Linuxulator & UDP & PowerWare LanSafe III

[Daniel O'Connor]

On Thu, 26 May 2005 18:34, Igor Robul wrote:
> They use UDP for communications.
> If I try connect to ls3 (daemon) which is running on FreeBSD 5.4-STABLE,
> then I get message about timeout from client part (ls3con).
> I see UDP packets from client to server with tcpdump on lo0 interface
> (with local client) or on fxp0 interface with remote client. But server
> start responding after 30-50 seconds. ls3con does not see server
> responses and gives error message about timeout. With command line
> client it IS possible sometime connect to server if I start client after
> error message, and if client uses same local UDP port as before, then it
> gets _previous_ server response. Then they estabilish TCP connection and
> all works OK.
>
> With FreeBSD 4.X there are no any timeouts, server responds fast enought
> for client to see response. To be sure I have tried this with
> server in remote office, which I have not upgraded yet.

I can't really suggest anything except for compating version of linux_base you 
are using. It may be worth ktrace'ing the server (use the linux_kdump port to 
interpret the result)

Also perhaps you should consider trying to use NUT with the UPS (since it's 
open source)

-- 
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum
GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C
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