#FreeBSD folk - calling for your help!
Upgrading a server with broadcom NICs to 15.0-RELEASE causes VNET jails to stop resolving DNS names. Even trying direct drill freebsd.org fails. Can't even resolve local names.
Pinging IPs - fine. Just no DNS resolution.
Rolling back to 14.3 the jails work again.
Putting a different brand NIC in (i.e. Intel) also resolves the problem.
Seems to be a Broadcom only issue.
Fresh 15.0-RELEASE install has the same issue too.
I've had a forum discussion on the link below, where a lot of time was spent convincing people there's nothing wrong with my DNS servers
https://forums.freebsd.org/threads/broadcom-nic-leads-to-vnet-jails-being-unable-to-make-dns-requests.101534/#post-751758
Any help appreciated! (But I'm probably just going to buy some Intel NICs)
#BSD #RunBSD
Paul Wilde 
@paul@notnull.space
Husband Dog owner Cat owner (multiple) FOSS Enthusiast IT Professional Coffee, no milk, no sugar I've made some stuff like these things below: https://norgbackup.net - a borg and restic orchestration tool https://codeberg.org/pswilde/note - a simple pastebin (inspired by bin) https://codeberg.org/pswilde/nemini - a gemini server https://pswilde.codeberg.page/threadlogging_docs/threadlogging.html - threadlogging library for #Nim https://codeberg.org/pswilde/gts_emoji_importer - an emoji importer for GoToSocial https://codeberg.org/pswilde/fedi_auth - a basic fediverse authentication library for #Nim I've also made a cool website for wholesome responses to error codes. Check it out here: https://errors.notnull.space I make no apologies for using H2G2 puns. We apologise for the inconvenience.
notnull.space
Paul Wilde
@paul@notnull.space
Husband Dog owner Cat owner (multiple) FOSS Enthusiast IT Professional Coffee, no milk, no sugar I've made some stuff like these things below: https://norgbackup.net - a borg and restic orchestration tool https://codeberg.org/pswilde/note - a simple pastebin (inspired by bin) https://codeberg.org/pswilde/nemini - a gemini server https://pswilde.codeberg.page/threadlogging_docs/threadlogging.html - threadlogging library for #Nim https://codeberg.org/pswilde/gts_emoji_importer - an emoji importer for GoToSocial https://codeberg.org/pswilde/fedi_auth - a basic fediverse authentication library for #Nim I've also made a cool website for wholesome responses to error codes. Check it out here: https://errors.notnull.space I make no apologies for using H2G2 puns. We apologise for the inconvenience.
notnull.space
@paul@notnull.space
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Mar 26, 2026
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