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I realize you’re aiming for the NETCONF paradigm, but for anyone interested, a more consistent, device- and release-independent method is to just query the SNMP uptime variable:
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<pre><ul><font face="UICTFontTextStyleTallBody"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0);">$ <b>snmpget -v 1 -c demopublic 10.1.2.1 system.sysUpTime.0</b> </span></font></ul><ul><font face="UICTFontTextStyleTallBody"><span style="white-space: normal; background-color: rgba(255, 255, 255, 0);">system.sysUpTime.0 = Timeticks: (586731977) 67 days, 21:48:39.77</span></font><font color="#333333"><span style="caret-color: rgb(51, 51, 51); font-size: 1.1em; -webkit-text-size-adjust: auto;">
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<div id="AppleMailSignature" dir="ltr"> -mel beckman</div>
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On Feb 20, 2019, at 11:00 AM, Benoit Claise via NANOG <<a href="mailto:nanog@nanog.org">nanog@nanog.org</a>> wrote:<br>
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<div class="moz-cite-prefix">Erik,<br>
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Just in case you want to go into/learn the data model-driven management, here is a NETCONF/YANG script.<br>
<pre class="MsoNormal"><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US">CiscoRouterUptimeNETCONF) dvulovic@DVULOVIC-D2DW2:~/python-venv/CiscoRouterUptimeNETCONF$ ./CiscoRouterUptimeNETCONF.py testinput</span></pre>
<pre class="MsoNormal"><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US">CiscoRouterUptimeNETCONF by Djordje Vulovic (<a class="moz-txt-link-abbreviated" href="mailto:dvulovic@cisco.com">dvulovic@cisco.com</a>)</span></pre>
<pre class="MsoNormal"><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US">----------------------------------------------------------------</span></pre>
<pre class="MsoNormal"><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US">Router 10.1.2.1 has uptime of 5724548.0 seconds (66 days, 6:09:08)</span></pre>
<pre class="MsoNormal"><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US">Router 10.1.2.2 has uptime of 5724551.0 seconds (66 days, 6:09:11)</span></pre>
<pre class="MsoNormal"><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US">Router 10.1.2.3 has uptime of 5724555.0 seconds (66 days, 6:09:15)</span></pre>
<pre class="MsoNormal"><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US">Router 10.1.2.4 has uptime of 5724557.0 seconds (66 days, 6:09:17)</span></pre>
<pre><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US">Router 10.1.2.5 has uptime of 5724497.0 seconds (66 days, 6:08:17)</span></pre>
<pre><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US"></span></pre>
<pre><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US"></span></pre>
<pre><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US"></span></pre>
<pre><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US"></span></pre>
<pre class="MsoNormal"><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US">
(CiscoRouterUptimeNETCONF) dvulovic@DVULOVIC-D2DW2:~/python-venv/CiscoRouterUptimeNETCONF$ </span><span style="font-family:"Courier New";color:red;mso-fareast-language:EN-US" lang="EN-US">./CiscoRouterUptimeNETCONF.py</span><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US"></span></pre>
<pre class="MsoNormal"><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US">CiscoRouterUptimeNETCONF by Djordje Vulovic (<a class="moz-txt-link-abbreviated" href="mailto:dvulovic@cisco.com">dvulovic@cisco.com</a>)</span></pre>
<pre class="MsoNormal"><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US">----------------------------------------------------------------</span></pre>
<pre class="MsoNormal"><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US">Usage: CiscoRouterUptimeNETCONF <file></span></pre>
<pre class="MsoNormal"><span style="font-family:"Courier New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US">File consists of lines <mgmt ip>,<NETCONF port>,<username>,<password></span></pre>
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The script was tested on a real ASR920, running IOS 16.8.1<br>
See the source code at <a moz-do-not-send="true" href="https://github.com/djordjevulovic/CiscoRouterUptimeNETCONF">
https://github.com/djordjevulovic/CiscoRouterUptimeNETCONF</a><br>
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Thanks to Djordje for developing this script.<br>
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Regards, Benoit<br>
<span style="font-family:"Courier
New";color:windowtext;mso-fareast-language:EN-US" lang="EN-US"></span></div>
<blockquote type="cite" cite="mid:CY4PR17MB1207492A79FFB2EC9C48914CD3940@CY4PR17MB1207.namprd17.prod.outlook.com">
<pre class="moz-quote-pre" wrap="">All,
I just created a quick script to check the uptime of a ASR920 via SNMP if you have a fairly long list of devices. It's a simple bash script and snmpwalk version 2c. Figured I would share it with you. Happy Friday
Grab the code from GitHub: <a class="moz-txt-link-freetext" href="https://github.com/esundberg/CiscoRouterUptime">https://github.com/esundberg/CiscoRouterUptime</a>
It's a quick and dirty script and my first repo on github. Let me know if there any issues with it.
Output Format in CSV
DeviceName, IP, Uptime in Days, OK/Warning
I set my warning to 800 Days, you can change this in the code
ASR920list.txt
-------------
ASR920-1.SEA1, 192.168.28.1, SuperSecretSNMPKey
ASR920-2.SEA1, 192.168.28.2, SuperSecretSNMPKey
~~~~snip you get the idea~~~~
Output
[user@Linux]$ ./CiscoRouterUptime.sh ASR920list.txt
ASR920-1.SEA1, 192.168.28.1, 827, WARNING
ASR920-2.SEA1, 192.168.28.2, 827, WARNING
ASR920-2.ATL1, 192.168.23.2, 828, WARNING
ASR920-1.ATL1, 192.168.23.1, 813, WARNING
ASR920-1.CHI1, 192.168.21.3, 828, WARNING
ASR920-1.NYC1, 192.168.25.1, 787, OK
ASR920-2.CHI1, 192.168.21.4, 720, OK
ASR920-3.CHI1, 192.168.21.5, 720, OK
ASR920-1.DAL1, 192.168.26.3, 488, OK
ASR920-4.CHI1, 192.168.21.6, 142, OK
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