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- From: bray_eo@tamug.tamu.edu (Elliott O. Bray)
- Subject: Re: Booting across a router
- Message-ID: <bray_eo.31.722145779@tamug.tamu.edu>
- Sender: news@tamsun.tamu.edu (Read News)
- Organization: Texas A&M University at Galveston
- References: <Bxvv4G.3xx@oryx.com>
- Date: Thu, 19 Nov 1992 04:02:59 GMT
- Lines: 44
-
- In article <Bxvv4G.3xx@oryx.com> xcpgzm@oryx.com (Phil Meyer) writes:
- >From: xcpgzm@oryx.com (Phil Meyer)
- >Subject: Booting across a router
- >Date: Tue, 17 Nov 1992 23:12:15 GMT
- >We have a SUN 690 MP with six ethernet interfaces on it. We intend to
- >grow this system to serve about 200 SUN clients. With our data
- >requirements, we want to run no more than 16 clients per subnet. This
- >is assuming that the NC400 board is as good as a cisco (big
- >assumption). I am only assuming cisco because I like cisco, but am
- >open to any good alternatives. We use both cisco and NSC boxes for
- >routing between sites, and to manage communications between differnt
- >types of networks.
- >
- >Here is our dilemma. We run diskles systems (all local disk is swap
- >with tmpfs). We like the simplicity of administration this gives us.
- >We may even consider beefing up to a SparcCenter 2000 by mid year, but
- >this does not (yet) address the problem of shear ethernet bandwidth to
- >200 clients. I realize that even SUN itself has many clients per
- >server. What is the best way to do it? If broadcasts are not passed
- >by a router, then how do you boot through the cisco?
- >If you open up the cisco to pass broadcasts, then doesn't every
- >connected subnet see all broadcasts?
- >
- >Secondly, how do you provide maximum bandwidth to each client? What
- >is the best interface between the server and the router? FDDI maybe?
- >
- >Thirdly, each of the subnets needs access to the Amdahl running UTS
- >for our disk farm. Does the cisco do SNA like the NSC?
- >
- >Too many choices...
- >
- >Inquiring minds want to know how you did it, or how you would do it
- >if you could do it all over again.
- >
- >I will summarize.
- >--
- >+-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-+
- >| Phil Meyer - The consummate UNIX analyst/SA/NA
- >|+-=-=-=-=-=-=-=-=-=-=-=-=+
- >| (only cuz I eat too much)
- >|
- >+-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
- >=-+
- We run BOOTP across a pair of ciscos. See ip-helpers
-