Re: F19 - networking problem & questions

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On Thu, 2013-07-04 at 17:26 +0300, Cristian Sava wrote:
> On Wed, 2013-07-03 at 11:37 -0700, Adam Williamson wrote:
> > On 2013-07-03 1:47, Cristian Sava wrote:
> > > I have a server with two NICs (on-board and attached).
> > > HW: ASRock H67M-GE + I3-2120 + 8GB + 1TB (hdd, sata)
> > 
> > > 1) Why "route" shows iface=p4p1, p5p1 instead enp4s0, enp5s0 ?
> > 
> > This will likely be something to do with:
> > 
> > https://fedoraproject.org/wiki/Common_F19_bugs#biosdevname-vs-systemd
> > 
> > I'd say p4p1 is the biosdevname name for the interface, enp4s0 is the 
> > systemd name. I don't understand why some tools would show one and some 
> > tools the other, though. It sounds like we haven't quite figured out 
> > *all* the interactions between biosdevname and the systemd stuff here. 
> > Did you do your install with biosdevname=0 ? Was biosdevname in your 
> > package set at install time?
> 
> Thank you all.
> 
> I did some more tests and I attached the results to the bug report.
> You are right Adam, biosdevname=0 solved the problem.
> But analyzing my tests I wonder why commenting out IPV6 part is
> impacting the default route, why the kernel-3.9.8 is sometimes (not
> always!) responsible for that.
> Hope my tests will help to debug that.
> 
Installing F19 Gnome Desktop in VirtualBox-4.2.14 under Win7_x64:

  route gives p2p1 and we have ifcfg-enp0s3 !!!

[root@localhost ~]# uname -a
Linux localhost.localdomain 3.9.9-301.fc19.x86_64 #1 SMP Thu Jul 4
15:10:36 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
[root@localhost ~]# rpm -q NetworkManager
NetworkManager-0.9.8.2-5.fc19.x86_64
[root@localhost ~]# route
Kernel IP routing table
Destination  Gateway      Genmask        Flags Metric Ref Use Iface
default      193.x.y.193  0.0.0.0         UG    0      0    0 p2p1
193.x.y.192  *            255.255.255.224 U     1      0    0 p2p1
[root@localhost ~]# ls /etc/sysconfig/network-scripts
ifcfg-enp0s3  ifdown-eth   ifdown-post    ifdown-tunnel  ifup-eth
ifup-isdn   ifup-ppp     ifup-wireless
ifcfg-lo      ifdown-ippp  ifdown-ppp     ifup           ifup-ippp
ifup-plip   ifup-routes  init.ipv6-global
ifdown        ifdown-ipv6  ifdown-routes  ifup-aliases   ifup-ipv6
ifup-plusb  ifup-sit     network-functions
ifdown-bnep   ifdown-isdn  ifdown-sit     ifup-bnep      ifup-ipx
ifup-post   ifup-tunnel  network-functions-ipv6

C. Sava


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