6–16 MULTILINK ML3000 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL
ACCESS CONSIDERATIONS CHAPTER 6: ACCESS CONSIDERATIONS
• D (debug, severity level 3) is reserved for GE Multilin internal diagnostic information
•
C (critical, severity level 4) indicates that a severe switch error has occurred.
•
F (fatal, severity level 5) indicates that a service has behaved unexpectedly.
6.3.3 Authorized Managers
Just as port security allows and disallows specific MAC addresses from accessing a
network, the EnerVista Secure Web Management software can allow or block specific IP
addresses or a range of IP addresses to access the switch.
Access this functionality via the Configuration > Access > IP Access
menu item.
The window above show the authorized access list for managing the switch. Note specific
services can be authorized. Also note that individual stations or a group of stations with IP
addresses can be authorized.
Note
It is assumed that users are familiar with IP addressing schemes (e.g. class A, B, C etc.),
subnet masking and masking issues such as how many stations are allowed for a given
subnet mask.
In the following example, any computer on 10.10.10.0 sub network is allowed (note how
the subnet mask is used to indicate that). Also, a specific station with IP address
192.168.15.25 is allowed (again note how the subnet mask is used to allow only one
specific station in the network) and an older station with IP address 192.168.15.15 is
removed.
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