Hi,

As far as I know, when creating a site 2 site VPN, you can only specify the 
remote networks. The local network is always set to the whole VPC CIDR. Or am I 
wrong?

Regards
Daniel

On 07.03.18, 12:39, "Rafael Weingärtner" <rafaelweingart...@gmail.com> wrote:

    I agree with you. I was not aware of that link in ACS website. I already
    created a task for myself to fix that.
    
    I thought the VPC CIDR was used only as a logical value internally in ACS.
    However, as you pointed out, you can create a VPN to the whole VPC. Then,
    yes, a restart would be required.
    
    
    On Wed, Mar 7, 2018 at 8:33 AM, <daniel.herrm...@zv.fraunhofer.de> wrote:
    
    > Hi,
    >
    > Maybe we could link to the Apache search system at the page listing the
    > Cloudstack Mailing-Lists: https://cloudstack.apache.org/mailing-lists.html
    >
    > If you click on the list there, you get to http://mail-archives.apache.
    > org/mod_mbox/cloudstack-users/. Then there is markmail linked and the
    > https://lists.apache.org/list.html?users@cloudstack.apache.org link you
    > shared (which btw looks best to me, thanks).
    >
    > The tiers are going to stay as they are currently. I guess the CIDR is
    > used in the Strongswan VPN configuration as local network, so I guess a
    > restart might be required.
    >
    > Other thoughts?
    >
    > Thanks
    > Daniel
    >
    > On 07.03.18, 12:25, "Rafael Weingärtner" <rafaelweingart...@gmail.com>
    > wrote:
    >
    >     MarkMail is not an Apache's system. If you want an Apache's system to
    >     search mailing lists you can use:
    >     https://lists.apache.org/list.html?d...@cloudstack.apache.org.
    >
    >     Do you intend on changing the Tiers CIDR as well? If it is only the
    > VPC,
    >     you might not even need to restart with a cleanup. Of course, it is
    > always
    >     a good practice to test before applying in production.
    >
    >     On Wed, Mar 7, 2018 at 8:07 AM, <daniel.herrm...@zv.fraunhofer.de>
    > wrote:
    >
    >     > Hi all,
    >     >
    >     >
    >     >
    >     > First of all: when trying to search the lists on MarkMail (
    >     > https://cloudstack.apache.org/mailing-lists.html) I get a warning
    > that
    >     > the entered information will be transmitted insecurely (no HTTPs).
    > If I
    >     > accept that, MarkMail redirects back to HTTPs but does not present a
    > valid
    >     > certificate (unknown issuer, Firefox 58.0.2
    >     >
    >     >
    >     >
    >     > Now, to the question:
    >     >
    >     >
    >     >
    >     > We have a VPC with a pretty large CIDR (172.19.0.0/16), which
    > however
    >     > only has tiers in the upper half (172.19.128.0/17). We now would
    > like to
    >     > reduce the VPC CIDR. Is it safe to edit this in the database and
    > then do a
    >     > VPC restart with cleanup? Anything else to consider?
    >     >
    >     >
    >     >
    >     > We use VPN s2s tunnel, so I guess we need to change the remote
    > subnet on
    >     > the other VPN endpoints, but other than that?
    >     >
    >     >
    >     >
    >     > Is it possible like that, any problems to expect?
    >     >
    >     >
    >     >
    >     > Thanks and regards
    >     >
    >     > Daniel
    >
    >
    
    
    -- 
    Rafael Weingärtner
    

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