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In in the present day’s article, I will shortly inform you concerning the Cisco IOS International configuration command named “access-list remark“.
CCNA’s (such as you) use the “access-list remark” command to put in writing a useful remark (comment) for an entry in a numbered IP entry checklist.
Be aware: The remark (comment) will be as much as 100 characters lengthy; and any remark (comment) that’s longer than 100 characters can be truncated.
Under is the command’s syntax:
access-list access-list-number comment comment
As you’ll be able to see, the command makes use of the access-list-number and comment arguments.
access-list-number – This argument is used to point the variety of an IP entry checklist.
comment – And, this argument is the precise remark (comment) that describes the entry checklist entry. (Bear in mind the remark (comment) has a restrict of 100 characters)
Under is an instance of the command getting used:
Router>allow
Router#configure terminal
Router(config)#access-list 1 comment Solely enable the abc workstation to get by means of
Router(config)#access-list 1 allow 172.69.2.98
Router(config)#access-list 1 comment Don’t enable the xyz workstation to get by means of
Router(config)#access-list 1 deny 172.69.3.14
Router(config)#exit
Router#copy run begin
Within the instance above, the workstation on the abc community that has the IP deal with 172.69.2.98 will be capable to get its IP visitors by means of; however, the workstation that’s on the xyz community that has the IP deal with 172.69.3.14 is not going to.
As you’ll be able to clearly see, the access-list comment statements are commenting on the ACL habits.
And, like with largely all Cisco IOS instructions; you need to use the phrase “no” in entrance of the command to take away (disable) the configured command; such as you see beneath:
Router(config)#no access-list 1 comment
By the way in which, in the event you resolve to make use of the command, be certain your router(s) is operating Cisco IOS 12.0(2)T or greater.
I hope this text was very informative and helped you shortly perceive the utilization of the access-list comment command. If you have to study extra; I counsel you go to my web site, had been you may discover the most recent info relating to the Cisco CCNA (640-553) Safety examination methods.
To your success,
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