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Early Vid: All-In-One Dial-up ISP Box

🕑 Added 2025-01-30 02:37:06 +0000 UTC

Comments

Eric

Little slow on the draw here; Youtube comments already got you `no ip domain-lookup` to stop typos from being interpreted as DNS lookups. Additionally, `log synchronous` under your line settings will stop the log output from clobbering your input. Basically it prints a carriage return and reprints what you were doing when it interrupts you. Never really figured out why that wouldn't be default... Also whenever you get stuck in something like a DNS lookup or a ping you want out of, you can also do control + terminal break sequence. I usually interact with it as control-shift-6 but YMMV. Cisco does have documentation, but godspeed: https://www.cisco.com/c/en/us/support/docs/routers/10000-series-routers/12818-61.html#toc-hId--1355847008

John Bailey

Cisco loves to use FPGA's on their cards instead of designing ASICs, *especially* when it means they can avoid buying specialized chips from other vendors. Sometimes they do it because they can get better performance but it feels like it's usually to avoid one cost in favor of another. In the case of the Token Ring module, the FPGA's are likely doing all the heavy lifting that the IBM chips are doing on the other devices.

Martin Paulsen

You're making it real hard not to want my own dial-up ISP. Maybe I should start by looking for an ATA.

Matthew Recchia

The Xilinx Spartan is a FPGA (Field Programmable Grid Array). Nothing specifically to do with token ring, just a black box of circuits that can be repeatedly programmed in hardware languages like VHDL to perform digital logic with better performance than code on a general purpose CPU. Someone smarter than me can probably elaborate on what it might be doing on that card.

clabretro

ahh that makes perfect sense

John Bailey

The "fake" module slot is there because there were a very few double-wide modules for voice stuff. Similar to how there were some double-wide WIC and HWIC cards.