[06:46:09] 10Traffic, 10SRE, 10Patch-For-Review: Investigate IPVS IPIP encapsulation support - https://phabricator.wikimedia.org/T348837 (10ayounsi) The issue is that MSS and MTU are tightly coupled. If we increase the MTU on the realservers to allow for the encapsulation overhead (eg. to 9000), the realservers will ad... [09:17:18] XioNoX, volans is it expected that netbox doesn't track IPv6 addresses for vlan devices in lvs@eqiad? https://netbox.wikimedia.org/dcim/interfaces/29177/ as an example [09:18:05] vgutierrez: yeah they use SLAAC IPs [09:18:19] and we don't record them as they're dynamic-ish [09:18:27] ack [09:31:56] 10netops, 10Data-Engineering, 10Infrastructure-Foundations, 10SRE, and 2 others: Netflow/pmacct: use forwardingStatus - https://phabricator.wikimedia.org/T331707 (10CodeReviewBot) joal opened https://gitlab.wikimedia.org/repos/data-engineering/airflow-dags/-/merge_requests/519 Update analytics druid netfl... [10:16:00] 10netops, 10Cloud-VPS, 10Infrastructure-Foundations, 10SRE, and 2 others: Change cloud-instance-transport vlan subnets from /30 to /29 - https://phabricator.wikimedia.org/T348140 (10cmooney) [12:59:10] 10netops, 10Cloud-VPS, 10Infrastructure-Foundations, 10SRE, and 2 others: Change cloud-instance-transport vlan subnets from /30 to /29 - https://phabricator.wikimedia.org/T348140 (10cmooney) Stab in the dark guessing what commands are needed in codfw, based on man page and some guides (including info Artur... [13:36:40] 10netops, 10Data-Engineering, 10Infrastructure-Foundations, 10SRE, and 2 others: Netflow/pmacct: use forwardingStatus - https://phabricator.wikimedia.org/T331707 (10CodeReviewBot) tchin merged https://gitlab.wikimedia.org/repos/data-engineering/airflow-dags/-/merge_requests/519 Update analytics druid netf... [14:43:27] 10netops, 10Cloud-VPS, 10Infrastructure-Foundations, 10SRE, and 2 others: Change cloud-instance-transport vlan subnets from /30 to /29 - https://phabricator.wikimedia.org/T348140 (10cmooney) Ok we seem to have muddled through, for the record commands needed as follows: ` wmcs-openstack port unset 1290224c-... [14:50:45] 10Traffic, 10DNS, 10SRE: Update DNS records for Greenhouse - https://phabricator.wikimedia.org/T348335 (10ssingh) a:03ssingh [14:58:29] 10netops, 10Cloud-VPS, 10Infrastructure-Foundations, 10SRE, and 2 others: Change cloud-instance-transport vlan subnets from /30 to /29 - https://phabricator.wikimedia.org/T348140 (10dcaro) Note that we have to merge and deploy this first: https://gerrit.wikimedia.org/r/c/operations/puppet/+/965708 [15:03:31] 10Traffic, 10SRE, 10Patch-For-Review: Investigate IPVS IPIP encapsulation support - https://phabricator.wikimedia.org/T348837 (10jhathaway) @ayounsi thanks for detailed replied and the linked blog posts. Given that additional data, I am substantially less concerned about using MSS clamping. [15:56:30] 10netops, 10Infrastructure-Foundations, 10SRE: Improve network BGP group definition and automation templates - https://phabricator.wikimedia.org/T349116 (10cmooney) p:05Triage→03Low [15:58:21] 10netops, 10Infrastructure-Foundations, 10SRE: Improve network BGP group definition and automation templates - https://phabricator.wikimedia.org/T349116 (10cmooney) [15:58:55] 10netops, 10Infrastructure-Foundations, 10SRE: Improve Homer BGP group definition and automation templates - https://phabricator.wikimedia.org/T349116 (10cmooney) [16:09:00] 10Traffic, 10DNS, 10SRE: Update DNS records for Greenhouse - https://phabricator.wikimedia.org/T348335 (10ssingh) Based on the discussion with @Lhiraide, @NMariano-WMF and Greenhouse, we will be using the `gh-mail.wikimedia.org` domain instead, so the DNS records for that will be updated. [16:23:45] 10Traffic, 10DNS, 10SRE: Update DNS records for Greenhouse - https://phabricator.wikimedia.org/T348335 (10ssingh) [16:24:05] 10Traffic, 10DNS, 10SRE: Update DNS records for Greenhouse - https://phabricator.wikimedia.org/T348335 (10ssingh) [17:12:29] 10netops, 10Infrastructure-Foundations, 10SRE: Tighter control on exported BGP routes from MRs - https://phabricator.wikimedia.org/T348739 (10cmooney) 05Open→03Resolved [17:46:15] 10netops, 10Infrastructure-Foundations, 10SRE: Automate L3 Switch to Core Router BGP peerings (and remove OSPF on drmrs switches) - https://phabricator.wikimedia.org/T349125 (10cmooney) p:05Triage→03Medium [17:46:24] 10netops, 10Infrastructure-Foundations, 10SRE: Automate L3 Switch to Core Router BGP peerings (and remove OSPF on drmrs switches) - https://phabricator.wikimedia.org/T349125 (10cmooney) [17:46:32] 10netops, 10Infrastructure-Foundations, 10SRE, 10Patch-For-Review: Consolidate Automation Templates for DC Switches - https://phabricator.wikimedia.org/T312635 (10cmooney) [17:54:17] 10Traffic, 10DNS, 10SRE, 10Patch-For-Review: Update DNS records for Greenhouse - https://phabricator.wikimedia.org/T348335 (10ssingh)