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Need Help Setting up IP Failover
https://forum.linode.com/viewtopic.php?f=19&t=10655		 Page 1 of 1
Author:  simon604 [ Fri Nov 29, 2013 4:07 pm ]
Post subject:  Need Help Setting up IP Failover
Hello, I am trying to use the Linode IP Failover feature (https://blog.linode.com/2007/11/12/supp ... -failover/). I am having trouble getting ServerB to take over ServerA's IP.

I did the following on ServerA and ServerB:

- Server A (34.56.78.90) IP failover set to be allowed on ServerB (12.345.6.78) using the Linode admin panel

- Edited Server B /etc/network/interfaces:
Code:
# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth0
iface eth0 inet static
 address 12.345.6.78
 netmask 255.255.255.0
 gateway 12.34.56.1

# ServerA fail over IP
iface eth0:1 inet static
 address 34.56.78.90
 netmask 255.255.255.0


on Server B
Code:
/etc/init.d/networking restart



On Server A
Code:
ifdown eth0


On Server B
Code:
ifup eth0:1


On Server B - I am receiving 5 packets transmitted, 0 packets received, 100% unanswered (0 extra) on this command
Code:
arping -I eth0:1 '34.56.78.90' -uc 5



At the end, I still cannot reach 34.56.78.90 publicly. Is this how IP Failover is used or am I getting this all wrong? Any hints would be appreciated!

Regards
Simon
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