linuxcnc 2.8.2 no nm connection edit

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26 Oct 2021 22:12 #224432 by PCW
Replied by PCW on topic linuxcnc 2.8.2 no nm connection edit
Can you post the result of running this command:

ip a

Thanks!

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02 Nov 2021 10:55 #224973 by luap
Replied by luap on topic linuxcnc 2.8.2 no nm connection edit
Hallo
i thaught i had it attached in an .pdf. I hop now it will work.
Thank you very much fore help me.
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02 Nov 2021 10:58 #224975 by luap
Replied by luap on topic linuxcnc 2.8.2 no nm connection edit
Hello agin it is not attached itry to insert:
uhu@uhu:~$ ip a
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
valid_lft forever preferred_lft forever
2: enp1s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 38:d5:47:16:f9:a3 brd ff:ff:ff:ff:ff:ff
inet 10.10.10.11/8 brd 10.255.255.255 scope global noprefixroute enp1s0
valid_lft forever preferred_lft forever
inet6 fe80::2265:82f9:7b9c:c6d0/64 scope link noprefixroute
valid_lft forever preferred_lft forever
uhu@uhu:~$
i hop you will find the problem thank you very much

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02 Nov 2021 13:17 - 02 Nov 2021 14:23 #224985 by PCW
Replied by PCW on topic linuxcnc 2.8.2 no nm connection edit
I don't think a /8 netmask will work, you should use /24
(netmask 255.255.255.0)
Last edit: 02 Nov 2021 14:23 by PCW.

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02 Nov 2021 14:18 #224990 by tommylight
Replied by tommylight on topic linuxcnc 2.8.2 no nm connection edit
Ip range 10.n.n.n uses /8 netmask normally, can be set to /16 or/24 to isolate intra networks.
But the netmasks are in the following format:
255.0.0.0 = /8
255.255.0.0 = /16
255.255.255.0 = /24
While broadcasts are:
10.255.255.255
10.10.255.255
10.10.10.255

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02 Nov 2021 14:22 #224992 by tommylight
Replied by tommylight on topic linuxcnc 2.8.2 no nm connection edit

After writing the IP address the netmask gets set automatically to 8.
P.S.
Sorry for double posting but editing takes a while.
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02 Nov 2021 14:28 #224993 by PCW
Replied by PCW on topic linuxcnc 2.8.2 no nm connection edit
Fixed the netmask in my reply
but still think /24 netmask is needed
(Need to check the 7I92s netmask logic)

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02 Nov 2021 14:37 #224995 by tommylight
Replied by tommylight on topic linuxcnc 2.8.2 no nm connection edit
If it helps, almost all my machines use 7i92 and all use the /8 netmask, never had a single issue.
Even the big Hurco uses 7i92 and same IP setup.
Oh goodie, found a PDF :
nsrc.org/workshops/2009/summer/presentat.../day3/subnetting.pdf

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02 Nov 2021 14:42 #224996 by PCW
Replied by PCW on topic linuxcnc 2.8.2 no nm connection edit
At some point the 7I92s netmask got changed from fixed
to EEPROM based. I need to check what this is set to.

OP:

Is the situation still the same? That is, what does:

mesaflash --device 7i92 --addr 10.10.10.10 --readhmid

report?
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02 Nov 2021 14:47 - 02 Nov 2021 14:49 #224997 by bevins
Replied by bevins on topic linuxcnc 2.8.2 no nm connection edit
I always use an 8 bit mask now with a 10.0.0.0 network,  but I do remember having issues with one of the mesa cards and when I set it to a 24 bit mask it worked.


/edit subnetting makes my head hurt so I don't do it anymore....lol
Last edit: 02 Nov 2021 14:49 by bevins.
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