Comment # 21 on bug 1188949 from Vladislav Milenin

(In reply to Reinhard Max from comment #20)
> (In reply to Jonathan Kang from comment #19)
> 
> > I guess you're the maintainer of dhclient.
> 
> yes, I am the maintainer of the dhcp package, but not a deep expert in DHCP.
> 
> > Do you have any idea about what could go wrong here?
> 
> I discussed this with Marius, but we couldn't find a possible reason within
> dhclient that would explain this. To narrow this further down we want to see
> if the missing DHCPACK packages are not being sent by the router, being
> filtered by the kernel, or being silently ignored by dhclient, because it
> thinks they are invalid.
> 
> For that, please disable your firewall (if it is active) and change some
> settings:
> 
> # sysctl -w net.ipv4.conf.all.log_martians=1
> # sysctl -w sysctl -w net.ipv4.conf.all.rp_filter=0
> 
> Then record all DHCP packages over at least one occurance of dhclient
> sending a request and seemingly getting no ack:
> 
> # tcpdump -W /tmp/dhcp4.pcapng -s 65535 -Uvnfi any 'port 67 or port 68'
> 
> Interrupt tcpdump with Ctrl-C when done and upload /tmp/dhcp4.pcapng as an
> attachment.

I have a few questions. I need to use NetworkManager from the openSUSE
repositories or from the home repository:Jonathan Kang:branches:GNOME:Factory.
If it is from the openSUSE repositories, is it in working condition or when the
Internet stops connecting?