For three days. Then they stopped. Re-started OK, still running now,
but...
OK, and finally in desperation we put together an NT4 box and put the
NT beta of Radius 2 up and that's running fine. At the moment.
We have about 2000 users definde in the Users table, most are "single
user" dial-up accounts (It's an ISP application) some are
"lan-to-lan" entries.
We use Radiusd -b on Build-DBM'ed user files.
The servers vary from an over-loaded 486 with 16Mb ram which was the
one that ran for months, to a P75 with 48Mb ram and a clean new 3.2Gb
disk, which was the "ground-up" lifesaver which turned out only to
work for two days!
The clients are two only PortMaster 3 units, and the bulk of the load
is from only one of them.
Some of the Radius servers (like the 486 original) are located in the
same rack as the PM3s, some (like the ground-up box) are at the end
of a 64k link (bridged).
The only time-related event I can bring to mind is just before we
started having problems, we upgraded the busy PM3 to 3.7.2 and
swapped in 50 k56 modems. Thought the less-busy unit had been on
3.7.2. for a couple of months.
I also note a *lot* of entries in the Radius log indicating that from
the busy PM3 a user called <random garbage> had been rejected, with a
variety of lengths and types of garbage. I also note these requests
tended to come in threes.
It occurred to me these might be fake-sourced bogus requests, but
that seems unlikely since the ground-up machine started getting them
within *seconds* of going live, though it was set up on a brand new
untouched IP address, I'd only just done the "set" command on teh PM3
to bring it into service, so I'm pretty sure these requests come from
the PM3 itself. I can't see (SH SESS, etc) any possible candidate for
someone dialling in and sending multiple bogus requests.
But we *can't* survive if our Radius servers keep dying. This is
really quite urgent, chaps, any input at all seriously appreciated!
Chris Comley
Wizards Limited. |Astra Internet plc
Networking, Storage, |Internet services,
and Wide Area Networking |dial up, ISDN, leased line, etc
01494 837515 |
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