anyone know what 'ping: sendto: Can't assign requested" means

[Adam Vande More]

On Tue, Dec 6, 2016 at 12:33 PM, DTD <doug at safeport.com> wrote:

> For truth in advertising this is pinging from a jail. The problem is
> limited to pinging outside of the jailed environment. I took a shot a the
> ping source to see if there was an illuminating comment around the message
> but got lost in tacking this through libc source.
>
> I can show this is not a routing issue and the jails can ping. Our LAN has
> a
> dozen or so devices all in the network 192.168.2.0/24. To demonstrate the
> problem I used two hosts in the LAN and some external systems. The jail
> environment is chaos (host) and two jails, gaia and gsscc. First, from
> either
> jail all the above is ping-able:
>
> From gaia:
>
> gaia:~> ping -c 2 chaos
> PING chaos.boltsys.com (192.168.2.117): 56 data bytes
> 64 bytes from 192.168.2.117: icmp_seq=0 ttl=64 time=0.020 ms
> 64 bytes from 192.168.2.117: icmp_seq=1 ttl=64 time=0.047 ms
>
> --- chaos.boltsys.com ping statistics ---
> 2 packets transmitted, 2 packets received, 0.0% packet loss
> round-trip min/avg/max/stddev = 0.020/0.034/0.047/0.013 ms
> gaia:~> ping -c 2 gsscc
> PING gsscc.boltsys.com (192.168.2.111): 56 data bytes
> 64 bytes from 192.168.2.111: icmp_seq=0 ttl=64 time=0.022 ms
> 64 bytes from 192.168.2.111: icmp_seq=1 ttl=64 time=0.023 ms
>
> artemis is a host on the 192.168.2.0/24:
>
> gaia:~> ping -c 2 artemis
> PING artemis.boltsys.com (192.168.2.102): 56 data bytes
> ping: sendto: Can't assign requested address
> ping: sendto: Can't assign requested address
>
>
The message indicates it can't use the correct source address eg ping -S

-- 
Adam