- Allow prefix in our ACLs (prefix-list wikimedia4) - 198.35.26.0/23 already present (and used as orlonger)
- Create ARINs IRR DB objects (route & inetnum object for 198.35.26.0/24 and 198.35.27.0/24)
- Create RPKI ROAs for 198.35.26.0/24 and 198.35.27.0/24
- Confirm records are correct with http://irrexplorer.nlnog.net/search/AS14907 and Routinator
- Wait at least 24h for providers to pickup new records
- Depool ulsfo - https://gerrit.wikimedia.org/r/597738
- Shrink ulsfo's 198.35.26.0/23 to 198.35.26.0/24 (aggregate, bgp-out, pop4) - https://gerrit.wikimedia.org/r/597486
- Verify prefix is propagated properly (looking glass)
- Repool ulsfo - https://gerrit.wikimedia.org/r/597742
- Delete ulsfo's 198.35.26.0/23 from ARIN IRR
- Delete ulsfo's 198.35.26.0/23 RPKI ROA
- Confirm records are correct with http://irrexplorer.nlnog.net/search/AS14907
- Configure conditional aggregate advertising to peers of 198.35.27.0/24 ("only if one local contributing route" + bgp-out) - https://gerrit.wikimedia.org/r/597603
- Configure routers/authdns BGP sessions (can be done out of order)
- Accept 198.35.27.0/24 IPs from anycast peers (can be done out of order) - https://gerrit.wikimedia.org/r/597507
- Add 198.35.27.27 to border-in4 term authdns (can be done out of order) - https://gerrit.wikimedia.org/r/597598
- Verify prefix is propagated properly (looking glass)
- Test that it's not being advertised if no local contributing route exist
Description
Description
Details
Details
Customize query in gerrit
| Status | Subtype | Assigned | Task | ||
|---|---|---|---|---|---|
| Stalled | None | T81605 Offer AuthDNS service over IPv6 | |||
| Open | None | T98006 Anycast AuthDNS | |||
| Resolved | ayounsi | T253196 Advertise 198.35.27.0/24 as anycast prefix |
Event Timeline
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-20T09:28:07Z] <XioNoX> create ARIN inetnum 198.35.27.0/24 and route 198.35.26.0/24 + 198.35.27.0/24 - T253196
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-20T09:36:45Z] <XioNoX> create ROAs for 198.35.26.0/24 and 198.35.27.0/24 - T253196
Comment Actions
Change 597486 had a related patch set uploaded (by Ayounsi; owner: Ayounsi):
[operations/homer/public@master] ulsfo: shrink 198.35.26.0/23 to 198.35.26.0/24
Comment Actions
Change 597507 had a related patch set uploaded (by Ayounsi; owner: Ayounsi):
[operations/homer/public@master] Accept 198.35.27.0/24 from anycast peers
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-20T17:57:17Z] <XioNoX> accept 198.35.27.0/24 from Anycast peers on cr3-ulsfo - T253196
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-20T18:01:22Z] <XioNoX> add BGP between authdns2001 and cr1-codfw - T253196
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-20T18:10:52Z] <XioNoX> accept 198.35.27.0/24 from Anycast peers on all routers - T253196
Comment Actions
Change 597507 merged by jenkins-bot:
[operations/homer/public@master] Accept 198.35.27.0/24 from anycast peers
Comment Actions
Change 597598 had a related patch set uploaded (by Ayounsi; owner: Ayounsi):
[operations/homer/public@master] Add 198.35.27.27 to border-in4 term authdns
Comment Actions
Change 597603 had a related patch set uploaded (by Ayounsi; owner: Ayounsi):
[operations/homer/public@master] Advertise anycast 198.35.27.0/24 to the world
Comment Actions
Change 597738 had a related patch set uploaded (by Ayounsi; owner: Ayounsi):
[operations/dns@master] Depool ulsfo
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-21T07:29:12Z] <XioNoX> depool ulsfo - T253196
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-21T08:03:46Z] <XioNoX> Shrink ulsfo's 198.35.26.0/23 to 198.35.26.0/24 - T253196
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-21T08:10:43Z] <XioNoX> repool ulsfo - T253196
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-21T08:13:37Z] <XioNoX> Delete ROA for 198.35.26.0/23 - T253196
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-21T08:20:09Z] <XioNoX> Delete ARIN route object for 198.35.26.0/23 - T253196
Comment Actions
Change 597486 merged by jenkins-bot:
[operations/homer/public@master] ulsfo: shrink 198.35.26.0/23 to 198.35.26.0/24
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-21T08:27:02Z] <XioNoX> Advertise Anycast 198.35.27.0/24 from ulsfo - T253196
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-21T08:34:42Z] <XioNoX> Advertise Anycast 198.35.27.0/24 from dfw - T253196
Comment Actions
Change 597598 merged by jenkins-bot:
[operations/homer/public@master] Add 198.35.27.27 to border-in4 term authdns
Comment Actions
Change 597603 merged by jenkins-bot:
[operations/homer/public@master] Advertise anycast 198.35.27.0/24 to the world
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-21T08:47:30Z] <XioNoX> Advertise Anycast 198.35.27.0/24 from eqiad/eqord - T253196
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-21T08:52:21Z] <XioNoX> Advertise Anycast 198.35.27.0/24 from eqsin - T253196
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-21T08:55:22Z] <XioNoX> Advertise Anycast 198.35.27.0/24 from esams - T253196
Comment Actions
Mentioned in SAL (#wikimedia-operations) [2020-05-21T15:22:26Z] <XioNoX> Add BGP between cr1/2-eqiad and authdns1001 - T253196
Comment Actions
Confirmed that if dns4001 and dns4002 are down, ulsfo will stop advertising 198.35.27.0/24 to the world but still had routes to 198.35.27.27/32 via codfw.