3Com 4210 PWR Configuration Manual page 64

62 C 2: L
HAPTER OGGING INTO AN
Configuration Example
Controlling Network
Management Users by
Source IP Addresses
E S
THERNET WITCH
Table 32 Control Telnet users by source MAC addresses
Operation
Enter user interface user-interface [ type ]
view first-number [ last-number ]
Apply the ACL to acl acl-number inbound
control Telnet users by
specified source MAC
addresses
Network requirements
Only the Telnet users sourced from the IP address of 10.110.100.52 are permitted
to access the switch.
Network diagram
Figure 26 Network diagram for controlling Telnet users using ACLs
Internet
Switch
Configuration procedure
# Define a basic ACL.
<4210> system-view
[4210] acl number 2000
[4210-acl-basic-2000] rule 1 permit source 10.110.100.52 0
[4210-acl-basic-2000] quit
# Apply the ACL.
[4210] user-interface vty 0 4
[4210-ui-vty0-4] acl 2000 inbound
You can manage a Switch 4210 through network management software. Network
management users can access switches through SNMP.
You need to perform the following two operations to control network
management users by source IP addresses.
Defining an ACL
■
Applying the ACL to control users accessing the switch through SNMP
■
Command
PC
10.110.100.52
Description
-
Required
By default, no ACL is applied for
Telnet users.