Re: VZ FIOS and Intel TCP IPv6 Checksum Offload problems

2022-08-29 Thread Niels Bakker
* br...@2mbit.com (Brie) [Mon 29 Aug 2022, 19:38 CEST]: On 8/29/22 10:59 AM, Christopher Morrow wrote: Uhm, this includes various versions of the intel pro 1000 card... so that's a TON of gear, to include like lenovo laptops, for instance. I'd wager that this is super common in the field. The

Re: VZ FIOS and Intel TCP IPv6 Checksum Offload problems

2022-08-29 Thread Brie
On 8/29/22 10:59 AM, Christopher Morrow wrote: Uhm, this includes various versions of the intel pro 1000 card... so that's a TON of gear, to include like lenovo laptops, for instance. I'd wager that this is super common in the field. The PDF in the download says; "Products Affected: All 1gbe a

Re: VZ FIOS and Intel TCP IPv6 Checksum Offload problems

2022-08-29 Thread Christopher Morrow
On Mon, Aug 29, 2022 at 12:00 PM Sean Donelan wrote: > > On Sat, 27 Aug 2022, Michael Thomas wrote: > >> In some situations where a client machine is connected via some specific > >> Optical Network Terminals (ONTs), and data is appended after the packet > >> checksum, the network adapter can drop

Re: VZ FIOS and Intel TCP IPv6 Checksum Offload problems

2022-08-29 Thread Sean Donelan
On Sat, 27 Aug 2022, Michael Thomas wrote: In some situations where a client machine is connected via some specific Optical Network Terminals (ONTs), and data is appended after the packet checksum, the network adapter can drop receive packets when using TCP-IPv6 Checksum Offload for receive tra

Re: VZ FIOS and Intel TCP IPv6 Checksum Offload problems

2022-08-27 Thread William Herrin
On Sat, Aug 27, 2022 at 12:00 PM Sean Donelan wrote: > In some situations where a client machine is connected via some specific > Optical Network Terminals (ONTs), and data is appended after the packet > checksum, the network adapter can drop receive packets when using TCP-IPv6 > Checksum Offload

Re: VZ FIOS and Intel TCP IPv6 Checksum Offload problems

2022-08-27 Thread Michael Thomas
On 8/27/22 3:36 PM, Mel Beckman wrote: No. In fact, a lot of low-end Ethernet interfaces are completely implemented in interrupt-driven driver software that runs in the host OS (such as Windows). The only thing the hardware provides is the magnetically to transduce binary bit streams. Even

Re: VZ FIOS and Intel TCP IPv6 Checksum Offload problems

2022-08-27 Thread Mel Beckman
No. In fact, a lot of low-end Ethernet interfaces are completely implemented in interrupt-driven driver software that runs in the host OS (such as Windows). The only thing the hardware provides is the magnetically to transduce binary bit streams. Even MAC-address decode is in software, and as

Re: VZ FIOS and Intel TCP IPv6 Checksum Offload problems

2022-08-27 Thread Michael Thomas
On 8/27/22 12:00 PM, Sean Donelan wrote: Hopefully, my pain will help someone else. I've had sporadic Internet slowdowns and stuck networking since IPv6 was enabled on my FIOS ONT a few months ago. After too much troubleshooting, I found out some older Intel GbE ethernet cards have a IPv6

VZ FIOS and Intel TCP IPv6 Checksum Offload problems

2022-08-27 Thread Sean Donelan
Hopefully, my pain will help someone else. I've had sporadic Internet slowdowns and stuck networking since IPv6 was enabled on my FIOS ONT a few months ago. After too much troubleshooting, I found out some older Intel GbE ethernet cards have a IPv6 Checksum Offload incompatibility with certai