Mailing List Archive

On Thu, Sep 04, 2014 at 02:32:14PM +0200, Ulrich Windl wrote:
> Hi!
>
> I'm using ocf:pacemaker:ping to ping some specific address. The requirement is that a specific source address (that is on a local interface) is being used to ping a destination. So if the resource moves between nodes, the same source address shall be used.
>
> The address to use is a secondary adress on interface bond0, like bond0:xyz. I can spacify "-I bond0" and "-I bond0:xyz", but the latter seems to be ignores, as if I just said "-I bond0". Ping is from iputils-ss021109-292.28.1 (SLES11 SP3).
>
> I had this requirement for HP-UX years ago, and the solution was to install a special local ping that allowed to select the source address.

> So my preferences are:
> 1) Get it done with the software I have

ping -w 2 -c 3 -I 127.0.0.1 8.8.8.8
ping: sendmsg: Invalid argument
ping: sendmsg: Invalid argument
PING 8.8.8.8 (8.8.8.8) from 127.0.0.1 : 56(84) bytes of data.

--- 8.8.8.8 ping statistics ---
2 packets transmitted, 0 received, 100% packet loss, time 1008ms

ping -w 2 -c 3 -I 10.11.12.13 8.8.8.8
bind: Cannot assign requested address

ping -w 2 -c 3 -I 10.43.9.55 8.8.8.8
PING 8.8.8.8 (8.8.8.8) from 10.43.9.55 : 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=41 time=27.4 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=41 time=27.4 ms

--- 8.8.8.8 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1000ms
rtt min/avg/max/mdev = 27.405/27.430/27.456/0.167 ms

Does that help?

--
: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com

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