Nov. 26th, 2004

cellio: (star)
Micha Berger, who some may know from soc.culture.jewish, the OCR mailing list, AishDas, and other Jewish places on the net, now has a blog that I've syndicated at [livejournal.com profile] aspaqlaria. For calibration, some of what he writes seems to be too advanced for me but enough isn't that I'm reading. Those of you whose learning is way ahead of mine may find this interesting, and others may as well. Feel free to spread the word to those who might be interested; I don't think I'll post this one to [livejournal.com profile] syn_promo because it's really specialized.

(I find Micha to be an interesting correspondent, though we've fallen somewhat out of touch over the years. I spent a fascinating Shabbat with his family once, and I can say he's pretty nifty in person too.)
cellio: (avatar-face)
The fine folks at Telerama lent us a modem with which to test. (We've been having random short-term network lossage.) The test modem, however, is unhappy in new and novel ways.

With the test modem, pings and SSH connections get through just fine, but web browsing isn't happening. (I saw one page get to "transferring..." before failing, but most sites timed out at "resolving host". Reminder: other uses of name service were fine.) I cleared the cache and restarted the browser, which didn't make a difference. Dani reported the same behavior with a different browser on a different machine. Restoring the original modem made the problem go away.

So that was oddity #1. Oddity #2 presented itself when I picked up the phone to call tech support about oddity #1 -- and found a very noisy line. After switching to my cell phone, I talked to someone who suggested that the noise is due to a lack of filtering on the phone line and he has no clue why the selective network service would be happening. But the old modem doesn't produce noise on the line, and all I did was swap the cables to the new modem and turn it on. I definitely didn't change any configuration on our phone lines.

Could it be that some modems have this filtering built-in and others don't? That seems weird to me, as the person I talked to seemed to be saying that the filtering has to be done to all jacks, and I certainly got the noise on a different jack than the one supporting the modem (which is consistent with that). I know that BellAtlantic came in and did something to our phone line before installing DSL 5+ years ago, but it was a change at the box and not at the jacks.

Both modems are Westell, though of different vintages.

I am now officially perplexed.

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