carp questions
From: Mark Jayson Alvarez (jay2xra_at_yahoo.com)
Date: 11/23/05
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Date: Wed, 23 Nov 2005 01:10:34 -0800 (PST) To: freebsd-net@freebsd.org
Hi,
I have 2 machines running freebsd 6.0 compiled with "device carp". The example in the carp manual slightly confuses me. I can't make those 2 machines to appear as one... I hope you can help me.
machine A has xl0 with assigned ip of 10.10.8.145
machine B has xl0 with assigned ip of 10.10.8.146
Now following the example on carp(4) manual:
On machine A:
ifconfig carp0 create
ifconfig carp0 vhid 1 pass mypasswd 10.10.8.147/24
so now, machine A shows these in ifconfig:
carp0: flags=41 mtu 1500
inet 10.10.8.147 netmask 0xffffff00
carp: BACKUP vhid 1 advbase 1 advskew 0
meanwhile on machine B
ifconfig carp0 create
ifconfig carp0 vhid 1 advskew 100 pass mypasswd 10.10.8.147/24
and I got
10.10.8.147/24 is duplicated by xl0 (10.10.8.145/24)
What I wanted to do is to do some failover... ssh to 10.10.8.147 and see what machine it would connect to.. then pull the utp out... and repeat the process.. this time i should be able to ssh to the backup server instead..
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