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Groups > alt.sys.pdp10 > #9848
| From | David Todd <hdtodd@gmail.com> |
|---|---|
| Newsgroups | alt.sys.pdp10 |
| Subject | Re: Try again: IP between Pi <--> klh10 TOPS-20 |
| Date | 2026-01-02 17:47 -0500 |
| Organization | A noiseless patient Spider |
| Message-ID | <fc5af379-0925-4d89-b674-ea3da6ab3db1@gmail.com> (permalink) |
| References | (1 earlier) <87ms2zluse.fsf@atr2.ath.cx> <mddldij8lyb.fsf@panix5.panix.com> <87fr8qfsmp.fsf@atr2.ath.cx> <36bf44a9-b22b-4529-8b69-c3b5598f6a04@gmail.com> <87ldih48o8.fsf@atr2.ath.cx> |
On 1/1/26 11:08 AM, jayjwa wrote:
> [dpni20: ifc "tap10" => ether f2:b:a4:51:ae:38]
> [dpni20: VHOST 0.0.0.0]
> [dpni20-W: "tap10" E/N addr changed: Old=f2:b:a4:51:ae:38 New=aa:0:4:0:13:4]
Thanks for the detailed boot-up CTY log, Jayjwa. Other than the
dbprintln() statements I inserted into osdnet.c, mine now looks much
like yours except that I don't get the E/N addr changed message. And
mine still doesn't work. The following is pretty lengthy, but I think
the important parts are at the beginning ... the rest are details in
case something seems wrong.
I think I have all the networking elements configured
as you've suggested, but still no connectivity. I think
the problem is in the routing through br0. The ping
example below, with the wrong FROM address, may be a clue.
Could you glance through this and see if there's anything obvious?
Again
- Pi eth0 is .88; wlan0 is .89
- DEC20 is to be .62 from <system>internet.address
- br0 will have address .62
- tap0 will have no address
I changed my NI definition in klt20.ini to match yours:
; Set Ethernet address
devdef ni0 564 ni20 dedic=true ifmeth=tap ifc=tap0 decnet=true
On the DEC20,
$cat internet.address
IPNI#0,192.168.1.62,PACKET-SIZE:1500,LOGICAL-HOST-MASK:255.255.255.0,DEFAULT,PREFERRED
$cat internet.gateways
PRIME 192.168.1.1
I modified my br0+tap0 setup to set the route for br0 as you suggested:
+ ip link add name br0 type bridge
+ ip link set br0 type bridge stp_state 1
+ ip link set br0 up
+ ip -4 addr add 192.168.1.62/24 broadcast + dev br0
+ ip r add default via 192.168.1.1 proto static src 192.168.1.62 dev br0
+ ip tuntap add dev tap0 mode tap
+ ip link set dev tap0 master br0
+ ip link set tap0 up
As soon as br0 is brought up, Pi connectivity with the LAN
is lost. As soon as br0 is brought down, Pi connectivity
with the LAN is restored.
After booting the DEC20, I can telnet from the DEC20 to itself:
$telnet pi20
Trying... Open
KLH20-2.0h Panda Distribution, PANDA TOPS-20 Monitor 7.1(21733)-4
HDT's KL10/TOPS20
@logout
Killed Job 9, TTY44 pi20, at 2-Jan-2026 16:03:11
Used 0:00:00 in 0:00:06
Connection closed by foreign host
but telnet to either the eth0 or wlan0 interface
of the Pi fails:
$telnet pi-5
Trying... Retransmission timeout
$telnet [192.168.1.89]
Trying... Retransmission timeout
$
and trying to get to the LAN from the Pi side fails:
(BUT NOTICE THAT IT'S *FROM* .62, not .88 or .89!):
hdtodd@pi-5:~ $ ping hdt
PING hdt-h (192.168.1.50) 56(84) bytes of data.
From pi20 (192.168.1.62) icmp_seq=1 Destination Host Unreachable
===================================================================
Details of the system status from a fresh reboot of Pi:
From a fresh reboot of the Pi (with only lo+eth0+wlan0 devices),
the br0+tap0 setup looks like this:
$ sudo ./SetBrTap.bsh 0
Setting up bridge device 'br0' at address 192.168.1.62
+ printf '\n\033[0;34mInitial conditions\033[0m\n'
Initial conditions
+ ip address show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host noprefixroute
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state
UP group default qlen 1000
link/ether 2c:cf:67:ad:c9:b9 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.88/24 brd 192.168.1.255 scope global dynamic
noprefixroute eth0
valid_lft 85912sec preferred_lft 85912sec
inet6 fe80::c953:95e9:baf2:6a3a/64 scope link noprefixroute
valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel
state UP group default qlen 1000
link/ether 2c:cf:67:ad:c9:bb brd ff:ff:ff:ff:ff:ff
inet 192.168.1.89/24 brd 192.168.1.255 scope global dynamic
noprefixroute wlan0
valid_lft 85912sec preferred_lft 85912sec
inet6 fe80::5018:b779:1c7a:15a3/64 scope link noprefixroute
valid_lft forever preferred_lft forever
+ ip route show
default via 192.168.1.1 dev eth0 proto dhcp src 192.168.1.88 metric 100
default via 192.168.1.1 dev wlan0 proto dhcp src 192.168.1.89 metric 600
192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.88 metric 100
192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.89 metric
600
+ ip link show dev br0
Device "br0" does not exist.
+ ip tuntap show
+ printf '\n\033[0;34mSet up the bridge\033[0m\n'
Set up the bridge
+ ip link add name br0 type bridge
+ ip link set br0 type bridge stp_state 1
+ ip link set br0 up
+ ip -4 addr add 192.168.1.62/24 broadcast + dev br0
+ ip r add default via 192.168.1.1 proto static src 192.168.1.62 dev br0
+ printf '\n\033[0;34mSet up tap0 \033[0m\n'
Set up tap0
+ ip tuntap add dev tap0 mode tap
+ ip link set dev tap0 master br0
+ ip link set tap0 up
+ printf '\n\033[0;32mFinal conditions\033[0m\n'
Final conditions
+ ip address show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host noprefixroute
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state
UP group default qlen 1000
link/ether 2c:cf:67:ad:c9:b9 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.88/24 brd 192.168.1.255 scope global dynamic
noprefixroute eth0
valid_lft 85912sec preferred_lft 85912sec
inet6 fe80::c953:95e9:baf2:6a3a/64 scope link noprefixroute
valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel
state UP group default qlen 1000
link/ether 2c:cf:67:ad:c9:bb brd ff:ff:ff:ff:ff:ff
inet 192.168.1.89/24 brd 192.168.1.255 scope global dynamic
noprefixroute wlan0
valid_lft 85912sec preferred_lft 85912sec
inet6 fe80::5018:b779:1c7a:15a3/64 scope link noprefixroute
valid_lft forever preferred_lft forever
4: br0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state
DOWN group default qlen 1000
link/ether 9a:60:f4:e1:2e:54 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.62/24 brd 192.168.1.255 scope global br0
valid_lft forever preferred_lft forever
5: tap0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel
master br0 state DOWN group default qlen 1000
link/ether 9a:60:f4:e1:2e:54 brd ff:ff:ff:ff:ff:ff
+ ip route show
default via 192.168.1.1 dev br0 proto static src 192.168.1.62 linkdown
default via 192.168.1.1 dev eth0 proto dhcp src 192.168.1.88 metric 100
default via 192.168.1.1 dev wlan0 proto dhcp src 192.168.1.89 metric 600
192.168.1.0/24 dev br0 proto kernel scope link src 192.168.1.62 linkdown
192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.88 metric 100
192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.89 metric
600
+ ip link show dev br0
4: br0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state
DOWN mode DEFAULT group default qlen 1000
link/ether 9a:60:f4:e1:2e:54 brd ff:ff:ff:ff:ff:ff
+ ip tuntap show
tap0: tap persist
+ ip route show dev br0
default via 192.168.1.1 proto static src 192.168.1.62 linkdown
192.168.1.0/24 proto kernel scope link src 192.168.1.62 linkdown
+ exit 0
hdtodd@pi-5:~ $
After booting the DEC20, the network looks like this
(note that tap0 and br0 have the same MAC address; is that right?):
$ ./show-ip.bsh
+ ip address show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host noprefixroute
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state
UP group default qlen 1000
link/ether 2c:cf:67:ad:c9:b9 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.88/24 brd 192.168.1.255 scope global dynamic
noprefixroute eth0
valid_lft 85381sec preferred_lft 85381sec
inet6 fe80::c953:95e9:baf2:6a3a/64 scope link noprefixroute
valid_lft forever preferred_lft forever
3: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel
state UP group default qlen 1000
link/ether 2c:cf:67:ad:c9:bb brd ff:ff:ff:ff:ff:ff
inet 192.168.1.89/24 brd 192.168.1.255 scope global dynamic
noprefixroute wlan0
valid_lft 85381sec preferred_lft 85381sec
inet6 fe80::5018:b779:1c7a:15a3/64 scope link noprefixroute
valid_lft forever preferred_lft forever
4: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UP group default qlen 1000
link/ether 9a:60:f4:e1:2e:54 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.62/24 brd 192.168.1.255 scope global br0
valid_lft forever preferred_lft forever
inet6 fe80::9860:f4ff:fee1:2e54/64 scope link proto kernel_ll
valid_lft forever preferred_lft forever
5: tap0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel
master br0 state UP group default qlen 1000
link/ether 9a:60:f4:e1:2e:54 brd ff:ff:ff:ff:ff:ff
inet6 fe80::9860:f4ff:fee1:2e54/64 scope link proto kernel_ll
valid_lft forever preferred_lft forever
+ ip link show dev br0
4: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UP mode DEFAULT group default qlen 1000
link/ether 9a:60:f4:e1:2e:54 brd ff:ff:ff:ff:ff:ff
+ ip tuntap show
tap0: tap persist
+ ip route show
default via 192.168.1.1 dev br0 proto static src 192.168.1.62
default via 192.168.1.1 dev eth0 proto dhcp src 192.168.1.88 metric 100
default via 192.168.1.1 dev wlan0 proto dhcp src 192.168.1.89 metric 600
192.168.1.0/24 dev br0 proto kernel scope link src 192.168.1.62
192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.88 metric 100
192.168.1.0/24 dev wlan0 proto kernel scope link src 192.168.1.89 metric
600
hdtodd@pi-5:~ $
The DEC20 CTY boot log looks like this:
# ./klt20
KLH10 2.0l (MyKL) built Dec 26 2025 15:54:43
Copyright � 2002 Kenneth L. Harrenstien -- All Rights Reserved.
This program comes "AS IS" with ABSOLUTELY NO WARRANTY.
Compiled for unknown-linux-gnu on aarch64 with word model USEINT
Emulated config:
CPU: KL10-extend SYS: T20 Pager: KL APRID: 3600
Memory: 8192 pages of 512 words (SHARED)
Time interval: INTRP Base: OSGET
Interval default: 60Hz
Internal clock: OSINT
Other: MCA25 CIRC JPC DEBUG PCCACHE CTYINT EVHINT
Devices: DTE RH20 RPXX(DP) TM03(DP) NI20(DP)
[MEM: Allocating 8192 pages shared memory, clearing...done]
KLH10# ; Define basic device config - one DTE, one disk, one tape
KLH10# devdef dte0 200 dte master
KLH10# devdef rh0 540 rh20
KLH10# devdef rh1 544 rh20
KLH10# devdef dsk0 rh0.0 rp type=rp07 format=dbd9 PATH=RH20.RP07.0
KLH10# devdef mta0 rh1.0 tm03 type=tu45
KLH10#
KLH10# ; Set Ethernet address
KLH10# devdef ni0 564 ni20 dedic=true ifmeth=tap ifc=tap0 decnet=true
KLH10#
KLH10# ;devdef ni0 564 ni20 ifmeth=tap ifc=tap0
KLH10# ;devdef ni0 564 ni20 ipaddr=192.168.1.62 ifc=tap0 ifmeth=tap
dedic=true
KLH10#
KLH10# ; Define the idle device on 700
KLH10# devdef idler 700 host
KLH10#
KLH10# ; Set switch register
KLH10# set sw=254200,,147
sw: 0,,0 => 254200,,147
KLH10#
KLH10# ; Set console lights I/O base register
KLH10# ; Uncomment the following line if you have a Panda display.
KLH10# ;lights 378
KLH10#
KLH10# ; Load disk bootstrap directly
KLH10# load boot.sav
Using word format "c36"...
Loaded "boot.sav":
Format: DEC-CSAV
Data: 4630, Symwds: 0, Low: 040000, High: 054641, Startaddress: 040000
Entvec: JRST (120 ST: 0, 124 RE: 0, 137 VR: 0,,0)
KLH10#
KLH10# ; Ready to GO
KLH10# [EOF on klt20.ini]
KLH10# go
Starting KN10 at loc 040000...
BOOT V11.0(315)
BOOT>/e
[BOOT: Loading] [OK]
EDDT
dbugsw/ T1 0
147$g
[TOPS20 mounted]
KLH20-2.0h Panda Distribution, PANDA TOPS-20 Monitor 7.1(21733)-4
Internet: Loading host names [OK]
System restarting, wait...
Date and time is: Friday, 2-January-2026 3:52PM
Why reload? po
Run CHECKD? y
[Checking file consistency]
Checking system structure.
[Working on structure TOPS20:]
% Rebuilding symbol table for TOPS20:<ACCOUNTS> [OK]
Local count of file pages: 138588
Local count of overhead pages: 29943
Local count of used pages: 168531
System count before CHECKD: 168532
System count after CHECKD: 168532
There are 1 lost pages
Addresses are in file TOPS20:<OPERATOR>TOPS20-LOST-PAGES.BIN.2
Check of system structure completed.
DDMP: Started
[KNILDR: Loading microcode version 1(172) into Ethernet channel 0]
Filtered IFE table: 5 entries
0: "lo" (IP 127.0.0.1) (Netmask 255.0.0.0) UP LOOPBACK
1: "eth0" (IP 192.168.1.88) (Netmask 255.255.255.0) (Extracted Ether
2c:cf:67:ad:c9:b9) UP
2: "wlan0" (IP 192.168.1.89) (Netmask 255.255.255.0) (Extracted Ether
2c:cf:67:ad:c9:bb) UP
3: "br0" (IP 192.168.1.62) (Netmask 255.255.255.0) (Extracted Ether
9a:60:f4:e1:2e:54) UP
4: "tap0" (Extracted Ether 9a:60:f4:e1:2e:54) UP
[dpni20: osn_pfinit: ifmeth=tap]
[dpni20: osn_pfinit_tuntap, line 1828: Entering, osnpf->osnpf_ifnam is tap0]
[dpni20: osn_pfinit_tuntap, line 1829: Entering, ifnam is tap0]
[dpni20: osn_pfinit_tuntap: Opening TAP device /dev/net/tun]
[dpni20: Entered 10-side of tap0 into table:]
Filtered IFE table: 5 entries
0: "lo" (IP 127.0.0.1) (Netmask 255.0.0.0) UP LOOPBACK
1: "eth0" (IP 192.168.1.88) (Netmask 255.255.255.0) (Extracted Ether
2c:cf:67:ad:c9:b9) UP
2: "wlan0" (IP 192.168.1.89) (Netmask 255.255.255.0) (Extracted Ether
2c:cf:67:ad:c9:bb) UP
3: "br0" (IP 192.168.1.62) (Netmask 255.255.255.0) (Extracted Ether
9a:60:f4:e1:2e:54) UP
4: "tap0" (Extracted Ether f2:b:a4:58:30:1e) UP
[dpni20: osn_pfinit_tuntap, line 1863: pfopen(/dev/net/tun, ...)]
[dpni20: pfopen, line 1688: entering, osnpf->osnpf_ifnam=tap0]
[dpni20: pfopen, line 1690: entering, ifname = tap0]
[dpni20: pfopen, line 1716: Try opening basename = '/dev/net/tun']
[dpni20: osn_pfinit_tuntap: ifnam requested as tt_ctx.saved_ifnam was tap0]
[dpni20: osn_pfinit_tuntap: attempt to turn on tap0]
[dpni20: osn_pfinit_tuntap, line 1903: after isdigit(), did set tap0]
[dpni20: osn_pfinit_tuntap: completed]
[dpni20: ifc "tap0" => ether f2:b:a4:58:30:1e]
[dpni20: VHOST 0.0.0.0]
SYSJOB 7A(88)-4 started at 2-Jan-2026 1552
SJ 0: @LOGIN OPERATOR
SJ 0: End of LOGIN.CMD.1
SJ 0: @ENABLE
SJ 0: $SYSTEM:STSJ1
2-Jan-2026 15:52:52 SYSJB1: SYSJB1 started.
SJ 0: $^ESET LOGIN ANY
SJ 0: $OPR
2-Jan-2026 15:52:53 SYSJB1: Job 0:
2-Jan-2026 15:52:53 SYSJB1: Job 0: KLH20-2.0h Panda Distribution,
PANDA TOPS-20 Monitor 7.1(21733)-4
2-Jan-2026 15:52:53 SYSJB1: Job 1:
2-Jan-2026 15:52:53 SYSJB1: Job 1: KLH20-2.0h Panda Distribution,
PANDA TOPS-20 Monitor 7.1(21733)-4
2-Jan-2026 15:52:53 SYSJB1: Job 2:
2-Jan-2026 15:52:53 SYSJB1: Job 2: KLH20-2.0h Panda Distribution,
PANDA TOPS-20 Monitor 7.1(21733)-4
2-Jan-2026 15:52:53 SYSJB1: Job 3:
2-Jan-2026 15:52:53 SYSJB1: Job 3: KLH20-2.0h Panda Distribution,
PANDA TOPS-20 Monitor 7.1(21733)-4
2-Jan-2026 15:52:53 SYSJB1: Job 4:
2-Jan-2026 15:52:53 SYSJB1: Job 4: KLH20-2.0h Panda Distribution,
PANDA TOPS-20 Monitor 7.1(21733)-4
2-Jan-2026 15:52:53 SYSJB1: Job 1: @LOGIN OPERATOR
2-Jan-2026 15:52:53 SYSJB1: Job 1: End of LOGIN.CMD.1
2-Jan-2026 15:52:53 SYSJB1: Job 3: @LOGIN OPERATOR
2-Jan-2026 15:52:53 SYSJB1: Job 0: @LOGIN OPERATOR
2-Jan-2026 15:52:53 SYSJB1: Job 2: @LOGIN OPERATOR
2-Jan-2026 15:52:53 SYSJB1: Job 4: @LOGIN OPERATOR
2-Jan-2026 15:52:53 SYSJB1: Job 4: End of LOGIN.CMD.1
2-Jan-2026 15:52:53 SYSJB1: Job 0: End of LOGIN.CMD.1
2-Jan-2026 15:52:53 SYSJB1: Job 1: @ENABLE
2-Jan-2026 15:52:53 SYSJB1: Job 2: End of LOGIN.CMD.1
2-Jan-2026 15:52:53 SYSJB1: Job 3: End of LOGIN.CMD.1
2-Jan-2026 15:52:53 SYSJB1: Job 3: @ENABLE
2-Jan-2026 15:52:53 SYSJB1: Job 4: @ENABLE
2-Jan-2026 15:52:53 SYSJB1: Job 0: @ENABLE
2-Jan-2026 15:52:53 SYSJB1: Job 1: $NETSRV
2-Jan-2026 15:52:53 SYSJB1: Job 2: @ENABLE
2-Jan-2026 15:52:53 SYSJB1: Job 2: $SMTJFN
2-Jan-2026 15:52:53 SYSJB1: Job 3: $MMAILR
2-Jan-2026 15:52:53 SYSJB1: Job 4: $IMAPSV
2-Jan-2026 15:52:53 SYSJB1: Job 0: $RESOLV
% [Logger 2-Jan-2026 15:52:54 ]: Started at 2-Jan-2026 15:52:53
SJ 0:
SJ 0: 15:52:53 -- Too many operator LOG files --
SJ 0: Current LOG file will be appended
SJ 0: OPR>TAKE SYSTEM:SYSTEM.CMD
SJ 0:
SJ 0: 15:52:55 --ORION logging disabled by job 1 OPERATOR at terminal 13--
SJ 0:
SJ 0: 15:52:55 --Output display for OPR modified--
SJ 0:
SJ 0: 15:52:55 --Output display for OPR modified--
SJ 0:
SJ 0: 15:52:55 --Output display for OPR modified--
SJ 0:
SJ 0: 15:52:55 --Output display for OPR modified--
SJ 0:
SJ 0: 15:52:55 Batch-Stream 0 -- Set Accepted --
SJ 0:
SJ 0: 15:52:55 Batch-Stream 1 -- Set Accepted --
SJ 0:
SJ 0: 15:52:55 Batch-Stream 0 -- Set Accepted --
SJ 0:
SJ 0: 15:52:55 Batch-Stream 1 -- Set Accepted --
SJ 0:
SJ 0: 15:52:55 Batch-Stream 0 -- Startup Scheduled --
SJ 0:
SJ 0: 15:52:55 Batch-Stream 1 -- Startup Scheduled --
15:52:55 From operator terminal 13 on node TOPS20::
=>System in operation
SJ 0: OPR>
SJ 0: 15:53:00 --SEND command completed--
SJ 0: OPR>
SJ 0: 15:53:01 -- Structure Status Change Detected --
SJ 0: Previously mounted structure TOPS20: detected
KLH20-2.0h Panda Distribution, PANDA TOPS-20 Monitor 7.1(21733)-4
HDT's KL10/TOPS20
@login hdtodd
Job 8 on TTY5 2-Jan-2026 15:53:18
Last interactive login 2-Jan-2026 15:31:21
Last non-interactive login 29-Dec-2025 08:44:20
End of LOGIN.CMD.8
@ena
2-Jan-2026 15:53:20 ACJ: Enable capabilities by job 8, user HDTODD,
program ENABLE, TTY5
$sys
Fri 2-Jan-2026 15:53:21 Up 0:01:01
1+7 Jobs Load av 0.08 0.03 0.01
No operator in attendance
Job Line Program User Origin
8* 5 SYSTAT HDTODD
1 13 OPR OPERATOR
2 DET SYSJB1 OPERATOR
3 14 RESOLV OPERATOR
4 15 NETSRV OPERATOR
5 16 SMTJFN OPERATOR
6 17 MMAILR OPERATOR
7 20 IMAPSV OPERATOR
$info inter
Network Todds.Comcast.net host name is pi20
Network interface type is IPNI, Internet address is 192.168.1.62
Network interface is up, output is enabled
Network service is enabled
Last network interface up transition: 2-Jan-2026 15:52:52
$telnet pi20
Trying... Open
KLH20-2.0h Panda Distribution, PANDA TOPS-20 Monitor 7.1(21733)-4
HDT's KL10/TOPS20
@logout
Killed Job 9, TTY44 pi20, at 2-Jan-2026 16:03:11
Used 0:00:00 in 0:00:06
Connection closed by foreign host
$telnet pi-5
Trying... Retransmission timeout
$telnet [192.168.1.89]
Trying... Retransmission timeout
$
and trying to get out from the Pi side,
hdtodd@pi-5:~ $ ping hdt
PING hdt-h (192.168.1.50) 56(84) bytes of data.
From pi20 (192.168.1.62) icmp_seq=1 Destination Host Unreachable
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Try again: IP between Pi <--> klh10 TOPS-20 David Todd <HDTodd@gmail.com> - 2025-12-29 18:31 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2025-12-30 12:54 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 Rich Alderson <news@alderson.users.panix.com> - 2025-12-30 20:43 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2025-12-31 12:50 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <HDTodd@gmail.com> - 2026-01-01 09:59 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-01-01 11:08 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <HDTodd@gmail.com> - 2026-01-01 11:27 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-01-02 13:04 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-02 17:36 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-01-03 05:37 +0000
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <HDTodd@gmail.com> - 2026-01-03 07:09 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-03 08:40 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-01-03 11:33 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <HDTodd@gmail.com> - 2026-01-03 06:59 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-04 09:07 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-04 09:20 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 Johnny Billquist <bqt@softjar.se> - 2026-01-04 16:26 +0100
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-04 10:57 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-01-05 06:38 +0000
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-02 07:46 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-01-02 12:54 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-02 17:05 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 Rich Alderson <news@alderson.users.panix.com> - 2026-01-02 20:32 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <HDTodd@gmail.com> - 2026-01-02 22:21 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-02 17:47 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-01-03 12:15 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-03 16:57 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-03 17:00 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-01-04 11:21 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <HDTodd@gmail.com> - 2026-01-05 17:52 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <HDTodd@gmail.com> - 2026-01-05 18:13 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-01-06 12:53 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <HDTodd@gmail.com> - 2026-01-06 18:12 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <HDTodd@gmail.com> - 2026-01-06 18:15 -0500
MM vs. MS/MX [was Re: Try again: IP between Pi <--> klh10 TOPS-20] Rich Alderson <news@alderson.users.panix.com> - 2026-01-07 18:28 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-03 17:07 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-01-04 11:28 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-04 13:52 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-03 18:12 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 scott@slp53.sl.home (Scott Lurndal) - 2026-01-04 00:00 +0000
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-04 08:48 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 scott@slp53.sl.home (Scott Lurndal) - 2026-01-04 16:00 +0000
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-04 14:02 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-01-04 11:56 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-04 14:21 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-01-04 16:16 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-04 16:58 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-04 14:28 -0500
Re: Try again: IP between Pi <--> klh10 TOPS-20 scott@slp53.sl.home (Scott Lurndal) - 2026-01-05 15:33 +0000
Re: Try again: IP between Pi <--> klh10 TOPS-20 Andy Valencia <vandys@vsta.org> - 2026-01-05 15:45 -0800
Re: Try again: IP between Pi <--> klh10 TOPS-20 David Todd <hdtodd@gmail.com> - 2026-01-04 08:59 -0500
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