[ovs-discuss] fail-mode secure behavior

Aaron Rosen arosen at clemson.edu
Sun Nov 13 23:46:09 UTC 2011


This is expected for inband because in order for the dp to connect to the
controller ARP must pass through?  (Though this IP address isn't the one
that it would actually use to talk to the controller though. )

Just curious.

Thanks,
Aaron

On Sun, Nov 13, 2011 at 3:59 PM, David Erickson <derickso at stanford.edu>wrote:

> Are you in inband mode? If so this is expected.
>
> Sent from my HTC smartphone on the Now Network from Sprint!
>
>
> ----- Reply message -----
> From: "Aaron Rosen" <arosen at clemson.edu>
> To: <discuss at openvswitch.org>
> Subject: [ovs-discuss] fail-mode secure behavior
> Date: Sun, Nov 13, 2011 12:27 pm
>
>
> Hello I had a quick question about the fail secure behavior.
>
> I have created a dp0 and added eth3.1750 to it. Then I put  10.43.100.14
>  on dp0.
>
> Now if I run ping -I dp0 10.43.100.34 , and run tcpdump on eth3 I see my
> arp packets leaving the box even though I have dp0 set as fail-secure.
>
> Is this the expected behavior?
>
> Thanks,
>
> Aaron
>
>
> Here is my setup:
>
> root at geni1:/users/arosen# ovs-vsctl set-fail-mode dp0 secure
>
>  root at geni1:/users/arosen# ovs-dpctl show
> system at dp0:
> lookups: frags:0, hit:60, missed:402, lost:0
> port 0: dp0 (internal)
>  port 1: eth3.1750
> root at geni1:/users/arosen# ovs-vsctl list controller
> _uuid               : 41c15d2e-dcdb-4a6b-9e3d-29dd0c0cf723
> connection_mode     : []
> controller_burst_limit: []
> controller_rate_limit: []
> external_ids        : {}
> inactivity_probe    : []
> is_connected        : false
> local_gateway       : []
> local_ip            : []
> local_netmask       : []
> max_backoff         : []
> role                : other
> status              : {last_error="Connection refused",
> sec_since_disconnect="7", state=BACKOFF}
> target              : "tcp:130.127.88.88:6633"
>
> root at geni1:/users/arosen# ifconfig
> dp0       Link encap:Ethernet  HWaddr 00:15:17:d2:56:4a
>           inet addr:10.43.100.14  Bcast:10.43.100.255  Mask:255.255.255.0
>           inet6 addr: fe80::215:17ff:fed2:564a/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:2 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:66 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:332 (332.0 B)  TX bytes:2988 (2.9 KB)
>
> eth2      Link encap:Ethernet  HWaddr 00:15:17:d2:56:4b
>           inet addr:192.1.249.234  Bcast:192.1.249.255
>  Mask:255.255.255.224
>           inet6 addr: fe80::215:17ff:fed2:564b/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:2230487 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:973028 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:1216903682 (1.2 GB)  TX bytes:176351108 (176.3 MB)
>           Memory:df980000-df9a0000
>
> eth3      Link encap:Ethernet  HWaddr 00:15:17:d2:56:4a
>           inet6 addr: fe80::215:17ff:fed2:564a/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:10458966 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:31244431 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:1330883990 (1.3 GB)  TX bytes:4289256380 (4.2 GB)
>           Memory:df9c0000-df9e0000
>
> eth3.1750 Link encap:Ethernet  HWaddr 00:15:17:d2:56:4a
>           inet6 addr: fe80::215:17ff:fed2:564a/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:5464625 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:3165740 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0
>           RX bytes:625569297 (625.5 MB)  TX bytes:4113326274 (4.1 GB)
>
>
>
>
>
>
> --
> Aaron O. Rosen
> Masters Student - Network Communication
> 306B Fluor Daniel
>
>
>


-- 
Aaron O. Rosen
Masters Student - Network Communication
306B Fluor Daniel
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