Tom Strickx
@ecmp.network
Bringing you regular network related snark.
Principal Engineer. I min/maxed wisdom/speech.
🇧🇪 in 🇬🇧
Principal Engineer. I min/maxed wisdom/speech.
🇧🇪 in 🇬🇧
Reposted by Tom Strickx
A BGP “zombie” is essentially a fancy name for a route that has become stuck in the Default-Free Zone (DFZ) of the Internet. In this post, we'll walk through riskier situations and recommended fixes. https://cfl.re/47yQOdU
BGP zombies and excessive path hunting
A BGP “zombie” is essentially a fancy name for a route that has become stuck in the Default-Free Zone (DFZ) of the Internet, potentially due to a missed or lost prefix withdrawal.
In this post, we w...
cfl.re
October 31, 2025 at 6:17 PM
A BGP “zombie” is essentially a fancy name for a route that has become stuck in the Default-Free Zone (DFZ) of the Internet. In this post, we'll walk through riskier situations and recommended fixes. https://cfl.re/47yQOdU
I'd be lying if I said I wasn't a prideful person. But I get my pride from odd places
Such as getting the steno team at #RIPE91 to type "oopsy whoopsy fucky wucky" without blinking.
And yes IPTables was an oopsy whoopsy fucking mistake.
Such as getting the steno team at #RIPE91 to type "oopsy whoopsy fucky wucky" without blinking.
And yes IPTables was an oopsy whoopsy fucking mistake.
October 24, 2025 at 9:21 PM
I'd be lying if I said I wasn't a prideful person. But I get my pride from odd places
Such as getting the steno team at #RIPE91 to type "oopsy whoopsy fucky wucky" without blinking.
And yes IPTables was an oopsy whoopsy fucking mistake.
Such as getting the steno team at #RIPE91 to type "oopsy whoopsy fucky wucky" without blinking.
And yes IPTables was an oopsy whoopsy fucking mistake.
Reposted by Tom Strickx
OpenBSD 7.8 is out! This release includes the result of a fantastic engineering effort: a multi-threaded version of rpki-client. man.openbsd.org/rpki-client
October 22, 2025 at 10:12 AM
OpenBSD 7.8 is out! This release includes the result of a fantastic engineering effort: a multi-threaded version of rpki-client. man.openbsd.org/rpki-client
October 20, 2025 at 11:33 AM
Reposted by Tom Strickx
At ~14:00 UTC, @VodafoneUK effectively dropped off the Internet, with traffic dropping to zero. No word from the provider on outage cause, and their network status checker page is currently unavailable.
radar.cloudflare.com/traffic/as53...
radar.cloudflare.com/routing/as53...
x.com/Independent/...
radar.cloudflare.com/traffic/as53...
radar.cloudflare.com/routing/as53...
x.com/Independent/...
October 13, 2025 at 2:55 PM
At ~14:00 UTC, @VodafoneUK effectively dropped off the Internet, with traffic dropping to zero. No word from the provider on outage cause, and their network status checker page is currently unavailable.
radar.cloudflare.com/traffic/as53...
radar.cloudflare.com/routing/as53...
x.com/Independent/...
radar.cloudflare.com/traffic/as53...
radar.cloudflare.com/routing/as53...
x.com/Independent/...
Reposted by Tom Strickx
Animation of an aspect of the Internet's routing system: RPKI manifest issuances throughout the day, a re-issuance makes the thingies ploink rightwards
September 27, 2025 at 10:51 PM
Animation of an aspect of the Internet's routing system: RPKI manifest issuances throughout the day, a re-issuance makes the thingies ploink rightwards
Reposted by Tom Strickx
🚨Check out my latest blog post for @kentik.bsky.social:
Cloudflare's DNS Downtime: Why BGP Hijacks Were Never to Blame
www.kentik.com/blog/cloudfl...
Cloudflare's DNS Downtime: Why BGP Hijacks Were Never to Blame
www.kentik.com/blog/cloudfl...
Cloudflare's DNS Downtime: Why BGP Hijacks Were Never to Blame
On July 14, Cloudflare’s popular public DNS service (known as 1.1.1.1) suffered an outage lasting over two hours. As rumors swirled about the cause, we were the first to push back on the theory that a...
www.kentik.com
July 31, 2025 at 4:52 PM
🚨Check out my latest blog post for @kentik.bsky.social:
Cloudflare's DNS Downtime: Why BGP Hijacks Were Never to Blame
www.kentik.com/blog/cloudfl...
Cloudflare's DNS Downtime: Why BGP Hijacks Were Never to Blame
www.kentik.com/blog/cloudfl...
This architecture needs more NAT gateway, right @quinnypig.com ?
June 12, 2025 at 6:54 PM
This architecture needs more NAT gateway, right @quinnypig.com ?
Hell yeah! @netldn.bsky.social is SO back
June 12, 2025 at 6:03 PM
Hell yeah! @netldn.bsky.social is SO back
Reposted by Tom Strickx
Good news, we've found a new home and will be back on 12th June, in "Henry's Den" downstairs at Finch's, Finsbury Square; a short walk from Moorgate, Old Street & Liverpool St
maps.app.goo.gl/9wDtEW18MZqY...
maps.app.goo.gl/9wDtEW18MZqY...
May 23, 2025 at 6:53 PM
Good news, we've found a new home and will be back on 12th June, in "Henry's Den" downstairs at Finch's, Finsbury Square; a short walk from Moorgate, Old Street & Liverpool St
maps.app.goo.gl/9wDtEW18MZqY...
maps.app.goo.gl/9wDtEW18MZqY...
Today in funny router bugs:
Junos will resolve ASCII characters to their decimal value in an as-path regex:
'show route aspath-regex .*;'
will show you all prefixes/paths originated from AS59, as ; is 59 in the ASCII table.
Junos will resolve ASCII characters to their decimal value in an as-path regex:
'show route aspath-regex .*;'
will show you all prefixes/paths originated from AS59, as ; is 59 in the ASCII table.
May 22, 2025 at 3:11 PM
Today in funny router bugs:
Junos will resolve ASCII characters to their decimal value in an as-path regex:
'show route aspath-regex .*;'
will show you all prefixes/paths originated from AS59, as ; is 59 in the ASCII table.
Junos will resolve ASCII characters to their decimal value in an as-path regex:
'show route aspath-regex .*;'
will show you all prefixes/paths originated from AS59, as ; is 59 in the ASCII table.
Reposted by Tom Strickx
RIP Nats? www.cncf.io/blog/2025/04...
Protecting NATS and the integrity of open source: CNCF’s commitment to the community
When a company contributes a project to the Cloud Native Computing Foundation (CNCF), it’s not just sharing code—it’s making a commitment to the open source community. It’s a pledge to uphold open…
www.cncf.io
April 24, 2025 at 4:35 PM
RIP Nats? www.cncf.io/blog/2025/04...
Reposted by Tom Strickx
I see 1000028 IPv4 prefixes. This is 240 more prefixes than 6 hours ago and 970 more than a week ago. 61.78% of prefixes are /24.
April 23, 2025 at 2:01 PM
I see 1000028 IPv4 prefixes. This is 240 more prefixes than 6 hours ago and 970 more than a week ago. 61.78% of prefixes are /24.
I have made it to the Holy Land. My pilgrimage is complete.
April 18, 2025 at 12:18 PM
I have made it to the Holy Land. My pilgrimage is complete.
Is there a way to make @bsky.app not save images to Camera, but to its own directory instead?
I don't need memes backed up to Google Photos
I don't need memes backed up to Google Photos
March 30, 2025 at 10:48 AM
Is there a way to make @bsky.app not save images to Camera, but to its own directory instead?
I don't need memes backed up to Google Photos
I don't need memes backed up to Google Photos
This feels like a bad hobby to get sucked into...
March 15, 2025 at 2:50 PM
This feels like a bad hobby to get sucked into...
Reposted by Tom Strickx
hi my name is aaron I’m an american immigrant in europe for a decade now and my singular obsession is building network infrastructure. can you point me to the nearest EU private equity fund soirée? my Italian bespoke suit is this messenger bag don’t worry
March 8, 2025 at 1:33 PM
hi my name is aaron I’m an american immigrant in europe for a decade now and my singular obsession is building network infrastructure. can you point me to the nearest EU private equity fund soirée? my Italian bespoke suit is this messenger bag don’t worry
Reposted by Tom Strickx
OTD 1986: #SunMicrosystems Initial Public Offering. Red Herring: drive.google.com/fil...
March 4, 2025 at 2:56 PM
OTD 1986: #SunMicrosystems Initial Public Offering. Red Herring: drive.google.com/fil...
Reposted by Tom Strickx
That reporter really looked at the president of a country being battered by an invading force and asked “but what was he wearing”
March 1, 2025 at 12:38 PM
That reporter really looked at the president of a country being battered by an invading force and asked “but what was he wearing”
Congrats on getting to space @tracketpacer.bsky.social !
January 16, 2025 at 11:43 AM
Congrats on getting to space @tracketpacer.bsky.social !
I feel this in my bones
Unfortunately as senior staff everything is now my job if nobody stands up to do it.
January 8, 2025 at 5:05 PM
I feel this in my bones
Bit preoccupied with anything not thinking sand this week.
January 7, 2025 at 12:24 PM
Bit preoccupied with anything not thinking sand this week.
Reposted by Tom Strickx
Both the New York Times and Washington Post obituaries for Jimmy Carter have joint bylines including writers who have been dead for years. The Guardian ran an obit with a single byline—and yes, the writer has been dead since 2021.
December 30, 2024 at 4:39 AM
Both the New York Times and Washington Post obituaries for Jimmy Carter have joint bylines including writers who have been dead for years. The Guardian ran an obit with a single byline—and yes, the writer has been dead since 2021.
Things I have learned to hate today: ARC.
Just. No. AND IT'S STILL NOT WORKING. Cable swapping time tomorrow I guess.
Just. No. AND IT'S STILL NOT WORKING. Cable swapping time tomorrow I guess.
December 15, 2024 at 7:55 PM
Things I have learned to hate today: ARC.
Just. No. AND IT'S STILL NOT WORKING. Cable swapping time tomorrow I guess.
Just. No. AND IT'S STILL NOT WORKING. Cable swapping time tomorrow I guess.