Specifications

©
2002, David K. Z. Harris
33
Pg. 33
© 2002
David K. Z. Harris
Basic Architectures (#3)
Ø Combining a Console Server App
with Terminal Servers
² You can add multiple terminal servers
² You can mix terminal server
types/vendors
H
CC
TS
A 1 2 3 4
H H H
LAN
Async serial
session
CS
1
logging
This is the most versatile configuration, in our opinion. Again, security on the
internal network is not a concern in this model.
You can get more ports on a terminal server (TS) than you can practically add
to a console server (CS) host. And, you can add multiple terminal servers
around the network. All of the logging traffic travels from the terminal server
to the console server over the same LAN as the host communications and
everything else.
If you are using a switched ethernet network, you are already gaining some
practical protection from folks sniffing the console sessions.
The logging traffic from the terminal servers are fairly light, even from a large
number of busy hosts. Your mileage may vary, of course, as you increase the
amount of data that you are logging, and the number of terminal servers that
are added around the network. (This traffic is normally contained with the
Console Server when you are using built-in serial ports only, instead of
terminal servers.)