[ixpmanager] Additional Virtual Interfaces Not Included In Auto-generated RS Configs

[Kyle Spencer]

Indeed. I discovered this while playing around. Thanks for the tip!

On Tue, Sep 12, 2017 at 7:20 PM, Rasmus Åberg <rasmus at sthix.net> wrote:
> You need to add the second IP address as a new VLAN interface on the first virtual interface instead of creating a new one. It’ll get you up and running for now. But as nick says this isn’t a great idea in the long run.
>
> //Rasmus
>
> On 2017-09-12, 17:34, "ixpmanager on behalf of Kyle Spencer" <ixpmanager-bounces at inex.ie on behalf of kyle at stormzero.com> wrote:
>
>     Understood. We'll force them to migrate to a different architecture.
>
>     On Tue, Sep 12, 2017 at 6:32 PM, Nick Hilliard <nick at foobar.org> wrote:
>     > Kyle Spencer wrote:
>     >> I have a peer using two IP addresses on a single physical interface.
>     >
>     > This is deliberately not supported.  Give them two interfaces and lock
>     > down the number of MAC addresses to one per interface, preferably with a
>     > static layer 2 ACL. If there are issues relating to getting a
>     > cross-connect to this organization, this may require you to host one of
>     > their switches in your rack with local cross-connect into the IXP fabric
>     > - if they do this, make sure that they've split out the vlans properly
>     > and that you can only see one MAC address on each port.
>     >
>     > Essentially what you're doing here is extending your IXP into someone
>     > else's network, which is a strategically bad move from a variety of
>     > different reasons, mostly because it will shoot your network's
>     > security/stability in the foot.
>     >
>     > This may not be the answer that's most convenient for you guys right
>     > now, but it's something that we would take really seriously and have
>     > burn wounds to show for it :-|
>     >
>     > Nick
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