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<p>I know my previous email was quite long, so I thought I'd just
summarize the main points here.</p>
<ul>
<li>New switch was installed, is faster and newer and lets us use
10 Gb/s fibre</li>
<li>We now have a 10 Gb/s link from the machine room servers to
the rest of our network<br>
</li>
<li>Everything else should be working the same, if it isn't
contact me or [FVP]</li>
<li>Cisco switches are heavy and difficult to lift</li>
<li>Lifting them directly up into place, instead of moving them up
and sideways to the rack from outside it, is much easier</li>
</ul>
<p>Cheers,</p>
<p>James [MPT]<br>
</p>
<div class="moz-cite-prefix">On 13/7/19 12:29 pm, James Arcus wrote:<br>
</div>
<blockquote type="cite"
cite="mid:63e3d67a-c269-b249-274a-2c6866df2c2b@ucc.asn.au">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<p>Hi All,</p>
<p>I'm pleased to say that the Cisco switch chassis/supervisor
upgrade on Friday was successful. We are now running a Cisco
Catalyst 4506-E with supervisor 6-E and the latest firmware in
place of the previous 4507R with supervisor IV. The new switch
is named Kerosene and increases throughput per line card from 6
Gb/s to 24 Gb/s with the option of 48 Gb/s with the same chassis
in the future. It also adds 10G capability and the ability to
run the latest software version.<br>
</p>
<p>Kerosene is set up nearly identical to Bitumen save for a few
things:</p>
<ul>
<li>A different management IP that is in DNS</li>
<li>The 2xGbE LACP link from Bitumen to Walnut has been replaced
with 10G SR fibre</li>
<li>The connections to Bitumen's 2 24-port line cards have been
moved onto a 48-port line card</li>
<li>Updated rommon firmware and Cisco iOS</li>
</ul>
<p>The ports have been minimally rearranged to fit the new line
cards. Essentially, both switches physically consist of 4 rows
of 24 ports, and the row/column position of each connection has
been maintained. This is also the tagging system that was used
when labelling the ends of the patch leads during the move. As
the 48-port line card numbers ports in top/bottom pairs first
(i.e. port 2 is the first port on the bottom row, not the second
port on the top row), the interfaces in the switch configuration
had to be renumbered appropriately.</p>
<p>The configs of both Walnut and Kerosene were also altered to
use the same settings for the 10G link as were previously
applied to the copper pair. (Failing to remember to change
Walnut as well was the source of the initial failure for the
network to come back up.)</p>
<p>Just a final note on the physical removal/installation of the
switches: they are very heavy, definitely at least a two-person
job. For future reference, we found that moving the patch panel
underneath the switch out of the way allowed lifting it directly
up into position while mounting, which was much easier.</p>
<p>Thanks to [FVP] and [DAS] for their effort and help.</p>
<p>If anyone has further questions about the process, don't
hesitate to reply.<br>
</p>
<p>Cheers,</p>
<p>James Arcus [MPT]<br>
</p>
<br>
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