RE: RAC private network IP's - 169.254.x.x
- From: D'Hooge Freek <Freek.DHooge@xxxxxxxxx>
- To: Krishna <krishna.setwin@xxxxxxxxx>, "Radoulov, Dimitre" <cichomitiko@xxxxxxxxx>
- Date: Fri, 6 Apr 2012 15:00:00 +0200
Krishna,
The 199.254.0.0/16 subnet is defined within RFC 3330:
http://tools.ietf.org/html/rfc3330 (thank you wikipedia :-) ) as a reserved
subnet and no ip addresses in that subnet should be statically assigned (or
assigned via dhcp).
Oracle will automatically plumb an additional ip address from the
autoconfiguration range on the interfaces used by the interconnect.
In you latest mail you are talking about the subnet 169.254.1.0. So I'm
assuming that you are using subnet /24 (255.255.255.0), correct?
It is possible that you network admin has indeed created a separate vlan for
this, in which case the broadcasts will be limited to that vlan. However, I
don't think this kind of setup is supported as the autoconfiguration subnet is
a /16 subnet (mask 255.255.0.0), which spans your subnet. (but I'm not a
network admin).
At least, Oracle does not seems to accept it (actually I don't think this is
caused by the HAIP feature and that older version also won't accept it.But I
can't test this).
Kind regards,
Freek D'Hooge
Uptime
Oracle Database Administrator
email: freek.dhooge@xxxxxxxxx
tel +32(0)3 451 23 82
http://www.uptime.be
disclaimer: www.uptime.be/disclaimer
________________________________________
From: Krishna [mailto:krishna.setwin@xxxxxxxxx]
Sent: vrijdag 6 april 2012 13:07
To: Radoulov, Dimitre
Cc: D'Hooge Freek; goran bogdanovic; oracle-l
Subject: Re: RAC private network IP's - 169.254.x.x
our network admin mentioned to me that
169.254.1.x is a separate vlan created to me and nobody else will use other
than myself..
is he correct?
The requirement I gave to him is: non-routable and separate vlan(if separate
switch not available) and private
if 169.254.1.x is reserved for me only, can HAIP( and others like DHCp) use
other available vlans?
Am i missing anything else here?
Thanks everybody for stepping in..
krishna..
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