6 Sep
2025
6 Sep
'25
11:23 p.m.
Sure. But we already knew this. This is why SCOOBY says the circuit is up.
However, other machines are not seeing any traffic from SCOOBY.
And I'm not seeing a single message *from* 31.282 in here.
Johnny
On 2025-09-06 23:05, Brian Roth wrote:
OK, here is a snippet of tcpdump from SCOOBY's Pi.
Looks like the
traffic is there.
17:02:13.509560 router-hello l1rout vers 2 eco 0 ueco 0 src 31.279
blksize 591 pri 50 hello 15
17:02:13.913238 router-hello l1rout vers 2 eco 0 ueco 0 src 31.280
blksize 1498 pri 64 hello 15
17:02:14.997234 router-hello l1rout vers 2 eco 0 ueco 0 src 31.280
blksize 1498 pri 64 hello 15
17:02:15.633073 router-hello l1rout vers 2 eco 0 ueco 0 src 31.278
blksize 1498 pri 64 hello 15
17:02:16.459092 lev-1-routing src 31.278 {ids 96-128 cost 511 hops 31}
17:02:16.460446 lev-1-routing src 31.278 {ids 352-384 cost 511 hops 31}
17:02:16.461785 lev-1-routing src 31.278 {ids 608-640 cost 511 hops 31}
17:02:16.463104 lev-1-routing src 31.278 {ids 864-896 cost 511 hops 31}
17:02:17.884829 endnode-hello endnode vers 2 eco 0 ueco 0 src 31.272
blksize 1498 rtr 31.280 hello 15 data 2
17:02:18.648763 endnode-hello endnode vers 2 eco 0 ueco 0 src 31.276
blksize 1498 rtr 31.280 hello 15 data 2
17:02:20.436625 endnode-hello endnode vers 2 eco 0 ueco 0 src 31.271
blksize 1498 rtr 31.280 hello 15 data 2
17:02:21.194538 endnode-hello endnode vers 2 eco 0 ueco 0 src 31.275
blksize 1498 rtr 31.280 hello 15 data 2
17:02:22.145616 lev-1-routing src 31.279 {ids 0-283 cost 20 hops 1}
17:02:22.146323 lev-1-routing src 31.279 {ids 283-566 cost 511 hops 31}
17:02:22.146907 lev-1-routing src 31.279 {ids 566-849 cost 511 hops 31}
17:02:22.147337 lev-1-routing src 31.279 {ids 849-1024 cost 511 hops 31}
17:02:22.155315 lev-1-routing src 31.280 {ids 384-416 cost 511 hops 31}
17:02:22.158407 lev-1-routing src 31.280 {ids 640-672 cost 511 hops 31}
17:02:22.158419 lev-1-routing src 31.280 {ids 896-928 cost 511 hops 31}
17:02:22.158588 lev-1-routing src 31.280 {ids 128-160 cost 511 hops 31}
17:02:24.021310 endnode-hello endnode vers 2 eco 0 ueco 0 src 31.274
blksize 1498 rtr 31.280 hello 15 data 2
17:02:24.188449 endnode-hello endnode vers 2 eco 0 ueco 0 src 31.270
blksize 1498 rtr 31.280 hello 15 data 2
17:02:28.559374 router-hello l1rout vers 2 eco 0 ueco 0 src 31.279
blksize 591 pri 50 hello 15
17:02:30.644785 router-hello l1rout vers 2 eco 0 ueco 0 src 31.278
blksize 1498 pri 64 hello 15
17:02:30.966036 router-hello l1rout vers 2 eco 0 ueco 0 src 31.280
blksize 1498 pri 64 hello 15
17:02:32.032453 router-hello l1rout vers 2 eco 0 ueco 0 src 31.280
blksize 1498 pri 64 hello 15
17:02:32.859846 endnode-hello endnode vers 2 eco 0 ueco 0 src 31.272
blksize 1498 rtr 31.280 hello 15 data 2
17:02:33.646725 endnode-hello endnode vers 2 eco 0 ueco 0 src 31.276
blksize 1498 rtr 31.280 hello 15 data 2
17:02:35.439725 endnode-hello endnode vers 2 eco 0 ueco 0 src 31.271
blksize 1498 rtr 31.280 hello 15 data 2
17:02:36.171085 endnode-hello endnode vers 2 eco 0 ueco 0 src 31.275
blksize 1498 rtr 31.280 hello 15 data 2
17:02:39.021311 endnode-hello endnode vers 2 eco 0 ueco 0 src 31.274
blksize 1498 rtr 31.280 hello 15 data 2
17:02:39.168715 endnode-hello endnode vers 2 eco 0 ueco 0 src 31.270
blksize 1498 rtr 31.280 hello 15 data 2
17:02:42.204505 lev-1-routing src 31.279 {ids 283-566 cost 511 hops 31}
17:02:42.205156 lev-1-routing src 31.279 {ids 566-849 cost 511 hops 31}
17:02:42.205662 lev-1-routing src 31.279 {ids 849-1024 cost 511 hops 31}
17:02:42.206276 lev-1-routing src 31.279 {ids 0-283 cost 20 hops 1}
17:02:43.600222 router-hello l1rout vers 2 eco 0 ueco 0 src 31.279
blksize 591 pri 50 hello 15
17:02:45.642097 router-hello l1rout vers 2 eco 0 ueco 0 src 31.278
blksize 1498 pri 64 hello 15
17:02:47.908159 endnode-hello endnode vers 2 eco 0 ueco 0 src 31.272
blksize 1498 rtr 31.280 hello 15 data 2
17:02:48.001543 router-hello l1rout vers 2 eco 0 ueco 0 src 31.280
blksize 1498 pri 64 hello 15
17:02:48.712794 endnode-hello endnode vers 2 eco 0 ueco 0 src 31.276
blksize 1498 rtr 31.280 hello 15 data 2
17:02:49.053465 router-hello l1rout vers 2 eco 0 ueco 0 src 31.280
blksize 1498 pri 64 hello 15
On Saturday, September 6, 2025 at 04:30:56 PM EDT, Brian Roth
<abacos_98(a)yahoo.com> wrote:
This is really kicking me. I have a rack with 5 Pi's in it. All are
going to the same switch. 2 of them have 4 simh instances each that are
working fine (DECNET). TCP-IP is working fine on all of them. They are
all wired. On the Pi thats running SCOOBY I created a 11/780 running VMS
5.5. It does not communicate as well even though it says circuit up
(same problem as SCOOBY) OK, I created another instance on an entirely
different Pi with the same results. I have changed around the assigned
MAC address's in the simh ini files, swapped switch ports. Running out
of idea's here. I have Wireshark on one of the Pi's but have no
experience using it. Guess I better learn.
Brian.
On Friday, September 5, 2025 at 02:10:04 PM EDT, Johnny Billquist
<bqt(a)softjar.se> wrote:
I would probably guess at a problem with the actual MAC address used by
that MicroVMS system, but it's pretty hard to troubleshoot this remotely.
But it's very clear that all the other nodes are not seeing 31.282 as
up, and so any communication will be failing.
Other possible problems could be if the connection to the outside
network is actually configured differently on this instance than the
others, for example.
Trying to think of other possible problems it could be. Maybe posting
the simh config for the failing machine, as well as for one working,
could be helpful.
Johnny
On 2025-09-05 20:04, Johnny Billquist wrote:
--
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: bqt(a)softjar.se <mailto:bqt@softjar.se> || Reading
murder books
pdp is alive! || tryin' to stay hip" - B. Idol
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--
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: bqt(a)softjar.se || Reading murder books
pdp is alive! || tryin' to stay hip" - B. Idol
I've seen issues sometimes, but I don't
know the full extent of whatthe
exact results might be.
But don't matter. Now we know they are all simh instances.
Johnny
On 2025-09-05 19:57, Paul Koning wrote:
> I thought SQE failure is only a warning and would not stop the device
> from working.
>
> pul
>
>> On Sep 5, 2025, at 1:27 PM, Johnny Billquist <bqt(a)softjar.se
<mailto:bqt@softjar.se>>wrote:
>>
>> That's one possibility. Another if he's running on some kind of
>> emulator on a system that don't actually allow programmatic changeof
>> the MAC address, and you need to set the MAC correctly in the
>> emulator before starting up. And if it is real hardware, is it
>> connected to some switch then?10baseT? Does he have an adapter that
>> can do SQE?
>>
>> There are many possible ways things could not work. What we can see
>> isjust that incoming broadcast/multicast packets work, but so far
>> nothing else.
>>
>> Johnny
>>
>> On 2025-09-05 19:22, Paul Koning wrote:
>>> Is it WiFi? That doesn't work with DECnet MAC addresses (itdoesn't
>>> like it when the NIC changes its address to aa-00-04-00-xx-yy).
>>> paul
>>>> On Sep 5, 2025, at 1:14 PM, Johnny Billquist <bqt(a)softjar.se
<mailto:bqt@softjar.se>> wrote:
>>>>
>>>> Well, GEEZER (31.278) is not seeing 31.282 as up. So that's why you
>>>> have a problem. This usually means that packets are working in one
>>>> direction, but not the other.
>>>>
>>>> Was this a real machine? How have you connected it to the rest of
>>>> the network?
>>>>
>>>> Johnny
>>>>
>>>> On 2025-09-05 18:45, Brian Roth wrote:
>>>>> The address is 31.282. No File access, Phone or NCP Tell to other
>>>>> nodes but it is still able to go out and find a router. It
>>>>> (31.282) can phone itself and set host but other nodes it just
>>>>> hangs. If I phone anothernode it will just sit at "Establishing
>>>>> Decnet Link and then error to "Node is not reachable.
>>>>> Brian.
>>>>> On Friday, September 5, 2025 at 12:38:11 PM EDT, Johnny Billquist
>>>>> <bqt(a)softjar.se <mailto:bqt@softjar.se>
<mailto:bqt@softjar.se>>
wrote:
>>>>> No. Qbus ethernet or Unibus
ethernet makes no difference here.
>>>>> Does anything else work? NCP to other nodes? Phone? File access?
>>>>> What's the address of that microvax?
>>>>> Johnny
>>>>> On 2025-09-05 17:59, Brian Roth wrote:
>>>>>> Hello, I currently have 8 simh vax machines on Hecnet all
working
>>>>>> fine.
>>>>>> Its a mix of machines running VMS 3.5 to 7.3 and while some were
>>>>>> abit
>>>>>> of a challenge they all talk. I recently configured a MicrovaxII
>>>>>> with
>>>>>> MicroVMS 4.6 as well as Decnet 4.6 and assigned it to my area
31.
>>>>>> The
>>>>>> network loads without errors and I am able to SET HOST to itself
>>>>>> butto
>>>>>> no other nodes in my area or vice versa. SHOW KNOWN CIRCUITS
>>>>>> showsthe
>>>>>> hosts I manually defined. SHOW KNOWN CIRCUITS CHARACTERISTICS
showsa
>>>>>> designated router in my
area so its finding that. If I bring a
>>>>>> router
>>>>>> node down it successfully finds another in the area.
>>>>>>
>>>>>> The microvax node:
>>>>>>
>>>>>> Known Circuit Volatile Characteristics as of 5-SEP-1987
11:37:16
>>>>>>
>>>>>> Circuit = QNA-0
>>>>>>
>>>>>> State = on
>>>>>> Service = disabled
>>>>>> Designated router = 31.278
>>>>>> Cost =4
>>>>>> Router priority =64
>>>>>> Hello timer = 15
>>>>>> Type = Ethernet
>>>>>> Adjacent node =31.278
>>>>>> Listen timer = 45
>>>>>>
>>>>>> The working nodes match with the exception of the circuit. All
>>>>>> theother
>>>>>> machines are UNA-0 (UNIBUS) and this one is of course QNA-0
>>>>>> Couldthis
>>>>>> be the problem?
>>>>>>
>>>>>> Brian.
>>>>>>
>>>>>>
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>>>>> --
>>>>> Johnny Billquist || "I'm on a bus
>>>>> || on a psychedelic trip
>>>>> email:bqt@softjar.se
<mailto:bqt@softjar.se><mailto:bqt@softjar.se
>>>>> <mailto:bqt@softjar.se>> || Reading murder books
>>>>> pdp is alive! || tryin' to stay hip" -
B. Idol
>>>>> _______________________________________________
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>>>>
>>>> --
>>>> Johnny Billquist || "I'm on a bus
>>>> || on a psychedelic trip
>>>> email: bqt(a)softjar.se || Reading murder books
>>>> pdp is alive! || tryin' to stay hip" - B.
Idol
>>>>
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>>
>> --
>> Johnny Billquist || "I'm on a bus
>> || on a psychedelic trip
>> email: bqt(a)softjar.se || Reading murder books
>> pdp is alive! || tryin' to stay hip" - B. Idol
>>
>> _______________________________________________
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