network device changed or missing

Can't ping gateway.


# diff path _to _inst path _to _inst.old
54,55d53
< "/virtual-devices@100/channel-devices@200/virtual-channel@0" 1 "vldc"
< "/virtual-devices@100/channel-devices@200/virtual-channel@3" 2 "vldc"

# ifconfig -a
lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
inet 127.0.0.1 netmask ff000000
e1000g2: flags=1000803<UP,BROADCAST,MULTICAST,IPv4> mtu 1500 index 2
inet 153.88.105.17 netmask ffffff00 broadcast 153.88.105.255
ether 0:14:4f:af:d1:6c

# grep e1000g /etc/path _to _inst
"/pci@780/pci@0/pci@1/network@0" 0 "e1000g"
"/pci@780/pci@0/pci@1/network@0,1" 1 "e1000g"
"/pci@7c0/pci@0/pci@2/network@0" 2 "e1000g"
"/pci@7c0/pci@0/pci@2/network@0,1" 3 "e1000g"

# snoop -d e1000g2
Using device /dev/e1000g2 (promiscuous mode)

# grep e1000g /var/adm/messages*
Feb 19 10:37:08 hostoraa3 mac: [ID 469746 kern.info] NOTICE: e1000g2 registered
Feb 19 10:37:08 hostoraa3 e1000g: [ID 766679 kern.info] Intel(R) PRO/1000 Network Connection, Driver Ver. 5.1.8
Feb 19 10:37:13 hostoraa3 e1000g: [ID 801725 kern.info] NOTICE: pciex8086,105e - e1000g[2] : Adapter copper link is down.
Feb 20 07:52:49 hostoraa3 mac: [ID 469746 kern.info] NOTICE: e1000g0 registered
Feb 20 07:52:49 hostoraa3 e1000g: [ID 766679 kern.info] Intel(R) PRO/1000 Network Connection, Driver Ver. 5.1.8
Feb 20 07:52:49 hostoraa3 mac: [ID 469746 kern.info] NOTICE: e1000g1 registered
Feb 20 07:52:49 hostoraa3 e1000g: [ID 766679 kern.info] Intel(R) PRO/1000 Network Connection, Driver Ver. 5.1.8
Feb 20 07:52:50 hostoraa3 mac: [ID 469746 kern.info] NOTICE: e1000g3 registered
Feb 20 07:52:50 hostoraa3 e1000g: [ID 766679 kern.info] Intel(R) PRO/1000 Network Connection, Driver Ver. 5.1.8
Feb 20 07:52:50 hostoraa3 e1000g: [ID 801725 kern.info] NOTICE: pciex8086,105e - e1000g[1] : Adapter copper link is down.

# modinfo | grep e1000g
142 7bfa2000 22338 83 1 e1000g (Intel PRO/1000 Ethernet 5.1.8)

# kstat -m e1000g | less
...

# ifconfig e1000g1 plumb

# ifconfig -a
lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
inet 127.0.0.1 netmask ff000000
e1000g1: flags=1000842<BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 3
inet 0.0.0.0 netmask 0
ether 0:14:4f:af:d1:6b
e1000g2: flags=1000803<UP,BROADCAST,MULTICAST,IPv4> mtu 1500 index 2
inet 153.88.105.17 netmask ffffff00 broadcast 153.88.105.255
ether 0:14:4f:af:d1:6c

# ifconfig e1000g2 unplumb
# ifconfig e1000g1 153.88.105.17 netmask 255.255.255.0 up
# ifconfig -a
lo0: flags=2001000849<UP,LOOPBACK,RUNNING,MULTICAST,IPv4,VIRTUAL> mtu 8232 index 1
inet 127.0.0.1 netmask ff000000
e1000g1: flags=1000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4> mtu 1500 index 3
inet 153.88.105.17 netmask ffffff00 broadcast 153.88.105.255
ether 0:14:4f:af:d1:6b

# netstat -rn

Routing Table: IPv4
Destination Gateway Flags Ref Use Interface
-------------------- -------------------- ----- ----- ---------- ---------
default 153.88.105.1 UG 1 155654
153.88.105.0 153.88.105.17 U 1 1 e1000g1
127.0.0.1 127.0.0.1 UH 18 468989 lo0

# ping 153.88.105.1
153.88.105.1 is alive