What to Do Next
Repeat the steps if you have multiple items that you want in effect at different times.
Applying an IPv4 ACL to a Terminal Line
You can use numbered ACLs to control access to one or more terminal lines. You cannot apply named ACLs
to lines. You must set identical restrictions on all the virtual terminal lines because a user can attempt to
connect to any of them.
Follow these steps to restrict incoming and outgoing connections between a virtual terminal line and the
addresses in an ACL:
SUMMARY STEPS
1.
enable
2.
configure terminal
3.
line [console | vty] line-number
4.
access-class access-list-number {in | out}
5.
end
6.
show running-config
7.
copy running-config startup-config
DETAILED STEPS
PurposeCommand or Action
Enables privileged EXEC mode. Enter your password if prompted.enable
Example:
Switch(config)# enable
Step 1
Enters the global configuration mode.configure terminal
Example:
Switch# configure terminal
Step 2
Identifies a specific line to configure, and enter in-line
configuration mode.
line [console | vty] line-number
Example:
Switch(config)# line console 0
Step 3
• console—Specifies the console terminal line. The console
port is DCE.
• vty—Specifies a virtual terminal for remote console access.
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
1202
How to Configure ACLs
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