[Users] routing from external through HN to loopback on CT

[CoolCold]

On Fri, Jul 20, 2012 at 8:25 PM, Christopher McCrory <chrismcc at gmail.com>wrote:

> Hello...
>
> The setup:
>  x.y.1.1/24   Cisco router
>  x.y.1.2/24   OpenVZ Hardware Node on CentOS 5 with all updates
>  x.y.1.3/24   OpenVZ container CT103 using veth
>  x.y.42.42/32 IP address on container's loopback interface
>  iptables off on all hosts, ip forwarding enabled everywhere
>  the router/external host has a route for x.y.42.42/32 via x.y.1.3
>
>  I cannot get packets from external hosts to route to the loopback on
> CT103.  packets leave the router, enter the HN, but never exit any
> interface.  This should be working but isn't and the same setup not on a
> container works.  What am I missing?
>
>
>
> in the openvz/103.conf file this works
> IP_ADDRESS="x.y.1.3 x.y.42.42"
>
> but will not work as I need x.y.42.42 to be on several containers
> (anycast DNS) and advertised via BGP.  I also need to create more CTs
> that will have a hundreds of IP addresses on loopbacks and putting them
>


> in the openvz config will not scale.
>
> Again, what am I missing?
>
I think problem is in routing table on HN - as you have that x.y.42.42 on
loopback of VE, routing on HN has no idea what to do with them.


>
> thanks
>
> --
> Christopher McCrory
> To the optimist, the glass is half full.
> To the pessimist, the glass is half empty.
> To the engineer, the glass is twice as big as it needs to be.
>
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>



-- 
Best regards,
[COOLCOLD-RIPN]
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