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<p class="MsoNormal">Even with this, there are caveats, and it should be tested on a non-production unit and put into SOP form. Examples of things that can bite you:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">1. Passwords might be obfuscated. If you’re not careful, some configurations can make it so that you can’t log on to the CLI, and would require a password recovery procedure to regain access to the unit. In some super-duper high security
environments, you might not be able to recover the password and would need to RMA the unit. There’s a rancid parameter that I think addresses this, but test for it.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">2. Passwords are not the only things obfuscated. Our ISIS keystrings and SNMP community strings I think are also obfuscated in rancid. I think there’s similarly a rancid parameter that affects this (might be the same one).<o:p></o:p></p>
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<p class="MsoNormal">3. Some parameters are not stored in the running-config. VTP is particularly notorious about this. Even if you have “vtp mode off”, not everything is in the running config. I’m running vtp version 3 / vtp mode off, and a “show run |
include vtp” the “vtp mode off” shows up but “vtp version 3” does not. Versions 1 and 2 had this messed up idea about extended VLANs that made a mess of some of our noisy edge cases, and we needed to set VTPv3 to fix them.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">4. Depending on the particular operating system (ASAOS, IOS, NX-OS, etc) I’ve found different experiences with TFTP. Sometimes I needed to use the full path, sometimes just the relative path from the tftproot folder, sometimes something
else. I’ve never had an issue with SCP (and I’ve not tested FTP).<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">End result: test, test, test, document, retest, update documentation, and test again.<o:p></o:p></p>
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<span style="color:#002060"><img width="66" height="30" style="width:.6875in;height:.3125in" id="Picture_x0020_1" src="cid:image001.jpg@01D7B6E0.0777F2F0" alt="Description: Description: Description: Description: cid:image001.png@01CC278D.7D527650"></span><o:p></o:p></p>
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<b><span style="color:#002060">Weylin Piegorsch </span></b><span style="color:#002060">| </span><span style="font-size:10.0pt;color:#002060"> Manager, Network Engineering</span><o:p></o:p></p>
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<span style="font-size:10.0pt;color:#002060">Boston University Information Services & Technology<br>
<a href="mailto:weylin@bu.edu"><span style="color:#0563C1">w</span><span style="font-size:11.0pt;color:#0563C1">eylin</span><span style="color:#0563C1">@bu.edu</span></a> | 617.353.8128 | <a href="http://www.bu.edu/tech" title="http://www.bu.edu/tech"><span style="color:#954F72">bu.edu/tech</span></a></span><o:p></o:p></p>
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<b><span style="font-size:10.0pt;color:#002060">Listen. Learn. Lead.</span></b><o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">Craig Hopkins <c.o.hopkins@gmail.com><br>
<b>Date: </b>Friday, October 1, 2021 at 6:07 AM<br>
<b>To: </b>heasley <heas@shrubbery.net><br>
<b>Cc: </b>simon ben <guy20034u@yahoo.com>, "rancid-discuss@shrubbery.net" <rancid-discuss@shrubbery.net><br>
<b>Subject: </b>Re: [rancid] Restore config on cisco devices<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in">Pasting into a Cisco comes with risks, as it won't negate any default configuration that is already there. The safest approach is to give the switch a temporary IP address, and then TFTP / FTP the file into the
startup-config position and reboot. <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">On Thu, 30 Sept 2021 at 21:07, heasley <<a href="mailto:heas@shrubbery.net">heas@shrubbery.net</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Thu, Sep 30, 2021 at 05:53:51AM +0000, simon ben:<br>
> just wanted to know regarding the alternate way mentioned by you after doing a minimum config for the cisco switch or router for network connectivity as guess it would be a better option<br>
> Is it possible to restore the config from viewvc screen from the browser as I dont see any option neither no option to down and save it as a file on my local desktop pc<br>
<br>
No, viewvc is only a CVS repository viewer.<br>
<br>
> appreciate your advice and help if the restore could be done from viewvc screen or if any tool is available with viewvc to achieve this<br>
<br>
Each device family may require its own procedure to restore a config, possibly<br>
manual cut/paste. One could automate it with expect talking to the console,<br>
but I have not done this.<br>
<br>
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