North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Deploying 6to4 outbound routes at the border (was Re: IPv6 news)
On Sat, 15 Oct 2005, Daniel Roesen wrote: > > It's as simple as setting up a route to 2002::/16 at the border > > with a 6to4 conversion. > > The problem is building a high performance gateway. Currently you have > about the following two options: > > a) set up / configure a Cisco used as 6to4 gateway > b) set up a dedicated host (Unix box) as 6to4 gateway > > Approach a) is good for only few traffic, really. <reminiscence> You know, I still barely remember when I thought IOS could do just about anything efficiently. Wow, have times changed. </reminiscence> Maybe to start -- but again, what kind of 6to4 traffic level are we expecting yet? It's the chicken and egg all over again. > Approach b) is more complex. Yes, unfortunately. > I'm waiting for vendor J to enable option c)... implementing 6to4 via > the Tunnel PIC (or other PICs including the Tunnel PIC functionalities > like Link Services PIC). It's a very simple translation/encapsulation > which doesn't require any state keeping, shouldn't be a big deal. I can > imagine a few larger IPv6 ISPs then suddenly implementing 6to4 gateways. The only thing that makes 6to4 more complex, compared to a plain IPIP (or GRE, or any other point-to-point vanilla tunnel protocol) tunnel is that the far-side endpoint changes based on the tunneled payload. That said, it should *not* be an unsurmountable problem -- if the demand is there. Has anyone seen if the chicken laid the hatching egg yet? -- -- Todd Vierling <[email protected]> <[email protected]> <[email protected]>
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