There are other fixes, like disconnecting the gige connection to my laptop docking station. Or maybe turn wifi off and use only the gige. But If i use the laptop away from my desk and come back, the problem will bite once more.
Something else i find disconcerting. There must be very few users running Linux on a laptop, with IPv6, with wifi and gige connections. Maybe they just get pissed off and go elsewhere when things like google or facebook fail to load. My biggest problem is maintaining connections to the local kdc and various internal services which present as dual stack.
I am seriously quite tempted to disable IPv6 on the subnets to which I connect.
On Thu, Sep 11, 2014 at 3:08 PM, Ed Greshko <ed.greshko@xxxxxxxxxxx> wrote:
Well, when I look at the above and see "4163<UP,BROADCAST" I get the feeling that NM isn't really marking the interface down.On 09/11/14 12:25, Dan Irwin wrote:
> Hi all,
>
> [ Reposted from NetworkManager list as it's kinda quiet over there right now ]
>
> Fedora 20 here. nm is 0.9.9.0-41.git20131003. (Old, I know)
>
> Network Manager shows em1 "Wired" as being down. I have em1 configured as down. Yet, I notice the following:
>
> # ip -6 r
> default via fe80::<redacted> dev wlp2s0 proto static metric 1024
> default via fe80::<redacted> dev em1 proto ra metric 1024 expires 597sec
>
> # ifconfig em1
> em1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
> inet6 fe80::<redacted> prefixlen 64 scopeid 0x20<link>
> inet6 2001:<redacted> prefixlen 64 scopeid 0x0<global>
> ether <redacted> txqueuelen 1000 (Ethernet)
> RX packets 74900 bytes 5929479 (5.6 MiB)
> RX errors 0 dropped 862 overruns 0 frame 0
> TX packets 9 bytes 762 (762.0 B)
> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
> device interrupt 20 memory 0xf7e00000-f7e20000
>
> Down means down, but only for IPv4.
>
> I have noticed this for several months, and occasionally, it causes a problem with IPv6 connectivity.
>
> Any pointers would be appreciated, before I disable IPv6 completely.
>
>
If you were to issue "ip link set em1 down" it would truly be down. But, that doesn't survive a reboot.
--
If you can't laugh at yourself, others will gladly oblige.
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