[ntp:questions] NTP request retry?

Rob nomail at example.com
Tue Jan 28 11:24:13 UTC 2014


mike cook <michael.cook at sfr.fr> wrote:
>
> Le 28 janv. 2014 ? 10:02, Rob a ?crit :
>
>> Brian Utterback <brian.utterback at oracle.com> wrote:
>>> I don't know about lost packets. It seems to me that dropping the packet 
>>> that triggered an ARP request is not very robust, in fact it is down 
>>> right fragile. Are you sure that there really are such implementations?
>> 
>> Typically all cisco implementations behave this way.
>> However, there is no cisco involved in this case.
>> It is all Linux.  It looks like Linux does not do this.
>
>   Last line sounds like a contradiction?
> I tried to reproduce the issue with FreeBSD 8.2 client and  Linux 3.2.27 server on links with dumb switches and could not. Even when the arp cache entry for that client was long gone (verfied) the server acted correctly on the next poll. 
> What OSs are your client and server?

It is all Linux.  Both client and server.

I can reproduce the ARP issue on cisco routers and switches.
The first outgoing ping always fails.



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