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Can't ping the slave NIC IP after binding

Publication Date:  2014-06-30 Views:  194 Downloads:  0

Issue Description

Server Model: RH2288 V2
OS: Suse Linux 11

Problem description:
In suse linux,the eth0 and eth1 were bond to bond0.
After changing the IP address of eth0 using yast2,the IP is not reachable for both eth0 and eth1.

Alarm Information

None.

Handling Process

1: Add the slave NIC configuration to the bond0 configuration file:

VMM:/etc/sysconfig/network # vi ifcfg-bond0
BOOTPROTO='static'
STARTMODE='auto'
device='bond0'
IPADDR='192.168.2.222'
NETMASK='255.255.255.0'
BONDING_MASTER='yes'
BONDING_MODULE_OPTS='mode=1 miimon=200'
BONDING_SLAVE0='eth0'
BONDING_SLAVE1='eth1'
2: Save the configuration file and restart the network service
VMM:/etc/init.d/network restart 

Root Cause

Check the configuration file of the bond0 NIC:

VMM:/etc/sysconfig/network # more ifcfg-bond0
BOOTPROTO='static'
STARTMODE='auto'
device='bond0'
IPADDR=192.168.2.222 '
NETMASK='255.255.255.0'
BONDING_MASTER='yes'
BONDING_MODULE_OPTS='mode=1 miimon=200'
BROADCAST=''
ETHTOOL_OPTIONS=''
MTU=''
NAME=''
NETWORK=''
REMOTE_IPADDR=''
USERCONTROL='no'

We find the slave NIC configuration was lost.

Suggestions

After making NIC binding,don't use yast2 tool to change the slave NIC physical IP.
If we need to change the physical IP,we should modify the configuration file directly.

END