RE: update 1 and virtual NICs

My mucking aboot somehow striped eth0 of an IP address so I went ahead and
restarted the network.  I can now re-add virtual interfaces but things still
look abnormal......
 
The issue still exists that once I take the virtual down it can never be
brought back up without restarting all of networking, and the route table is
mucked as illustrated below......
 
 
???
[[email protected] root]# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:02:B3:BF:CE:C1
          inet addr:10.162.4.100  Bcast:10.162.7.255  Mask:255.255.252.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:977657 errors:0 dropped:0 overruns:0 frame:0
          TX packets:723409 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:987240507 (941.5 Mb)  TX bytes:53722553 (51.2 Mb)
          Interrupt:20 Base address:0x2600 Memory:fbfe0000-fc000000
eth0:1    Link encap:Ethernet  HWaddr 00:02:B3:BF:CE:C1
          inet addr:192.168.70.113  Bcast:192.168.70.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:20516 errors:0 dropped:0 overruns:0 frame:0
          TX packets:417 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:3154255 (3.0 Mb)  TX bytes:30488 (29.7 Kb)
          Interrupt:20 Base address:0x2600 Memory:fbfe0000-fc000000
eth1      Link encap:Ethernet  HWaddr 00:09:6B:89:11:FC
          inet addr:10.162.90.1  Bcast:10.162.90.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:78458 errors:0 dropped:0 overruns:0 frame:0
          TX packets:40681 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:33866997 (32.2 Mb)  TX bytes:3356892 (3.2 Mb)
          Interrupt:29 Base address:0x2640 Memory:f9fe0000-fa000000
eth2      Link encap:Ethernet  HWaddr 00:09:6B:89:11:FD
          inet addr:10.10.10.1  Bcast:10.10.10.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:20516 errors:0 dropped:0 overruns:0 frame:0
          TX packets:417 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:3154255 (3.0 Mb)  TX bytes:30488 (29.7 Kb)
          Interrupt:30 Base address:0x2680 Memory:f9fc0000-f9fe0000
 
[[email protected] root]# route
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use
Iface
192.168.70.0    *               255.255.255.0   U     0      0        0 eth0
10.162.90.0     *               255.255.255.0   U     0      0        0 eth1
10.10.10.0      *               255.255.255.0   U     0      0        0 eth2
10.162.4.0      *               255.255.252.0   U     0      0        0 eth0
????
169.254.0.0     *               255.255.0.0     U     0      0        0 eth2
????
127.0.0.0       *               255.0.0.0       U     0      0        0 lo
 
????
default         10.162.4.1      0.0.0.0         UG    0      0        0 eth0
default         10.162.4.1      0.0.0.0         UG    1      0        0 eth0
????
 
 
Don

-----Original Message----- 
From: [email protected] on behalf of Vanco, Don 
Sent: Wed 1/14/2004 1:35 PM 
To: [email protected] 
Cc: 
Subject: update 1 and virtual NICs



Are virtual interfaces broken?

Fresh, updated install of RHEL3 w/update beta (x86)
System has 3 NICs - all use e1000 (dual on-board interfaces on IBM x345 and
one add-in Intel NIC)

I bring up a virtual NIC in one of 2 ways - either by creating a new
ifcfg-ethX:X file in /etc/sysconfig/network-scripts OR by using
redhat-config-network

I can bring this (and only this) virtual interface up ONCE.  It functions as
I expect.

After taking this interface down, if I try to:
- bring this interface back up
- create new virtual interfaces and bring them up
..I get "Some other host already uses address address XXX.XXX.XXX.XXX"
regardless of what value I use

....all virtual NICs I've mucked with have been on the 10.162.x.x or
10.10.x.x networks via eth0 or eth1 (wich have class C masks on my current
interfaces)
AND
at one point in time I saw a route for 169.254.0.0/16 via one interface
(eth2) that was never touched ???  That route has since expired.  The
network that is connected to eht2 currently has zero traffic.

The system is busy doing other things at this point so I cannot try
restarting networking en masse.  Am I missing something or is this broken??

Don


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