Hello Danny,

I think so. Any special concern with a VM using more than one port on a subnet?

andrea

On 2 December 2014 at 02:04, Danny Choi (dannchoi) <dannc...@cisco.com> wrote:
> Hi,
>
> When I attach 2 interfaces from the same subnet to a VM, there is no error
> returned and
> both interfaces come up.
>
> lab@tme211:/opt/stack/logs$ nova interface-attach --net-id
> e38dba4a-74ed-4312-ba21-2a04b5c5a5b5 cirros-1
>
> lab@tme211:/opt/stack/logs$ nova list
>
> +--------------------------------------+----------+--------+------------+-------------+-------------------+
>
> | ID                                   | Name     | Status | Task State |
> Power State | Networks          |
>
> +--------------------------------------+----------+--------+------------+-------------+-------------------+
>
> | 9d88d0b5-2453-4657-8058-987980ec7744 | cirros-1 | ACTIVE | -          |
> Running     | private=10.0.0.10 |
>
> +--------------------------------------+----------+--------+------------+-------------+-------------------+
>
> lab@tme211:/opt/stack/logs$ nova interface-attach --net-id
> e38dba4a-74ed-4312-ba21-2a04b5c5a5b5 cirros-1
>
> lab@tme211:/opt/stack/logs$ nova list
>
> +--------------------------------------+----------+--------+------------+-------------+------------------------------+
>
> | ID                                   | Name     | Status | Task State |
> Power State | Networks                     |
>
> +--------------------------------------+----------+--------+------------+-------------+------------------------------+
>
> | 9d88d0b5-2453-4657-8058-987980ec7744 | cirros-1 | ACTIVE | -          |
> Running     | private=10.0.0.10, 10.0.0.11 |
>
> +--------------------------------------+----------+--------+------------+-------------+------------------------------+
>
>
> $ ifconfig
>
> eth0      Link encap:Ethernet  HWaddr FA:16:3E:92:2D:2B
>
>           inet addr:10.0.0.10  Bcast:10.0.0.255  Mask:255.255.255.0
>
>           inet6 addr: fe80::f816:3eff:fe92:2d2b/64 Scope:Link
>
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>
>           RX packets:514 errors:0 dropped:0 overruns:0 frame:0
>
>           TX packets:307 errors:0 dropped:0 overruns:0 carrier:0
>
>           collisions:0 txqueuelen:1000
>
>           RX bytes:48342 (47.2 KiB)  TX bytes:41750 (40.7 KiB)
>
>
> eth1      Link encap:Ethernet  HWaddr FA:16:3E:EF:55:BC
>
>           inet addr:10.0.0.11  Bcast:10.0.0.255  Mask:255.255.255.0
>
>           inet6 addr: fe80::f816:3eff:feef:55bc/64 Scope:Link
>
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>
>           RX packets:49 errors:0 dropped:0 overruns:0 frame:0
>
>           TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
>
>           collisions:0 txqueuelen:1000
>
>           RX bytes:3556 (3.4 KiB)  TX bytes:1120 (1.0 KiB)
>
>
>
> Should this operation be allowed?
>
>
> Thanks,
>
> Danny
>
>
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