Suresh Kumar Anaparti created CLOUDSTACK-9717:
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Summary: [VMware] RVRs have mismatching MAC addresses under
certain conditions
Key: CLOUDSTACK-9717
URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9717
Project: CloudStack
Issue Type: Bug
Security Level: Public (Anyone can view this level - this is the default.)
Components: Network Controller, VMware
Reporter: Suresh Kumar Anaparti
Fix For: 4.10.0.0
[CLOUDSTACK-985|https://issues.apache.org/jira/browse/CLOUDSTACK-985] doesn't
seem to be completely fixed.
ISSUE
==================
If there are two public networks on two VLANs, and a pair redundant VRs acquire
IPs from both, the associated NICs on the redundant VRs will have mismatching
MAC addresses.
The example below shows the eth2 NICs for the first public network
(210.140.168.0/21) have matching MAC addresses (06:c4:b6:00:03:df) as expected,
but the eth3 NICs for the second one (210.140.160.0/21) have mismatching MACs
(02:00:50:e1:6c:cd versus 02:00:5a:e6:6c:d5).
*r-43584-VM (Master)*
6: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UNKNOWN qlen
1000
link/ether 06:c4:b6:00:03:df brd ff:ff:ff:ff:ff:ff
inet 210.140.168.42/21 brd 210.140.175.255 scope global eth2
inet 210.140.168.20/21 brd 210.140.175.255 scope global secondary eth2
8: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UNKNOWN qlen
1000
link/ether 02:00:50:e1:6c:cd brd ff:ff:ff:ff:ff:ff
inet 210.140.162.124/21 brd 210.140.167.255 scope global eth3
inet 210.140.163.36/21 brd 210.140.167.255 scope global secondary eth3
*r-43585-VM (Backup)*
6: eth2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 06:c4:b6:00:03:df brd ff:ff:ff:ff:ff:ff
inet 210.140.168.42/21 brd 210.140.175.255 scope global eth2
inet 210.140.168.20/21 brd 210.140.175.255 scope global secondary eth2
8: eth3: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000
link/ether 02:00:5a:e6:6c:d5 brd ff:ff:ff:ff:ff:ff
inet 210.140.162.124/21 brd 210.140.167.255 scope global eth3
inet 210.140.163.36/21 brd 210.140.167.255 scope global secondary eth3
CloudStack should ensure that the NICs for all public networks have matching
MACs.
REPRO STEPS
==================
1) Set up redundant VR.
2) Set up multiple public networks on different VLANs.
3) Acquire IPs in the RVR network until the VRs get IPs in the different public
networks.
4) Confirm the mismatching MAC addresses.
EXPECTED BEHAVIOR
==================
Redundant VRs have matching MACs for all public networks.
ACTUAL BEHAVIOR
==================
Redundant VRs have matching MACs only for the first public network.
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