em(4) device still 'freezes' on latset CVSup'd 6.x ...

[Gavin Atkinson]

On Thu, 2006-05-04 at 12:27 -0300, Marc G. Fournier wrote:
> On Thu, 4 May 2006, Gavin Atkinson wrote:
> 
> > On Thu, 2006-05-04 at 11:30 -0300, Marc G. Fournier wrote:
> >> On Thu, 4 May 2006, Rutger Bevaart wrote:
> >>
> >>> Technically it's not routes that are not being updated, but a stale
> >>> (outdated) ARP cache on the other hosts. The system with the new alias'ed IP
> >>> needs to do a gratuitous ARP (broadcast ARP for it's own IP). As an
> >>> intermediate solution you could flush the ARP cache on the hosts with stale
> >>> cache (usually a router or L3 switch on the subnet).
> >>
> >> This is what we end up having to do ... but, unfortunately, that means
> >> getting ahold of our co-lo provider and asking them to do it ... they have
> >> always been most accomodating, its just one of those things that I
> >> shouldn't *have* to do :(
> >
> > ... or use ports/net/arping:
> >
> > arping -S <new IP> -s <your-MAC> router-IP
> >
> > But, I agree, this is a bug with em(4) that should probably be fixed at
> > some point...
> 
> I will try that later tonight, thanks ... I have another one to move onto 
> that machien from another one :)

It's been a while since I've needed to do it, so that command line is
from memory.  You may need to use -T and/or -B instead of the router IP
address.

Gavin