[j-nsp] Logical router to master router

[David Ball]

  We use private IP space in the main routing instance for configuring
backbone link PtP IPs, BGP sessions and LSP endpoints, and then put
all other services into their own routing instances.  For example, all
internet customers are in the same VRF routing instance, while each
other type of customer (L2VPN, VPLS, etc) have their own instances.  I
haven't any logical router experience to lend, I'm afraid.

David


2008/5/17  <nachocheeze at gmail.com>:
> I have a couple of M-series routers that were for valid-at-the-time
> reasons rolled out with the master routing instance being on a
> non-public (i.e. real IP's, but not connected to  the Internet)
> network.  They currently serve about 20 private customers, with
> varying degrees of policy complexity.
>
> As life happened, these boxes wound up going into a position where
> they became connected to the Internet and providing services to
> downstream public customers, with the public ASN, netblocks, etc
> living inside a logical router (separate ASN, connectors, routing
> policies, etc).  As things have expanded, lack of ability to
> administer various items that don't work inside a logical router
> (SNMP, NetFlow, etc) has started biting me in ass.
>
> I would like to basically just flip the config and put the "private"
> routing domain into a logical router, and move the "Internet" logical
> router configuration over into the master routing instance.  That's
> pretty serious undertaking given all the stuff that has to migrate, so
> I'm curious if anyone's ever done this and your experiences.  In a
> perfect world, I'd just get a couple of *spare* routers, set them
> properly, and just migrate the physical connections, but that isn't
> going to happen; if I do it, it's going to have to happen pretty much
> "live".
>
> Has anyone ever done this, and apart from the obvious (fat-fingering
> ASN's, IP's, etc), are there any "gotchas" of which I should be aware
> or tips on the easiest way to do this?
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