7-9
Using Authorized IP Managers
Building IP Masks
For web-based help on how to use the web browser interface screen, click on
the
button provided on the web browser screen.
Building IP Masks
The IP Mask parameter controls how the switch uses an Authorized Manager
IP value to recognize the IP addresses of authorized manager stations on your
network.
Configuring One Station Per Authorized Manager IP
Entry
This is the easiest way to apply a mask. If you have ten or fewer management
and/or operator stations, you can configure them quickly by simply adding the
address of each to the Authorized Manager IP list with 255.255.255.255 for the
corresponding mask. For example, as shown in figure 7-3 on page 7-6, if you
configure an IP address of 10.28.227.125 with an IP mask of 255.255.255.255, only
a station having an IP address of 10.28.227.125 has management access to the
switch.
Figure 7-4. Analysis of IP Mask for Single-Station Entries
1st
Octet
2nd
Octet
3rd
Octet
4th
Octet
Manager-Level or Operator-Level Device Access
IP Mask 255 255 255 255 The “255” in each octet of the mask specifies that only the exact value in
that octet of the corresponding IP address is allowed. This mask allows
management access only to a station having an IP address of 10.33.248.5.
Authorized
Manager IP
10 28 227 125
!FishSecurity.book Page 9 Thursday, October 10, 2002 9:19 PM
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