Re: F23 Server: unexpected network problem

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On Wed, 2015-12-09 at 10:41 +0200, Cristian Sava wrote:
> I Installed F23 Server with static address but after updating that it
> got an automatic one. Why that? I consider that extremely dangerous.
> That was verified and happened on different hardware boxes.
> Do I miss something? Does anyone else saw that?
> This is what I have (eno1 wired, eth1 not connected):
> 
> 
> [root@s217 network-scripts]# ls ifcfg-*
> ifcfg-eno1  ifcfg-eth1  ifcfg-lo
> [root@s217 network-scripts]# cat ifcfg-eno1
> HWADDR=00:1E:67:8B:B9:31
> TYPE=Ethernet
> BOOTPROTO=none
> DEFROUTE=yes
> IPV4_FAILURE_FATAL=yes
> IPV6INIT=yes
> IPV6_AUTOCONF=yes
> IPV6_DEFROUTE=yes
> IPV6_FAILURE_FATAL=no
> NAME=eno1
> UUID=8daf047d-e944-4305-b47f-6f2104edf9a2
> ONBOOT=yes
> IPADDR=111.222.333.217
> PREFIX=27
> GATEWAY=111.222.333.193
> DNS1=111.222.333.254
> DOMAIN=domain.me
> IPV6_PEERDNS=yes
> IPV6_PEERROUTES=yes
> IPV6_PRIVACY=no
> [root@s217 network-scripts]# cat ifcfg-eth1
> cat: cat: No such file or directory
> HWADDR=00:1E:67:8B:B9:30
> TYPE=Ethernet
> BOOTPROTO=dhcp
> DEFROUTE=yes
> PEERDNS=yes
> PEERROUTES=yes
> IPV4_FAILURE_FATAL=no
> IPV6INIT=yes
> IPV6_AUTOCONF=yes
> IPV6_DEFROUTE=yes
> IPV6_PEERDNS=yes
> IPV6_PEERROUTES=yes
> IPV6_FAILURE_FATAL=no
> NAME=eth1
> UUID=0d9c850a-1545-481c-897f-84d4475e0377
> ONBOOT=yes
> [root@s217 network-scripts]# ip route
> default via 172.18.0.1 dev eno1  proto static  metric 100 
> 172.18.0.0/16 dev eno1  proto kernel  scope link  src
> 172.18.172.146  metric 100 
> 192.168.122.0/24 dev virbr0  proto kernel  scope link  src
> 192.168.122.1 
> 111.222.333.193 via 172.18.0.1 dev eno1  proto dhcp  metric 100 
> [root@s217 network-scripts]# ip addr
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
> group default 
>     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
>     inet 127.0.0.1/8 scope host lo
>        valid_lft forever preferred_lft forever
>     inet6 ::1/128 scope host 
>        valid_lft forever preferred_lft forever
> 2: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel
> state DOWN group default qlen 1000
>     link/ether 00:1e:67:8b:b9:31 brd ff:ff:ff:ff:ff:ff
> 3: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel
> state UP group default qlen 1000
>     link/ether 00:1e:67:8b:b9:30 brd ff:ff:ff:ff:ff:ff
>     inet 172.18.172.146/16 brd 172.18.255.255 scope global dynamic
> eno1
>        valid_lft 949sec preferred_lft 949sec
>     inet6 fe80::21e:67ff:fe8b:b930/64 scope link 
>        valid_lft forever preferred_lft forever
> 4: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
> state DOWN group default 
>     link/ether 52:54:00:62:c8:4a brd ff:ff:ff:ff:ff:ff
>     inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
>        valid_lft forever preferred_lft forever
> 5: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc fq_codel master
> virbr0 state DOWN group default qlen 500
>     link/ether 52:54:00:62:c8:4a brd ff:ff:ff:ff:ff:ff
> [root@s217 network-scripts]#
>  
> C.S.
> 
Sorry for this copy&paste error
cat: cat: No such file or directory

It is:
[root@s217 network-scripts]# cat ifcfg-eth1
HWADDR=00:1E:67:8B:B9:30
TYPE=Ethernet
...

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