Ondřej Caletka @Oskar456@mastodon.social
- Personal website
- https://ondřej.caletka.cz
Technical expert at RIPE NCC Learning and Development. Interested in open source software, the Internet and public transportation.
Joined Mar 2019
8th June 2011: World #IPv6 Day
8th June 2021: National My Broadband Provider is Crap Day @CrapBroadband@twitter.com
😆
Kdo stále čeká na český podcast o #IPv6: je to sice jen jedna epizoda ročně, ale za to živě a několik hodin. Máte poslední možnost registrace, chcete-li se zúčastnit natáčení. 🙂
https://www.cesnet.cz/akce/nejenipv6/
When tracerouting towards Amazon, I get responses from #IPv6 ranges that are not visible on the public Internet. 😳
RT @ripencc@twitter.com
What are the challenges when deploying an IPv6-only network? Jordi Palet (@jordipalet@twitter.com) and Richard Patterson, Sky UK, will talk about their experiences with 464XLAT and MAP in this Open House session. Interested? Register at:
https://www.ripe.net/participate/meetings/open-house/ripe-ncc-open-house-ipv6-only-networks
#IPv6 #ripencc
On 4 May 2021, there will be @ripencc@twitter.com Open House covering #IPv6-only networks with @jordipalet@twitter.com and Richard Patterson. Register here: https://www.ripe.net/participate/meetings/open-house/ripe-ncc-open-house-ipv6-only-networks
Bývaly doby, kdy e-mail od @seznam_cz@twitter.com bez problému doručoval i příjímal zprávy bez nutnosti IPv4. Doručování funguje stále, ovšem při příjmu je #IPv6-only adresa odesílatele odmítnuta.
cc @vpecinka@twitter.com
RT @richardhicks@twitter.com
RemoteAccess service fails to start on a #Windows RRAS server. TL;DR, don't disable #IPV6! Details here. #Microsoft #Windows10 #Win10 #mobility #VPN #aovpn http://rmhci.co/3sgsdF2
🐦🔗: https://twitter.com/richardhicks/status/1369997809957490693
Jak správně přeadresovat síť s #IPv6:
1) Pokud nemusíte, nedělejte to.
2) Původně doporučované časové údaje SLAAC 7/30 dnů nedávají smysl, zkraťte je na 45/90 minut.
3) Pohlídejte si, že váš OS nebude ignorovat adresu s životností kratší než 2 hodiny: https://github.com/torvalds/linux/commit/b75326c201242de9495ff98e5d5cff41d7fc0d9d
RT @rfc@twitter.com
RFC 8978: Reaction of IPv6 Stateless Address Autoconfiguration (SLAAC) to Flash-Renumbering Events https://www.rfc-editor.org/info/rfc8978
RT @MiyuruSankalpa@twitter.com
Update: this method works now.
Use any Cloudfront #IPv6 address for https://twitter.com & https://api.twitter.com https://twitter.com/MiyuruSankalpa/status/1302838852965429248
🐦🔗: https://twitter.com/MiyuruSankalpa/status/1369491267718156298
Konečně někdo sepsal požadavky na klíčové vlastnosti DHCPv6 relay agentů, které jsou nezbytné pro zavádění #IPv6 v broadbandu. Spoluautora Martina Huňka můžete znát z #IPv6Day, gratuluji k publikaci! 👍
RT @rfc@twitter.com
RFC 8987: DHCPv6 Prefix Delegating Relay Requirements https://www.rfc-editor.org/info/rfc8987
RT @ripelabs@twitter.com
The @torproject@twitter.com received support from the @ripencc@twitter.com Community Projects Fund 2019 to implement #IPv6 support across the network.
Read their story on #RIPELabs: https://labs.ripe.net/Members/tor_grants/a-look-into-the-tor-network-work-on-supporting-ipv6 https://twitter.com/torproject/status/1350146995063717888
RT @ipv6excuses@twitter.com
#IPv6 "blocks" @disneyplus@twitter.com
https://help.disneyplus.com/csp?id=csp_article_content&sys_kb_id=c91af021dbe46850b03cc58a139619ed
🐦🔗: https://twitter.com/ipv6excuses/status/1345806936214794243
RT @zajdee@twitter.com
Find a broken #IPv6 routing between @TMobile_CZE@twitter.com and @Cloudflare@twitter.com. :-(
(Already reported to Cloudflare, not sure if they can ask someone at TMCZ to have this fixed in a reasonable timeframe... Reported to TMCZ SMC/NOC too.)
RT @ripencc@twitter.com
Get an overview of the most relevant IPv6 security topics, related to the fundamentals of the IPv6 protocol in this two hour online learning session tomorrow. There are still a few places available. #security #ipv6
Register at:
https://lirportal.ripe.net/training/register/courseCode/IPS20200005
RT @ripencc@twitter.com
#Getcertified for your #IPv6 expertise. Our new exam 'IPv6 Fundamentals - Analyst' is live and can now be scheduled. For more details, go to:
https://www.ripe.net/support/certified-professionals/ipv6-fundamentals-analyst-exam
RT @UKIPv6Council@twitter.com
Google are close to having an IPv6-only guest network deployed - https://www.ietf.org/proceedings/interim-2020-v6ops-01/slides/slides-interim-2020-v6ops-01-sessa-the-day-i-broke-all-the-treadmills-google-ipv6-only-deployment-00 #IPv6
🐦🔗: https://twitter.com/UKIPv6Council/status/1287677609795637248
- Personal website
- https://ondřej.caletka.cz
Technical expert at RIPE NCC Learning and Development. Interested in open source software, the Internet and public transportation.
Joined Mar 2019
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