"ma" == Mikael Abrahamsson <swmike@swm.pp.se> writes: I was under the impression that there is nothing magical about jumbo frames and that there are no interoperational problems with them as long as they're supported at all. Please correct me if I am wrong.
I'm afraid you are wrong... all interfaces connected to a logical IP subnetwork should have the same MTU. For most Layers-2 there is a pretty well-established default such as 1500 for Ethernet, 4470 for FDDI (well for ATM many people use 4470 rather than the IETF suggestion of 9180). But for Gigabit Ethernet the only standard MTU is the Ethernet MTU (1500). For a new exchange point built on Gigabit Ethernet, it could be worthwhile to postulate a larger MTU such as 8192 or 9180 and make sure every participant actually uses exactly that. But most exchange points supporting GigE still provide bridging to legacy (Fast) Ethernet, on which larger MTUs are uncommon or not supported at all. And bridging between Layer-2s is similarly problematic to having different MTUs in a LIS, although I'm well aware that such configurations are being used in many places, and thanks to bridges that do clever stuff besides bridging this may even work more or less reliably. -- Simon.
Looking for a stable and scalable radius solution. (Should handle at least 5,000 users.) What's the current favorite? -brad (Rural CNE)
Brad, You my want to evaluate a product called Steel Belted Radius. http://www.funk.com/ -Don Bradly Walters wrote:
Looking for a stable and scalable radius solution. (Should handle at least 5,000 users.)
What's the current favorite?
-brad (Rural CNE)
[ On Friday, July 21, 2000 at 15:22:13 (-0500), Bradly Walters wrote: ]
Subject: Radius Opinions
Looking for a stable and scalable radius solution. (Should handle at least 5,000 users.)
What's the current favorite?
I'm still using the Cistron RADIUSd-1.5.4.3 with over 4400 users in /etc/passwd now; on a PII-300MHz/196MB running NetBSD/i386 that's also the mail server and homepage web server, and it's not even breathing hard. There are three Livingston PM-3's querying it with a peak of about 110 lines active daily. I don't know what the peak number of logins per second is, but there were over 2200 yesterday all together. I've been thinking of upgrading to 1.6.1 for some time (1.6.3 is now available I see), but there just haven't been any problems with it at all. I've tested the 1.5.4.3 release, though not under any significant load, on the same kind of system with a faked-up password file of 50,000 users, and it worked just fine. I've no reason to believe that on appropriatelye powerful dedicated hardware that it couldn't handle the full 4.2 billion users possible on your average modern unix-style system and a similar increase in transactions. You might have to put your radwtmp file on a memory filesystem and do something to handle the load of writing billions of accounting and log file records ever day, but other than that it's a pretty basic little server that just chugs along. You can find it in ftp://ftp.cistron.nl/pub/people/miquels/radius/ or on ftp://ftp.freeradius.org/pub/radius/ There's an alpha snapshot of the "freeradius" derrivative, but it's almost 3.5 times as big and I've never even looked at it. On their web page they say "The FreeRADIUS server is currently in alpha development, and is NOT ready for production use." -- Greg A. Woods +1 416 218-0098 VE3TCP <gwoods@acm.org> <robohack!woods> Planix, Inc. <woods@planix.com>; Secrets of the Weird <woods@weird.com>
"Greg A. Woods" wrote:
There's an alpha snapshot of the "freeradius" derrivative, but it's almost 3.5 times as big and I've never even looked at it. On their web page they say "The FreeRADIUS server is currently in alpha development, and is NOT ready for production use."
icradius is a cool adaption of Cistron RADIUS that uses a MySQL DB as a backend. The authors of both Cistron and icradius are participating in the Freeradius project. -- North Shore Technologies, Cleveland, OH http://NorthShoreTechnologies.net Steve Sobol, BOFH - President, Chief Website Architect and Janitor Linux Instructor, PC/LAN Program, Natl. Institute of Technology, Akron, OH sjsobol@NorthShoreTechnologies.net - 888.480.4NET - 216.619.2NET
Radiator 3 Free Radius 2 Steel Belted 2 IC Radius 2 Cistron 2 All others 1 -brad (Rural CNE)
On Sat, Jul 22, 2000 at 02:34:46PM -0500, Bradly Walters wrote:
Radiator 3 Free Radius 2 Steel Belted 2 IC Radius 2 Cistron 2
All others 1
my view on this would be: Cistron (and variants) 6 Radiator 3 Steel Belted 2 -- [ Jim Mercer jim@reptiles.org +1 416 410-5633 ] [ Reptilian Research -- Longer Life through Colder Blood ] [ Don't be fooled by cheap Finnish imitations; BSD is the One True Code. ]
participants (6)
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Bradly Walters -
Don Cary Grant -
Jim Mercer -
Simon Leinen -
Steve Sobol -
woods＠weird.com