Re: em1 down in nm, yet it has an IPv6 address

On Wed, 2014-09-10 at 16:42 +1000, Dan Irwin wrote:
Hi all,

Fedora 20 here. nm is (Old, I know)

Network Manager shows em1 "Wired" as being down. I have em1 configured as
down. Yet, I notice the following:

I think this is a problem just with F20, we did a bunch of changes after
that which make NM pick these changes up correctly.  Are you able to
test out Fedora 21, or otherwise rebuild the F21 version of
NetworkManager for Fedora 20 (which should work, I think...)?


# 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.


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