HECnet June 2012

hecnet@lists.dfupdate.se

38 participants
612 discussions

by sampsa＠mac.com

On 10 Jun 2012, at 09:37, Mark Benson wrote: I don't know of any for OS X either, it's not exactly and OS that exudes support for legacy systems. BUT IT'S SO SHINY!

12 years, 5 months

Multinet Tunnel Connections to SG1::

by md.benson＠gmail.com

On 10 Jun 2012, at 07:59, Dave McGuire wrote: On 06/08/2012 11:08 AM, Gregg Levine wrote: At one point in time, the OS for the Mac did speak natively to the DEC family of hardware. It would be very interesting to find out how they did it. This would greatly benefit Sampsa at least. Yes, but *which one*? The "original" MacOS bears no resemblance to, and shares no code with, the current UNIX-based OS. I know of no MacOS-X-based DECnet implementations. (sadly) I think we established it was Classic Mac OS and was likely using TSSnet or PWMac :) I don't know of any for OS X either, it's not exactly and OS that exudes support for legacy systems. -- Mark Benson http://DECtec.info Twitter: @DECtecInfo HECnet: STAR69::MARK Online Resource & Mailing List for DEC Enthusiasts.

12 years, 5 months

netowrk flapping....

by hvlems＠zonnet.nl

Bob, on A44RTR is see SG1 flapping as well. After breakfast I'll see whether there is a pattern. Initially I thought it was the linux laptop going to sleep after a whule. That may not be the case. Hans ------Origineel bericht------ Van: Bob Armstrong Afzender: owner-hecnet at Update.UU.SE Aan: hecnet at Update.UU.SE Beantwoorden: hecnet at Update.UU.SE Onderwerp: RE: [HECnet] netowrk flapping.... Verzonden: 10 juni 2012 01:32 Yup, that's basically a deficiency I've got... Yeah, but the next question is "Are you the only one", or do other people's routers have similar timeout issues? Bob

12 years, 5 months

Re-homing VAXen, was Re: [HECnet] Introducing myself... and my little network

by mcguire＠neurotica.com

On 06/08/2012 10:17 AM, Bill Pechter wrote: My wife refers to the 11/7xx boxes I worked on as my old girlfriends. ;) If one more piece of hardware hits the house I'll need the same lawyer. I'd sure miss Wifey...for a little while. ;) As soon as I can find it a good home I'm getting rid of my Vaxstation and going to go to only emulated hardware under VMware Workstation/ESXi/XenServer at home. Let me know if you need an extra pair of hands with VMware ESXi; I run a big host machine here and several more for clients. And...What model of VAXstation? I'd very happily give another VAX (or two, three..) a home. -Dave -- Dave McGuire, AK4HZ New Kensington, PA

12 years, 5 months

Multinet Tunnel Connections to SG1::

by mcguire＠neurotica.com

On 06/08/2012 11:08 AM, Gregg Levine wrote: At one point in time, the OS for the Mac did speak natively to the DEC family of hardware. It would be very interesting to find out how they did it. This would greatly benefit Sampsa at least. Yes, but *which one*? The "original" MacOS bears no resemblance to, and shares no code with, the current UNIX-based OS. I know of no MacOS-X-based DECnet implementations. (sadly) -Dave -- Dave McGuire, AK4HZ New Kensington, PA

12 years, 5 months

netowrk flapping....

by jeep＠scshome.net

This end is a FVS318... -Steve -----Original Message----- From: owner-hecnet at Update.UU.SE [mailto:owner-hecnet at Update.UU.SE] On Behalf Of Bob Armstrong Sent: Saturday, June 09, 2012 18:45 To: hecnet at Update.UU.SE Subject: RE: [HECnet] netowrk flapping.... and Bob A has a home gw (forgot what it was) that he claims do the right thing, (not decnet routing..) Well, I have a Netgear FVS338. It's a "SOHO" box - somewhere between a turnkey home router and a fancy Cisco box. I never thought of it as all that great, but it does allow me to set up static routes. In particular I can map specific external ports/Internet IPs to internal ports/IPs independent of the NAT. Bob

12 years, 5 months

netowrk flapping....

by marc＠bluevine.net

Any chance this device can be replaced with something IP compatible? (What's the uplink interface?) I don't know of a device that I could easily replace it with that is still supported, has VLAN support with multiple virtual interfaces, and without being too prohibitive for a home router. The uplink port is a gigabit port connected to my FiOS ONT (connected at 100 Mbps). --Marc

12 years, 5 months

netowrk flapping....

by roll＠Stupi.SE

With my connection, I noticed that the circuit would disconnect and reconnect periodically. It corresponded to the timeout in my firewall causing the UDP association to be lost. When I increased the timeout in my firewall for these port 700 UDP "connections", that made my circuit much more stable. Like Peter said, Peter and I had a big debate about this at lunch today. UDP is, by definition (or so I thought), both stateless and connectionless. I can't understand what state or connection is being timed out in this case.... Yes, a UDP session is connectionless, however when a firewall is doing NAT and/or PAT (remember I mentioned that my firewall is randomizing the source port number, so the LAN port numbers are different from the ones sent over the internet), it needs to maintain a session table to keep track of which IP addresses and port numbers map to which systems and port numbers locally. Those connections time out after a while, and then subsequent UDP packets wouldn't be recognized. Any chance this device can be replaced with something IP compatible? (What's the uplink interface?) --P

12 years, 5 months

netowrk flapping....

by bob＠jfcl.com

Yup, that's basically a deficiency I've got... Yeah, but the next question is "Are you the only one", or do other people's routers have similar timeout issues? Bob

12 years, 5 months

Network flapping, what's it all mean????

by bob＠jfcl.com

Ok, I looked thru 36 hours of OPERATOR.LOG on LEGATO for listener receive timeout adjacency down/adjacency up ( flapping as Peter calls it). Here s what I found The Multinet connection to SG1 flaps all the time, almost like clockwork, with a period of about 20 minutes. The Multinet connection to GORVAX flapped once in that same 36 hour period. The Multinet connection to STUPI never flapped, although it did suffer from one corrupted packet error. The Multinet connections to CIERE and FRUGAL never, ever, flapped nor suffered any corrupted packets. So, what s it mean?? Bob

12 years, 5 months

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HECnet June 2012