff:ff:ff:ff:ff:ff inet 10.0.1.102/24 brd 10.0.1.255 scope global eth1 inet 10.0.1.103/24 brd 10.0.1.255 scope global secondary eth1 4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 02:00:19:11:00:06 brd ff:ff:ff:ff:ff:ff inet 172.16.0.233/24 brd 172.16.0.255 scope global eth2 5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 02:00:20:19:00:05 brd ff:ff:ff:ff:ff:ff inet 172.16.1.231/24 brd 172.16.1.255 scope global eth3 root@r-10-VM:~# 5)Reboot VPC VR r-9-VM 6)Check VPC VR IP Address (no problem) root@r-9-VM:~# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 0e:00:a9:fe:01:28 brd ff:ff:ff:ff:ff:ff inet 169.254.1.40/16 brd 169.254.255.255 scope global eth0 3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 link/ether 06:ac:80:00:00:21 brd ff:ff:ff:ff:ff:ff inet 10.0.1.103/24 brd 10.0.1.255 scope global eth1 inet 10.0.1.102/24 brd 10.0.1.255 scope global secondary eth1 4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 02:00:7f:b8:00:05 brd ff:ff:ff:ff:ff:ff inet 172.16.0.67/24 brd 172.16.0.255 scope global eth2 5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 02:00:03:56:00:04 brd ff:ff:ff:ff:ff:ff inet 172.16.1.25/24 brd 172.16.1.255 scope global eth3 root@r-9-VM:~# root@r-10-VM:~# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 0e:00:a9:fe:00:49 brd ff:ff:ff:ff:ff:ff inet 169.254.0.73/16 brd 169.254.255.255 scope global eth0 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 06:ac:80:00:00:21 brd ff:ff:ff:ff:ff:ff inet 10.0.1.102/24 brd 10.0.1.255 scope global eth1 inet 10.0.1.103/24 brd 10.0.1.255 scope global secondary eth1 4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 02:00:19:11:00:06 brd ff:ff:ff:ff:ff:ff inet 172.16.0.233/24 brd 172.16.0.255 scope global eth2 inet 172.16.0.1/24 brd 172.16.0.255 scope global secondary eth2 5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 02:00:20:19:00:05 brd ff:ff:ff:ff:ff:ff inet 172.16.1.231/24 brd 172.16.1.255 scope global eth3 inet 172.16.1.1/24 brd 172.16.1.255 scope global secondary eth3 root@r-10-VM:~# 7)Reboot VPC VR r-10-VM 8)Check VPC VR IP Address (problem) Default route is not configured on Redundant VPC VR (tier 2) Missing 172.16.1.1 at eth3. root@r-9-VM:~# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 0e:00:a9:fe:01:28 brd ff:ff:ff:ff:ff:ff inet 169.254.1.40/16 brd 169.254.255.255 scope global eth0 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 06:ac:80:00:00:21 brd ff:ff:ff:ff:ff:ff inet 10.0.1.103/24 brd 10.0.1.255 scope global eth1 inet 10.0.1.102/24 brd 10.0.1.255 scope global secondary eth1 4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 02:00:7f:b8:00:05 brd ff:ff:ff:ff:ff:ff inet 172.16.0.67/24 brd 172.16.0.255 scope global eth2 inet 172.16.0.1/24 brd 172.16.0.255 scope global secondary eth2 5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 02:00:03:56:00:04 brd ff:ff:ff:ff:ff:ff inet 172.16.1.25/24 brd 172.16.1.255 scope global eth3 root@r-9-VM:~# root@r-10-VM:~# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 0e:00:a9:fe:01:b4 brd ff:ff:ff:ff:ff:ff inet 169.254.1.180/16 brd 169.254.255.255 scope global eth0 3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 link/ether 06:ac:80:00:00:21 brd ff:ff:ff:ff:ff:ff inet 10.0.1.103/24 brd 10.0.1.255 scope global eth1 inet 10.0.1.102/24 brd 10.0.1.255 scope global secondary eth1 4: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 02:00:19:11:00:06 brd ff:ff:ff:ff:ff:ff inet 172.16.0.233/24 brd 172.16.0.255 scope global eth2 5: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 02:00:20:19:00:05 brd ff:ff:ff:ff:ff:ff inet 172.16.1.231/24 brd 172.16.1.255 scope global eth3 root@r-10-VM:~# Reported: https://issues.apache.org/jira/browse/CLOUDSTACK-9110
