At 9:14 PM -0800 2002/12/13, Jimi Thompson wrote:
We ran into this problem in '96, when I was working at AOL. We had a guy in California who wanted to send e-mail to his friend across the hall, but of course those packets had to traverse the country to be delivered to our servers in Virginia. We went back and forth a few times, and I even set up tcpdump on the particular machine I told him to connect directly to -- I could see his packets coming in, but our responses were never received.With the increasing complexity of the internet, this is often a problem for those who have large internal networks and/or live in Australia. 30 hops often isn't enough to make to the core DNS. It probably ought to be extended to something more realistic. The other numbers that I've seen used 64, 128, and 256.
Turns out that, by a quirk of routing fate, he was something like 32 hops away, and while his OS was fine, our particular patch revision of HP-UX 9 was hard-coded at 30. We applied a later patch to the machines, and everything went back to normal.
This is not a new problem. Unfortunately, many OSes may still have inappropriate values defined.
--
Brad Knowles, <[EMAIL PROTECTED]>
"They that can give up essential liberty to obtain a little temporary
safety deserve neither liberty nor safety."
-Benjamin Franklin, Historical Review of Pennsylvania.
GCS/IT d+(-) s:+(++)>: a C++(+++)$ UMBSHI++++$ P+>++ L+ !E-(---) W+++(--) N+
!w--- O- M++ V PS++(+++) PE- Y+(++) PGP>+++ t+(+++) 5++(+++) X++(+++) R+(+++)
tv+(+++) b+(++++) DI+(++++) D+(++) G+(++++) e++>++++ h--- r---(+++)* z(+++)
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