>I would very much like to hear more about Xyplex, or any other
>router for that matter, that offered a finer granualarity of
>packet level filtering.
The Livingston IRX routers do very well on filter design;
you can block based on source or destination port, for all
or a specified block of hosts, for all traffic, or by
protocol (TCP/UDP/ICMP).
Disadvantages include a maximum of 4 ports on existing models
(2-T1 and 2-56k) and a noticable slowdown as the rules sets
get more complex. There's a AMD 486-40 on the board but
they're apparently only running at 25 MHz, and the filter
rules seem to eat up CPU. Livingston is making sounds like
this will be improved on the next model.
All in all a very useful little box. They do fine in mixed
Frame Relay / leased line environments and have all the bells
and whistles for remote administration.
-george william herbert
System & Network Administrator, CRL Network Services
gh @
crl .
com Speaking only for myself
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