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[lvs-users] IPv6 vs IPv4 fwmark services

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx
Subject: [lvs-users] IPv6 vs IPv4 fwmark services
From: Ferenc Wagner <wferi@xxxxxxx>
Date: Wed, 09 Feb 2011 14:17:01 +0100
Hi,

I'm running ldirectord with
http://hg.linux-ha.org/agents/rev/6e8b562f5414 applied for better IPv6
support.  Basically, it works fine, thanks for implementing this.  But I
wonder whether there's a fundamental reason for not allowing IPv4 and
IPv6 virtual services with the same fwmark, like

virtual=1
  [...]
virtual6=1
  [...]

which results in

Error [21297] reading file /etc/ldirectord.cf at line 15: duplicate virtual 
server

if tried.  Is this only an overzealous sanity check in ldirectord, or
are iptables and ip6tables fwmarks actually related somehow?

Two loosely related subquestions:

  1. Did anybody think about somehow enabling symbolic fwmarks in
     virtual service declarations?

  2. Why aren't IPv6 real server addresses resolved from DNS in the
     ipvsadm -L output, just like IPv4 ones are?
-- 
Thanks,
Feri.

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