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- Path: sparky!uunet!portal!cup.portal.com!wcc
- From: wcc@cup.portal.com (wcc - usa)
- Newsgroups: comp.protocols.appletalk
- Subject: Re: CLAIM: Seed Routers are not Nodes
- Message-ID: <69920@cup.portal.com>
- Date: Fri, 20 Nov 92 16:46:18 PST
- Organization: The Portal System (TM)
- References: <chris.722141659@ph-meter.beckman.uiuc.edu>
- <winders-191192110001@macwinders.support.apple.com>
- <chris.722214001@ph-meter.beckman.uiuc.edu>
- Lines: 56
-
- >>winders@aux.support.apple.com (Scott Winders) writes:
-
- >>2. All AppleTalk nodes need to aquire their network address dynamically.
- >>There are no if, ands, or butts on this particular question. If the
- >>network addresses are assigned statically, you may have the problem you
- >>describe with your two seed routers.
-
- >I heard back from my developer. He now concedes that a router is a
- >node, but says that all 'nodes' are not alike. He says that router
- >nodes behave differently from nonrouter nodes in some cases. Because
- >routers have port descriptors, seed routers HAVE to obtain their
- >network and node numbers statically.
- Maybe HIS seed router....... What it should do is pick a node number,
- test the net to see if it is NOT taken and then use it. If the number is
- taken then it MUST choose another node number.
-
- > The developer's opinion is that
- >this is one of the inconsistencies in Inside AppleTalk, and that the
- >routers follow the AppleTalk specs "to the letter".
- Does it really ??????
-
- >The developer
- >tells me that I can only bring up one seed router per network. And if
- >I really want to have more than one seed router on a single network,
- >then I have to bring up the other routers as nonseed, let the router
- >dynamically obtain a node number, then bring the router up as a seed
- >router.
- You can have as many "SEED" routers on a network as you want - As long as
- the network numbers (& zone names/lists) match on all connecting networks.
-
- >Of course this doesn't take into account the situation where
-
- > 1) a seed router goes down
- > 2) another node is turned on for the first time on the network
- > 3) the new node obtains the seed router's node number
- > 4) the seed router comes back up
- > 5) and there now exists a node number conflict.
- Any router, once running, becomes a SEED router. Whether it started as
- a SEED or whether it obtained it's network info from another source
- is irrelevant. Once it is running it is able to inform other networks
- of Zone/Network info. So if your SEED router goes down - big deal - the
- network still exists -(you just can't route through the broken router -
- obviously). Other routers will still continue to supply network #'s &
- zone info to inquiring nodes. If the Seed router comes back online and
- it's old node number is taken - choose another... simple !
-
- >What else can I tell my developer to convince him that he is wrong?
- The best way to convince him that he is wrong is to not buy their product.
- Go else where and get good reliable support ;-)
-
- >Chris
- Darryl.
- Webster Computers
-
-
- Usual disclaimers apply !!!.
-