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CHAPTER 6: ACCESS CONSIDERATIONS ACCESS CONSIDERATIONS
MULTILINK ML2400 ETHERNET COMMUNICATIONS SWITCH – INSTRUCTION MANUAL 6–11
Note
It is assumed here that the user is 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 Example 6-7, any computer on 3.94.245.10 network is allowed (note how the subnet
mask indicates this). Also, a specific station with IP address 3.94.245.25 is allowed (again
note how the subnet mask is used). An older station with IP address 3.94.245.15 is
removed.
Example 6-7: Allowing/blocking specific IP addresses
ML2400#
access
ML2400(access)##
allow ip=3.94.245.10 mask=255.255.255.0 service=
t
Service(s) allowed for specified address
ML2400(access)## allow ip=3.94.245.25 mask=255.255.255.255 servic
e
Service(s) allowed for specified address
ML2400(access)## remove ip=3.94.245.15 mask=255.255.255.255
Access entry removed
ML2400(access)## exit
ML2400#
show ip-access
============================================================
IP Address | Mask | Telnet | Web | SNMP |
============================================================
3.94.245.10 255.255.255.0 ALLOWED DENIED DENIED
3.94.245.25 255.255.255.255 ALLOWED DENIED DENIED