[CentOS] Bonding in CentOS3 vs. CentOS4

Robin Mordasiewicz robin at bullseye.tv
Wed Nov 23 20:25:49 UTC 2005


I am able to bring up a bonded NIC in Centos4 without requiring to bring 
up the bond0 with an ip address, but with CentOS-3 I must assign the NIC 
an address or eth0 and eth1 will not slave.

I need to bring bond0 up without an ip address becuase I will be using 
tagged VLANs.

ie.
<snip /etc/sysconfig/network-scripts/ifcfg-bond0>
DEVICE=bond0
BOOTPROTO=none
ONBOOT=yes
IPADDR=169.254.0.1
USERCTL=no
</snip>

I can later manually do something like the following from a post network 
script, but I am wondering why this is different in CentOS-4.

ifconfig bond0 0.0.0.0
ifconfig eth0 0.0.0.0
ifconfig eth1 0.0.0.0


if I change the ifcfg-bond0 to not have an ip address.

ie.
<snip /etc/sysconfig/network-scripts/ifcfg-bond0>
DEVICE=bond0
BOOTPROTO=none
ONBOOT=yes
#IPADDR=169.254.0.1
USERCTL=no
</snip>

Then when I restart the network neither eth0 or eth1 are enslaved.






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