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IDProjectCategoryView StatusDate SubmittedLast Update
0018190CentOS-7setuppublic2021-05-14 18:202021-05-14 18:20
ReporterAnkurb123 Assigned To 
PriorityhighSeverityminorReproducibilityhave not tried
Status newResolutionopen 
Product Version7.9.2009 
Summary0018190: IP issue in CentOS
DescriptionHello Team,
We have the CentOS dedicated server. CentOS Linux release 7.9.2009 (Core)

 uname -r
3.10.0-1160.25.1.el7.x86_64

We have added the multiple IPs to the server by creating file "ifcfg-eno1-range1" and added the below content in it

cat ifcfg-eno1-range1 We have the below additional IPs from X.X.X.2 to X.X.X.65
========================
IPADDR_START=45.156.119.2
IPADDR_END=45.156.119.65
PREFIX=24
GATEWAY=45.156.119.1
DEVICE=eno1
ARPCHECK=no
CLONENUM_START=1
#FUTURECLONENUM=5
========================
And main configuration file as below

=========================

 ifcfg-eno1
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO="static"
DEFROUTE=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=eno1
UUID=d17c4f94-6125-4659-b163-155506f496ef
DEVICE=eno1
ONBOOT=yes
IPADDR=173.208.147.107
PREFIX=26
GATEWAY=173.208.147.65
DNS1=8.8.8.8
DOMAIN=8.8.4.4
IPV6_PRIVACY=no
=========================

But when we reboot the server or restart the network service the additional 64 IPs automatically removed. But when we do ifup it assign using ifup ifcfg-eno1-range1

Why the IPs are automatically unassigned. How it be parmanent. Is the created file temporary.

Both IP sunbent and G/W are diffent. How can we do it or we are doing some misconfiguration.

Steps To ReproduceAfter reboot, the server Additional Addon IPs will remove. When server up we do ifup to that interface file where IPs are mentioned.
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Date Modified Username Field Change
2021-05-14 18:20 Ankurb123 New Issue