On a freshly installed Fedora 19 system, "ip link" reports two interaces, em1 and p2p1. p2p1 is the primary network interface (the default route goes out over this link). However, system-config-network-tui only offers to configure the interfaces "enp2s0 (enp2s0)" and "enp3s0 (enp3s0)" in the device selection dialog. This is quite confusing.
It would also help if the device selection dialog indicated which of the interfaces are actually up
"ip link" shows:
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: p2p1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP mode DEFAULT qlen 1000
link/ether 68:05:ca:ab:cd:ef brd ff:ff:ff:ff:ff:ff
3: em1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DEFAULT qlen 1000
link/ether 00:9c:02:ab:cd:ef brd ff:ff:ff:ff:ff:ff
Relevant dmesg output:
[ 17.332098] e1000e 0000:02:00.0 eth0: registered PHC clock
[ 17.332107] e1000e 0000:02:00.0 eth0: (PCI Express:2.5GT/s:Width x1) 68:05:ca:ab:cd:ef
[ 17.332110] e1000e 0000:02:00.0 eth0: Intel(R) PRO/1000 Network Connection
[ 17.332123] e1000e 0000:02:00.0 eth0: MAC: 3, PHY: 8, PBA No: E46981-008
[ 17.332746] tg3 0000:03:00.0 eth1: Tigon3 [partno(BCM95723) rev 5784100] (PCI Express) MAC address 00:9c:02:ab:cd:ef
[ 17.332754] tg3 0000:03:00.0 eth1: attached PHY is 5784 (10/100/1000Base-T Ethernet) (WireSpeed, EEE)
[ 17.332758] tg3 0000:03:00.0 eth1: RXcsums LinkChgREG MIirq ASF TSOcap
[ 17.332762] tg3 0000:03:00.0 eth1: dma_rwctrl dma_mask[64-bit]
[ 17.806068] systemd-udevd: renamed network interface eth0 to p2p1
[ 17.819712] systemd-udevd: renamed network interface eth1 to em1
Same here; this actually causes an additional problem for me: on my IPA server I disabled NetworkManager, and it seemed the network script is affected by this inconsistency in network device names, because the gateway specified in the network script (ifcfg-enp2s0) did not show up in the routing table and had to be added by hand
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