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where has the 'lo' network interface gone ?
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yfh2
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Joined: 20 May 2004
Posts: 242

PostPosted: Sat Mar 24, 2007 5:48 pm    Post subject: where has the 'lo' network interface gone ? Reply with quote

I have trouble with my network.
Basically, it comes down to the fact that the 'lo' interface has dissapeared.
It 'looks' as if it has been replaced by 'eth0', and 'eth0' by 'eth1' (therefore, I have no network working now)

I don't know where to look at ...


Here are some ouputs :


Code:

 fanless eb # ifconfig -a
 eth0      Lien encap:Boucle locale
           inet adr:127.0.0.1  Masque:255.0.0.0
           LOOPBACK  MTU:16436  Metric:1
           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 lg file transmission:0
           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
 
 eth1      Lien encap:Ethernet  HWaddr 00:16:E6:40:F5:4D
           BROADCAST MULTICAST  MTU:1500  Metric:1
           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 lg file transmission:1000
           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
           Interruption:16
 
 sit0      Lien encap:IPv6-dans-IPv4
           NOARP  MTU:1480  Metric:1
           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
           collisions:0 lg file transmission:0
           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
 




I don't know wether it's related, but here is the udev.rules part that deals with network devices :


Code:

   # netlink devices
 KERNEL=="route",   NAME="netlink/%k"
 KERNEL=="skip",      NAME="netlink/%k"
 KERNEL=="usersock",   NAME="netlink/%k"
 KERNEL=="fwmonitor",   NAME="netlink/%k"
 KERNEL=="tcpdiag",   NAME="netlink/%k"
 KERNEL=="nflog",   NAME="netlink/%k"
 KERNEL=="xfrm",      NAME="netlink/%k"
 KERNEL=="arpd",      NAME="netlink/%k"
 KERNEL=="route6",   NAME="netlink/%k"
 KERNEL=="ip6_fw",   NAME="netlink/%k"
 KERNEL=="dnrtmsg",   NAME="netlink/%k"
 KERNEL=="tap*",      NAME="netlink/%k"
 
 # network devices
 KERNEL=="tun",      NAME="net/%k",   MODE="0600"
 


Of course, starting the net.lo fails :

Code:

fanless eb # /etc/init.d/net.lo start
 * Starting lo
 *   Bringing up lo
 *     127.0.0.1/8
 *     network interface lo does not exist
 *     Please verify hardware or kernel module (driver)   




Any idea ?
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think4urs11
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Joined: 25 Jun 2003
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PostPosted: Sat Mar 24, 2007 5:58 pm    Post subject: Reply with quote

[DUP] for network interface 'lo' dissapeared
Moved from Networking & Security to Duplicate Threads.
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