Become a Patron to see this content
Categories
Author: j2sw
Unlock with Patreon
Categories
Data Center Tiers
Tier 1 = Non-redundant capacity components. things such as power have single feeds.
99.671% Uptime
no redundancy
28.8 Hours of downtime per year.
Tier 2 = Tier 1 + Redundant capacity components.
99.749% Uptime
Partial redundancy in power and cooling
Experience 22 hours of downtime per year
Tier 3 = Dual-powered equipment and feeds for power, cooling, and essential services.
99.982% uptime (Tier 3 uptime)
No more than 1.6 hours of downtime per year
N+1 fault tolerant providing at least 72-hour power outage protection
Tier 4 = All components are fully fault-tolerant including uplinks, storage, chillers, HVAC systems, servers etc. Everything is dual-powered.
9.995% uptime per year (Tier 4 uptime)
2N+1 fully redundant infrastructure (the main difference between tier 3 and tier 4 data centers)
96-hour power outage protection
26.3 minutes of annual downtime.
If you want to read up on the N redundancies. https://en.wikipedia.org/wiki/N%2B1_redundancy
Categories
Mikrotik Vulnerability
On February 2 a CVE issue was published, describing a vulnerability, which allows to proxy a TCP/UDP request through the routers Winbox port if it’s open to the internet.
A fix has already been released on February 11, 2019 in all RouterOS release channels. Please keep your device up to date, and protect Winbox port from untrusted networks.
More information:
https://blog.mikrotik.com/security/cve-20193924-dude-agent-vulnerability.html
Categories
IPV6 point-to-point subnets
Become a Patron to see this content
WISPA is pleased to announce that Federal Communications Commissioner Brendan Carr will deliver the keynote address at WISPAmerica, on March 20th. Carr was recently reconfirmed by the U.S. Senate to a full, five-year term at the FCC, having previously served a partial term. Carr is a champion of rural broadband who has met frequently with WISPA representatives and has visited WISPA member facilities. He is also a leader of efforts to improve the United States’ internet infrastructure and reduce regulatory burdens. He is knowledgeable on the full range of telecom policy issues, especially wireless, public safety, competition and international issues.
The folks over at ISP supplies put out a blog post a couple months ago.
Recently (today) updated the database of IP addresses by Country to generate MikroTik IP Address Lists by country. Check it out!
UPDATE: 12/31/18 With the help of Google, I wrote a bash script to automatically update the lists daily!
https://blog.ispsupplies.com/update-block-countries-based-on-ip-addresses-and-networks/
Categories
Fcc from 477 Extended
Form 477: The FCC has extended the deadline for filing Form 477 until March 8, 2019 to report data as of December 31, 2018. Here is a link to the FCC’s Public Notice announcing the extension: http://www.berrybest.com/relay14.asp?df=013119&pf=DA-19-33A1.pdf
According to the Public Notice, the filing portal is open and is accepting Form 477.
It’s official. Day 1, last presentation of the day. https://mum.mikrotik.com/2019/US/info/EN
Categories
Podcasts are listed on iTunes now
https://itunes.apple.com/us/podcast/podcast-mtin-consulting/id1452750816
Subscribe now. Google coming soon.
You must be logged in to post a comment.