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<p><font face="Arial">@Paul - found my post from 2019 - looks like I
posted the Cisco Ping exchange to c.o.vms and made some folks
grumpy:
<a class="moz-txt-link-freetext" href="https://groups.google.com/g/comp.os.vms/c/8Yu7SNCu0es/m/dxS93LQDBgAJ">https://groups.google.com/g/comp.os.vms/c/8Yu7SNCu0es/m/dxS93LQDBgAJ</a></font></p>
<p><font face="Arial">Here's the paste of that post:</font></p>
<p><br>
</p>
<section class="BkrUxb" tabindex="0" role="listitem"
data-doc-id="wKCcDBHCBQAJ" data-subject="Re: Cisco IOS "ping
decnet" vs. NCP (loop?) on OpenVMS/VAX 7.3 DECnet-IV"
data-is-first="false" data-author="Supratim Sanyal"
aria-expanded="true" style="-webkit-tap-highlight-color:
transparent; border-bottom: 1px solid rgb(232, 234, 237);
padding-top: 8px; padding-left: 0px; border-left: 2px solid
rgb(77, 144, 240); color: rgba(0, 0, 0, 0.87); font-family:
Roboto, RobotoDraft, Helvetica, Arial, sans-serif; font-size:
14px; font-style: normal; font-variant-ligatures: normal;
font-variant-caps: normal; font-weight: 400; letter-spacing:
normal; orphans: 2; text-align: start; text-indent: 0px;
text-transform: none; white-space: normal; widows: 2;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
text-decoration-thickness: initial; text-decoration-style:
initial; text-decoration-color: initial;">
<div class="eH2Xlc" tabindex="-1"
style="-webkit-tap-highlight-color: transparent; outline: none;">
<div class="oXnYGc" style="-webkit-tap-highlight-color:
transparent; display: flex;">
<div class="X7AGAf" style="-webkit-tap-highlight-color:
transparent; flex-grow: 1; min-width: 0px;">
<div class="ptW7te" role="region" aria-labelledby="c1171"
style="-webkit-tap-highlight-color: transparent; margin:
12px 0px; overflow: auto;">It appears Cisco is sending out
a "DNA NSP message: Link service message<br
style="-webkit-tap-highlight-color: transparent;">
(0x10)" to which the remote node is responding with "DNA
NSP message:<br style="-webkit-tap-highlight-color:
transparent;">
Disconnect confirm (0x48)" with "Reason for disconnect:
Unknown<br style="-webkit-tap-highlight-color:
transparent;">
(0x0029)", constituting one successful "Ping".<br
style="-webkit-tap-highlight-color: transparent;">
<br style="-webkit-tap-highlight-color: transparent;">
Can this exchange be done using the NCP command line on
OpenVMS?<br style="-webkit-tap-highlight-color:
transparent;">
<br style="-webkit-tap-highlight-color: transparent;">
Ping source (Cisco Router) : 1.579 / AA-00-04-00-43-06<br
style="-webkit-tap-highlight-color: transparent;">
Ping target (OpenVMS/VAX 7.3): 29.100 / AA-00-04-00-64-74<br
style="-webkit-tap-highlight-color: transparent;">
<br style="-webkit-tap-highlight-color: transparent;">
----------------<br style="-webkit-tap-highlight-color:
transparent;">
Outgoing packet:<br style="-webkit-tap-highlight-color:
transparent;">
----------------<br style="-webkit-tap-highlight-color:
transparent;">
Frame 3: 116 bytes on wire (928 bits), 116 bytes captured
(928 bits) on<br style="-webkit-tap-highlight-color:
transparent;">
interface 0<br style="-webkit-tap-highlight-color:
transparent;">
Interface id: 0 (vde-decnet-tap1)<br
style="-webkit-tap-highlight-color: transparent;">
Interface name: vde-decnet-tap1<br
style="-webkit-tap-highlight-color: transparent;">
Encapsulation type: Ethernet (1)<br
style="-webkit-tap-highlight-color: transparent;">
Arrival Time: Feb 21, 2019 17:39:27.947909852 UTC<br
style="-webkit-tap-highlight-color: transparent;">
[Time shift for this packet: 0.000000000 seconds]<br
style="-webkit-tap-highlight-color: transparent;">
Epoch Time: 1550770767.947909852 seconds<br
style="-webkit-tap-highlight-color: transparent;">
[Time delta from previous captured frame: 0.626152916
seconds]<br style="-webkit-tap-highlight-color:
transparent;">
[Time delta from previous displayed frame: 0.626152916
seconds]<br style="-webkit-tap-highlight-color:
transparent;">
[Time since reference or first frame: 1.943204371 seconds]<br
style="-webkit-tap-highlight-color: transparent;">
Frame Number: 3<br style="-webkit-tap-highlight-color:
transparent;">
Frame Length: 116 bytes (928 bits)<br
style="-webkit-tap-highlight-color: transparent;">
Capture Length: 116 bytes (928 bits)<br
style="-webkit-tap-highlight-color: transparent;">
[Frame is marked: False]<br
style="-webkit-tap-highlight-color: transparent;">
[Frame is ignored: False]<br
style="-webkit-tap-highlight-color: transparent;">
[Protocols in frame: eth:ethertype:dec_dna]<br
style="-webkit-tap-highlight-color: transparent;">
Ethernet II, Src: DecLocal_00:43:06 (aa:00:04:00:43:06),
Dst:<br style="-webkit-tap-highlight-color: transparent;">
DecLocal_00:2f:06 (aa:00:04:00:2f:06)<br
style="-webkit-tap-highlight-color: transparent;">
Destination: DecLocal_00:2f:06 (aa:00:04:00:2f:06)<br
style="-webkit-tap-highlight-color: transparent;">
Address: DecLocal_00:2f:06 (aa:00:04:00:2f:06)<br
style="-webkit-tap-highlight-color: transparent;">
.... ..1. .... .... .... .... = LG bit: Locally
administered<br style="-webkit-tap-highlight-color:
transparent;">
address (this is NOT the factory default)<br
style="-webkit-tap-highlight-color: transparent;">
.... ...0 .... .... .... .... = IG bit: Individual address<br
style="-webkit-tap-highlight-color: transparent;">
(unicast)<br style="-webkit-tap-highlight-color:
transparent;">
Source: DecLocal_00:43:06 (aa:00:04:00:43:06)<br
style="-webkit-tap-highlight-color: transparent;">
Address: DecLocal_00:43:06 (aa:00:04:00:43:06)<br
style="-webkit-tap-highlight-color: transparent;">
.... ..1. .... .... .... .... = LG bit: Locally
administered<br style="-webkit-tap-highlight-color:
transparent;">
address (this is NOT the factory default)<br
style="-webkit-tap-highlight-color: transparent;">
.... ...0 .... .... .... .... = IG bit: Individual address<br
style="-webkit-tap-highlight-color: transparent;">
(unicast)<br style="-webkit-tap-highlight-color:
transparent;">
Type: DEC DNA Routing (0x6003)<br
style="-webkit-tap-highlight-color: transparent;">
DEC DNA Routing Protocol<br
style="-webkit-tap-highlight-color: transparent;">
Routing flags: 0x0e<br style="-webkit-tap-highlight-color:
transparent;">
.... .11. = Long data packet format: 0x3<br
style="-webkit-tap-highlight-color: transparent;">
.... 1... = Return to Sender Request: Yes<br
style="-webkit-tap-highlight-color: transparent;">
...0 .... = Packet on return trip: No<br
style="-webkit-tap-highlight-color: transparent;">
..0. .... = Intra-ethernet packet: No<br
style="-webkit-tap-highlight-color: transparent;">
.0.. .... = Discarded packet: No<br
style="-webkit-tap-highlight-color: transparent;">
Destination Address: DecLocal_00:64:74 (aa:00:04:00:64:74)
(29.100)<br style="-webkit-tap-highlight-color:
transparent;">
Source Address: DecLocal_00:43:06 (aa:00:04:00:43:06)
(1.579)<br style="-webkit-tap-highlight-color:
transparent;">
Next level 2 router: 0x00<br
style="-webkit-tap-highlight-color: transparent;">
Visit count: 0x01<br style="-webkit-tap-highlight-color:
transparent;">
Service class: 0x00<br style="-webkit-tap-highlight-color:
transparent;">
Protocol type: 0x00<br style="-webkit-tap-highlight-color:
transparent;">
DNA NSP message: Link service message (0x10)<br
style="-webkit-tap-highlight-color: transparent;">
Destination node: 0x7464<br
style="-webkit-tap-highlight-color: transparent;">
Source node: 0x0643<br style="-webkit-tap-highlight-color:
transparent;">
.... 0000 0000 0000 = Message number: 0<br
style="-webkit-tap-highlight-color: transparent;">
...0 .... .... .... = Delayed ACK allowed: No<br
style="-webkit-tap-highlight-color: transparent;">
<br style="-webkit-tap-highlight-color: transparent;">
<br style="-webkit-tap-highlight-color: transparent;">
---------------<br style="-webkit-tap-highlight-color:
transparent;">
Incoming packet<br style="-webkit-tap-highlight-color:
transparent;">
---------------<br style="-webkit-tap-highlight-color:
transparent;">
Frame 4: 60 bytes on wire (480 bits), 60 bytes captured
(480 bits) on<br style="-webkit-tap-highlight-color:
transparent;">
interface 0<br style="-webkit-tap-highlight-color:
transparent;">
Interface id: 0 (vde-decnet-tap1)<br
style="-webkit-tap-highlight-color: transparent;">
Interface name: vde-decnet-tap1<br
style="-webkit-tap-highlight-color: transparent;">
Encapsulation type: Ethernet (1)<br
style="-webkit-tap-highlight-color: transparent;">
Arrival Time: Feb 21, 2019 17:39:28.069274170 UTC<br
style="-webkit-tap-highlight-color: transparent;">
[Time shift for this packet: 0.000000000 seconds]<br
style="-webkit-tap-highlight-color: transparent;">
Epoch Time: 1550770768.069274170 seconds<br
style="-webkit-tap-highlight-color: transparent;">
[Time delta from previous captured frame: 0.121364318
seconds]<br style="-webkit-tap-highlight-color:
transparent;">
[Time delta from previous displayed frame: 0.121364318
seconds]<br style="-webkit-tap-highlight-color:
transparent;">
[Time since reference or first frame: 2.064568689 seconds]<br
style="-webkit-tap-highlight-color: transparent;">
Frame Number: 4<br style="-webkit-tap-highlight-color:
transparent;">
Frame Length: 60 bytes (480 bits)<br
style="-webkit-tap-highlight-color: transparent;">
Capture Length: 60 bytes (480 bits)<br
style="-webkit-tap-highlight-color: transparent;">
[Frame is marked: False]<br
style="-webkit-tap-highlight-color: transparent;">
[Frame is ignored: False]<br
style="-webkit-tap-highlight-color: transparent;">
[Protocols in frame: eth:ethertype:dec_dna]<br
style="-webkit-tap-highlight-color: transparent;">
Ethernet II, Src: DecLocal_00:2f:06 (aa:00:04:00:2f:06),
Dst:<br style="-webkit-tap-highlight-color: transparent;">
DecLocal_00:43:06 (aa:00:04:00:43:06)<br
style="-webkit-tap-highlight-color: transparent;">
Destination: DecLocal_00:43:06 (aa:00:04:00:43:06)<br
style="-webkit-tap-highlight-color: transparent;">
Address: DecLocal_00:43:06 (aa:00:04:00:43:06)<br
style="-webkit-tap-highlight-color: transparent;">
.... ..1. .... .... .... .... = LG bit: Locally
administered<br style="-webkit-tap-highlight-color:
transparent;">
address (this is NOT the factory default)<br
style="-webkit-tap-highlight-color: transparent;">
.... ...0 .... .... .... .... = IG bit: Individual address<br
style="-webkit-tap-highlight-color: transparent;">
(unicast)<br style="-webkit-tap-highlight-color:
transparent;">
Source: DecLocal_00:2f:06 (aa:00:04:00:2f:06)<br
style="-webkit-tap-highlight-color: transparent;">
Address: DecLocal_00:2f:06 (aa:00:04:00:2f:06)<br
style="-webkit-tap-highlight-color: transparent;">
.... ..1. .... .... .... .... = LG bit: Locally
administered<br style="-webkit-tap-highlight-color:
transparent;">
address (this is NOT the factory default)<br
style="-webkit-tap-highlight-color: transparent;">
.... ...0 .... .... .... .... = IG bit: Individual address<br
style="-webkit-tap-highlight-color: transparent;">
(unicast)<br style="-webkit-tap-highlight-color:
transparent;">
Type: DEC DNA Routing (0x6003)<br
style="-webkit-tap-highlight-color: transparent;">
DEC DNA Routing Protocol<br
style="-webkit-tap-highlight-color: transparent;">
Routing flags: 0x06<br style="-webkit-tap-highlight-color:
transparent;">
.... .11. = Long data packet format: 0x3<br
style="-webkit-tap-highlight-color: transparent;">
.... 0... = Return to Sender Request: No<br
style="-webkit-tap-highlight-color: transparent;">
...0 .... = Packet on return trip: No<br
style="-webkit-tap-highlight-color: transparent;">
..0. .... = Intra-ethernet packet: No<br
style="-webkit-tap-highlight-color: transparent;">
.0.. .... = Discarded packet: No<br
style="-webkit-tap-highlight-color: transparent;">
Destination Address: DecLocal_00:43:06 (aa:00:04:00:43:06)
(1.579)<br style="-webkit-tap-highlight-color:
transparent;">
Source Address: DecLocal_00:64:74 (aa:00:04:00:64:74)
(29.100)<br style="-webkit-tap-highlight-color:
transparent;">
Next level 2 router: 0x00<br
style="-webkit-tap-highlight-color: transparent;">
Visit count: 0x01<br style="-webkit-tap-highlight-color:
transparent;">
Service class: 0x00<br style="-webkit-tap-highlight-color:
transparent;">
Protocol type: 0x00<br style="-webkit-tap-highlight-color:
transparent;">
DNA NSP message: Disconnect confirm (0x48)<br
style="-webkit-tap-highlight-color: transparent;">
Destination node: 0x0643<br
style="-webkit-tap-highlight-color: transparent;">
Source node: 0x7464<br style="-webkit-tap-highlight-color:
transparent;">
Reason for disconnect: Unknown (0x0029)<br
style="-webkit-tap-highlight-color: transparent;">
</div>
</div>
</div>
</div>
</section>
<section class="BkrUxb" tabindex="0" role="listitem"
data-doc-id="epIpoC7GBQAJ" data-subject="Re: Cisco IOS "ping
decnet" vs. NCP (loop?) on OpenVMS/VAX 7.3 DECnet-IV"
data-is-first="false" data-author="Stephen Hoffman"
aria-expanded="true" style="-webkit-tap-highlight-color:
transparent; border-bottom: 1px solid rgb(232, 234, 237);
padding-top: 8px; padding-left: 2px; color: rgba(0, 0, 0, 0.87);
font-family: Roboto, RobotoDraft, Helvetica, Arial, sans-serif;
font-size: 14px; font-style: normal; font-variant-ligatures:
normal; font-variant-caps: normal; font-weight: 400;
letter-spacing: normal; orphans: 2; text-align: start;
text-indent: 0px; text-transform: none; white-space: normal;
widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;
text-decoration-thickness: initial; text-decoration-style:
initial; text-decoration-color: initial;">
<div class="eH2Xlc" tabindex="-1"
style="-webkit-tap-highlight-color: transparent; outline: none;">
<div class="oXnYGc" style="-webkit-tap-highlight-color:
transparent; display: flex;">
<div class=" Dyb9Ge" aria-hidden="true"
style="-webkit-tap-highlight-color: transparent; padding:
16px;">
<div class="tGPUJe" style="-webkit-tap-highlight-color:
transparent; position: relative;"><br
class="Apple-interchange-newline">
<br>
</div>
</div>
</div>
</div>
</section>
<div class="moz-cite-prefix">On 11/5/21 1:12 PM, Paul Koning wrote:<br>
</div>
<blockquote type="cite"
cite="mid:6C9AE091-C131-4FC0-A97B-E2C582A8E4BA@comcast.net">
<pre class="moz-quote-pre" wrap="">
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">On Nov 5, 2021, at 1:08 PM, Supratim Sanyal <a class="moz-txt-link-rfc2396E" href="mailto:supratim@riseup.net"><supratim@riseup.net></a> wrote:
On 11/5/21 1:04 PM, Johnny Billquist wrote:
</pre>
<blockquote type="cite">
<pre class="moz-quote-pre" wrap="">Probably the problem that Cisco equipment don't talk NICE. :-)
</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">But they do respond to the peculiar Cisco "PING DECNET x.y" exchange, I owe Paul a wireshark of that exchange, will get on it!
</pre>
</blockquote>
<pre class="moz-quote-pre" wrap="">
I hadn't thought of including that in the mapper, but you're right, that is a possible enhancement.
paul
</pre>
</blockquote>
<div class="moz-signature">-- <br>
<img src="cid:part1.L5rHHk4K.CcwOMD1s@riseup.net" border="0"></div>
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