>I'm surprised you are still using DECnet!? ;-) My DECnet knowledge
>is rusty, but here's what I remember from Sniffing DECnet networks:
>
>There are many hello protocol data units that are sent to
>data-link-layer multicast addresses. Routers send hellos to each
>other and at least one router per data link sends hellos to all end
>nodes. End nodes also send hellos to all routers so the routers
>learn who is on their networks.
>
>All these hellos make DECnet pretty easy to manage and reconfigure.
>I don't think you'll have to do anything at the end nodes.
>
>Many of the "legacy" protocols handled issues such as this better
>than the IP protocol family we are stuck with.
If you liked DECnet and CLNP (well, ES-IS and IS-IS), you'll probably
love stateless autoconfiguration in IPv6. There's a fair similarity
between IPv6 neighbor discovery and ES-IS.
I must say that when Kip first showed me what DECnet did to MAC
addresses, the voices of the Marx Brothers echoed in my head "Wanna
buy a DEC?" I forget the names of the developers of this algorithm,
but one of them used to do an annual apology, saying they just wanted
to avoid ARP and things...got out of hand. :-)
>
>Priscilla
>
>>On Wed, 4 Apr 2001, Hennen, David wrote:
>>
>>> Hi, I'm wondering how a decnet node finds the gateway off the local area?
>>>
>>> Example, area is 2, router decnet address is 2.1000. The decnet address on
>>> the router is changed to 2.1010. Do the nodes, Alpha box with 2.17 address
>>> for example, figure it out on there own by listening, does the router
>>> advertise that it's the gateway to other areas, or do the nodes require
>>> configuration for the change?
>>>
>>> I'm going to be moving a couple of routers running decnet as well as IP and
>>> would like to avoid problems. I've looked at a few links on cisco.com and
>>> it sounds like the router makes some type of advertisement (hello) but I'd
>>> like to be sure.
>>>
>>> thanks if you can help
>>> dave h
>>_________________________________
>
>
>________________________
>
>Priscilla Oppenheimer
>http://www.priscilla.com
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