HECnet

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15580 discussions

HECnet bridge and tun/tap problems on Ubuntu 12.04 ...

by bob＠jfcl.com

`ifconfig <interface> promisc` That's too easy :-) Sadly, it doesn't seem to fix anything. Both the bridge and simh are connected to tap0, apparently w/o error, but no messages seem to be going anywhere. Bob

11 years, 10 months

HECnet bridge and tun/tap problems on Ubuntu 12.04 ...

by bob＠jfcl.com

I know that I've seen a patch to simh in the past, to connect to HECnet directly from simh, Yep, I've seen that too, although I don't know the current status. Maybe Mark can put it in the production simh release ? In the meantime, the tap device solves the problem just fine (or at least it used to). Bob

11 years, 10 months

HECnet bridge and tun/tap problems on Ubuntu 12.04 ...

by b4＠gewt.net

On Sun, 10 Nov 2013, Bob Armstrong wrote: Try setting the interfaces promiscuous. Ummm, what's the magic command to do that? `ifconfig <interface> promisc` Bob -- Cory Smelosky http://gewt.net Personal stuff http://gimme-sympathy.org Projects

11 years, 10 months

HECnet bridge and tun/tap problems on Ubuntu 12.04 ...

by bob＠jfcl.com

Recent simh versions no longer need any external program to work with tap devices. I saw that - simh v3.9, I think. I'm still using 3.8-3 (I have some local patches that I don't want to redo just yet). It's a good suggestion, but the fact is that the old simh worked just fine with Ubuntu 10.04 - it's the upgrade to 12.04 that broke things. Bob

11 years, 10 months

HECnet bridge and tun/tap problems on Ubuntu 12.04 ...

by bob＠jfcl.com

Try setting the interfaces promiscuous. Ummm, what's the magic command to do that? Bob

11 years, 10 months

HECnet bridge and tun/tap problems on Ubuntu 12.04 ...

by bqt＠softjar.se

Mark, I don't think Bob suggested he used some special program to connect simh to a tap device. What he did was use my bridge to connect his machines to HECnet, which is a step on the other side of the tap device. By the way, Bob, I know that I've seen a patch to simh in the past, to connect to HECnet directly from simh, without the addition of the bridge program. Maybe something to use? Johnny On 2013-11-10 18:53, Mark Pizzolato - Info Comm wrote: Hi Bob, Recent simh versions no longer need any external program to work with tap devices. There is integrated support for tap devices, and there also is support for the more generic vde networking capabilities. The latest source is available at: https://github.com/simh/simh/archive/master.zip To build on Ubuntu 12.0.4 the first time, as root you may need to: # apt-get install libpcap-dev # apt-get install libvdeplug2-dev Then as a normal user: $ make vax -Mark *From:*owner-hecnet at Update.UU.SE [mailto:owner-hecnet at Update.UU.SE] *On Behalf Of *Bob Armstrong *Sent:* Sunday, November 10, 2013 9:08 AM *To:* hecnet at Update.UU.SE *Subject:* [HECnet] HECnet bridge and tun/tap problems on Ubuntu 12.04 ... It s not exactly a DEC problem, but I know there are several people on HECnet running simh under Linux and I m hoping somebody has already figured this one out. I used to run simh (vax and pdp11 both) under Ubuntu 10.04 using Johnny s bridge program and a tap device to connect to HECnet. sudo tunctl -t tap0 sudo ifconfig tap0 up sudo -b /usr/local/bin/hecnet-bridge 4711 the bridge.conf file (I ll post it if anybody wants) bridges tap0 with Psilo.update.uu.se and in simh I would say set xqb enabled attach xqb tap0 and it worked great. Everybody was happy :-) BUT, now I ve upgraded to Ubuntu 12.04 (Ok, I m not an early adopter!) and, as you might guess, it doesn t work anymore. No errors and the tap0 device looks OK bob at falsetto:~/legato$ ifconfig tap0 tap0 Link encap:Ethernet HWaddr c6:36:37:eb:16:7a UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:500 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) but nothing ever happens. No data seems to pass between the bridge program and simh. Is anybody else using Ubuntu? Did you run into this problem? Thanks, Bob -- Johnny Billquist || "I'm on a bus || on a psychedelic trip email: bqt at softjar.se || Reading murder books pdp is alive! || tryin' to stay hip" - B. Idol

11 years, 10 months

HECnet bridge and tun/tap problems on Ubuntu 12.04 ...

by Mark＠infocomm.com

Hi Bob, Recent simh versions no longer need any external program to work with tap devices. There is integrated support for tap devices, and there also is support for the more generic vde networking capabilities. The latest source is available at: https://github.com/simh/simh/archive/master.zip To build on Ubuntu 12.0.4 the first time, as root you may need to: # apt-get install libpcap-dev # apt-get install libvdeplug2-dev Then as a normal user: $ make vax - Mark From: owner-hecnet at Update.UU.SE [mailto:owner-hecnet at Update.UU.SE] On Behalf Of Bob Armstrong Sent: Sunday, November 10, 2013 9:08 AM To: hecnet at Update.UU.SE Subject: [HECnet] HECnet bridge and tun/tap problems on Ubuntu 12.04 ... It s not exactly a DEC problem, but I know there are several people on HECnet running simh under Linux and I m hoping somebody has already figured this one out. I used to run simh (vax and pdp11 both) under Ubuntu 10.04 using Johnny s bridge program and a tap device to connect to HECnet. sudo tunctl -t tap0 sudo ifconfig tap0 up sudo -b /usr/local/bin/hecnet-bridge 4711 the bridge.conf file (I ll post it if anybody wants) bridges tap0 with Psilo.update.uu.se and in simh I would say set xqb enabled attach xqb tap0 and it worked great. Everybody was happy :-) BUT, now I ve upgraded to Ubuntu 12.04 (Ok, I m not an early adopter!) and, as you might guess, it doesn t work anymore. No errors and the tap0 device looks OK bob at falsetto:~/legato$ ifconfig tap0 tap0 Link encap:Ethernet HWaddr c6:36:37:eb:16:7a UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:500 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) but nothing ever happens. No data seems to pass between the bridge program and simh. Is anybody else using Ubuntu? Did you run into this problem? Thanks, Bob

11 years, 10 months

HECnet bridge and tun/tap problems on Ubuntu 12.04 ...

by b4＠gewt.net

Sent from my iPhone On 10 Nov 2013, at 12:08, "Bob Armstrong" <bob at jfcl.com> wrote: It s not exactly a DEC problem, but I know there are several people on HECnet running simh under Linux and I m hoping somebody has already figured this one out. I used to run simh (vax and pdp11 both) under Ubuntu 10.04 using Johnny s bridge program and a tap device to connect to HECnet. sudo tunctl -t tap0 sudo ifconfig tap0 up sudo -b /usr/local/bin/hecnet-bridge 4711 the bridge.conf file (I ll post it if anybody wants) bridges tap0 with Psilo.update.uu.se and in simh I would say set xqb enabled attach xqb tap0 and it worked great. Everybody was happy :-) BUT, now I ve upgraded to Ubuntu 12.04 (Ok, I m not an early adopter!) and, as you might guess, it doesn t work anymore. No errors and the tap0 device looks OK bob at falsetto:~/legato$ ifconfig tap0 tap0 Link encap:Ethernet HWaddr c6:36:37:eb:16:7a UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:500 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) but nothing ever happens. No data seems to pass between the bridge program and simh. Is anybody else using Ubuntu? Did you run into this problem? Thanks, Bob Try setting the interfaces promiscuous.

11 years, 10 months

HECnet bridge and tun/tap problems on Ubuntu 12.04 ...

by bob＠jfcl.com

It s not exactly a DEC problem, but I know there are several people on HECnet running simh under Linux and I m hoping somebody has already figured this one out. I used to run simh (vax and pdp11 both) under Ubuntu 10.04 using Johnny s bridge program and a tap device to connect to HECnet. sudo tunctl -t tap0 sudo ifconfig tap0 up sudo -b /usr/local/bin/hecnet-bridge 4711 the bridge.conf file (I ll post it if anybody wants) bridges tap0 with Psilo.update.uu.se and in simh I would say set xqb enabled attach xqb tap0 and it worked great. Everybody was happy :-) BUT, now I ve upgraded to Ubuntu 12.04 (Ok, I m not an early adopter!) and, as you might guess, it doesn t work anymore. No errors and the tap0 device looks OK bob at falsetto:~/legato$ ifconfig tap0 tap0 Link encap:Ethernet HWaddr c6:36:37:eb:16:7a UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:500 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) but nothing ever happens. No data seems to pass between the bridge program and simh. Is anybody else using Ubuntu? Did you run into this problem? Thanks, Bob

11 years, 10 months

Kuiper/Charon X3.1, Platform: Takara @ 500MHz, MOS Operator Control ???

by mark＠wickensonline.co.uk

So the latest Takara Alpha PICMG Industrial PC picked up from eBay last week has a different firmware image to the last one. Apparently it has something to do with VNswitches, but I'm not sure how it would have fitted in to a bigger picture. It looks like at one point it contained three network cards given the errors. Does anyone have any knowledge of this? It looks like I'm going to have to resort to the technique I performed on the last box when I flashed AlphaBIOS which would then not allow a reflash. I had to set a jumper on the CPU card and create a boot floppy with replacement firmware on. Looks like the 'MOS Operator Control' prompt is a dead sheriff rather than a dead sergeant! Regards, Mark. ------ %< ------ %<------ %< ------ %<------ %< ------ %<------ %< ------ %< Kuiper/Charon X3.1 Platform: Takara @ 500MHz Memory: 64MB PCI bus 0 slot 7 fn 0 irq=0000001D : Intel 82378 SIO DEC 10/100 Mb/s Ethernet start failed: device not found DEC 10/100 Mb/s Ethernet start failed: device not found DEC 10/100 Mb/s Ethernet start failed: device not found Copyright 1995-1996 Digital Equipment Corp. MOS Operator Control *? BREAKPOINT DIVERT output from process FLUSH output from process HALT output from process INTERCEPT character is LOGOUT MEMORY statistics RAMLOAD RESTART RELOAD STATUS of process(es) TALK to process TELNET to IP-Address <this terminal type> *memory Number of bytes: Busy = 51560, Idle = 2352, Free = 49553648 * -- http://www.wickensonline.co.uk http://hecnet.eu http://declegacy.org.uk http://retrochallenge.net https://twitter.com/#!/%40urbancamo -- http://www.wickensonline.co.uk http://hecnet.eu http://declegacy.org.uk http://retrochallenge.net https://twitter.com/#!/%40urbancamo

11 years, 10 months

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