<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Maintenance is complete!</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">We experienced a few issues during the migration which caused some outages but I believe all of them are resolved. We learned from those issues and hopefully the next set of subnet moves will have less outage time.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">As a reminder all of these networks now have IPv6 with SLAAC enabled. I'm working on properly setting up the OpenStack subnets this afternoon.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">The remaining subnets will move one week from today during the same time window (10am-12pm PST). I'll reach out directly to impacted projects to confirm they are aware of this outage.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Please let me know if you have any questions!</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Fri, Feb 13, 2026 at 12:35 PM Lance Albertson <<a href="mailto:lance@osuosl.org">lance@osuosl.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><span style="font-family:Arial,Helvetica,sans-serif">Hello,</span></div><br>As part of our ongoing migration to the State Data Center, the Oregon State University Open Source Lab (OSUOSL) will be performing critical network maintenance on Tuesday, February 17.<br><br>Maintenance Window<br><br><b><span class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"></span>Start: Tuesday, Feb 17, 10:00 AM PST<br>End: Tuesday, Feb 17, 12:00 PM PST<br></b><br>This maintenance involves moving the default gateways for specific subnets from<span class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"> the </span>Corvallis router to our new router at the State Data Center (SDC).<br><br>Currently, traffic for many hosts physically residing in the SDC still routes back through our Corvallis datacenter. This creates a single point of failure, as the Corvallis facility is currently experiencing UPS reliability issues. By migrating these gateways to the SDC router, we eliminate this dependency on the Corvallis power infrastructure and significantly improve the stability and redundancy of our network. We are working as quickly as possible to complete these moves to safeguard your hosted services.<br><br><b><span class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"></span><u><span class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"></span>Impact</u></b><br><br>Gateways will be migrated one by one. You should expect a brief period of network unreachability (typically a few minutes) for each subnet as the cutover occurs.<br><br><i><span class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"></span>Please note: This maintenance only covers the subnets listed below. Additional subnets will be moved at a later date which has yet to be scheduled.<br></i><br>Affected Subnets<br><br>The following subnets and their associated IPv4/IPv6 ranges will be migrated during this window:<br><br>General Servers 1: <a href="http://140.211.166.0/25" target="_blank">140.211.166.0/25</a> | 2605:bc80:3010:101::/64<br>General Servers 2: <a href="http://140.211.167.128/25" target="_blank">140.211.167.128/25</a> | 2605:bc80:3010:102::/64<br>General Servers 3: <a href="http://140.211.15.0/24" target="_blank">140.211.15.0/24</a> | 2605:bc80:3010:103::/64<br>General Servers 4: <a href="http://140.211.9.0/24" target="_blank">140.211.9.0/24</a> | 2605:bc80:3010:104::/64<br>OSL OpenStack 1: <a href="http://140.211.167.0/27" target="_blank">140.211.167.0/27</a> | 2605:bc80:3010:501::/64<br>OSL OpenStack 2: <a href="http://140.211.166.224/27" target="_blank">140.211.166.224/27</a> | 2605:bc80:3010:502::/64<br>OSL OpenStack 3: <a href="http://140.211.169.128/26" target="_blank">140.211.169.128/26</a> | 2605:bc80:3010:503::/64<br>OSL OpenStack 4: <a href="http://140.211.167.64/27" target="_blank">140.211.167.64/27</a> | 2605:bc80:3010:504::/64<br>OSL OpenStack 5: <a href="http://140.211.169.0/26" target="_blank">140.211.169.0/26</a> | 2605:bc80:3010:505::/64<br>OSL OpenStack 6: <a href="http://140.211.10.64/26" target="_blank">140.211.10.64/26</a> | 2605:bc80:3010:506::/64<br>OSL OpenStack 7: <a href="http://140.211.11.0/24" target="_blank">140.211.11.0/24</a> | 2605:bc80:3010:507::/64<br>OSL Services: <a href="http://140.211.166.128/28" target="_blank">140.211.166.128/28</a> | 2605:bc80:3010::/64<br>OSL Internal: <a href="http://140.211.166.144/28" target="_blank">140.211.166.144/28</a> | 2605:bc80:3010:1::/64<br>OSL Protected: <a href="http://140.211.167.120/29" target="_blank">140.211.167.120/29</a> | 2605:bc80:3010:2::/64<br><br><b><span class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"></span><u><span class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"></span>IPv6 SLAAC Enabling</u><br></b><br>Along with the router migration, we will be enabling SLAAC (Stateless Address Autoconfiguration) on all of the subnets listed above. Hosts on these networks will automatically be assigned an IPv6 address. Please ensure your local firewall configurations (e.g., ip6tables, nftables) are updated if you wish to manage traffic for these auto-assigned addresses.<br><br>For more information on our migration progress and how you can support our efforts, please see our latest blog post.<br><br>If you have any questions or experience prolonged connectivity issues after the maintenance window, please reach out to us at <a href="mailto:support@osuosl.org" target="_blank">support@osuosl.org</a>.<br><br></div><div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">Thank you!</div></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><font face="arial, helvetica, sans-serif">Lance Albertson</font><div><div><font face="arial, helvetica, sans-serif">Director</font></div><div><span style="font-family:arial,helvetica,sans-serif">Oregon State University | </span><span style="font-family:arial,helvetica,sans-serif">Open Source Lab </span></div></div></div></div></div>
</blockquote></div><div><br clear="all"></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><font face="arial, helvetica, sans-serif">Lance Albertson</font><div><div><font face="arial, helvetica, sans-serif">Director</font></div><div><span style="font-family:arial,helvetica,sans-serif">Oregon State University | </span><span style="font-family:arial,helvetica,sans-serif">Open Source Lab </span></div></div></div></div>